| CURRIE, Nicholas Michael ACTIVE | Secretary | 21 Jun 2016 | | | | Midcity Place, 71 High Holborn, London, WC1V 6BA |
| USHER, Guy ACTIVE | Secretary | 31 Mar 2004 | | | | Midcity Place, 71 High Holborn, London, WC1V 6BA |
| AZUMA, Kenji, Mr. ACTIVE | Director | 03 Aug 2026 | | Japan | September 1974 | Midcity Place, 71 High Holborn, London, WC1V 6BA |
| KII, Yutaro ACTIVE | Director | 10 Aug 2023 | | England | August 1985 | Midcity Place, 71 High Holborn, London, WC1V 6BA |
| MARUTA, Kiyomi ACTIVE | Director | 12 Aug 2024 | | England | March 1971 | Midcity Place, 71 High Holborn, London, WC1V 6BA |
| PRATT, Martin Joel ACTIVE | Director | 02 Jan 2007 | | England | July 1972 | Midcity Place, 71 High Holborn, London, WC1V 6BA |
| SMILLIE, John William ACTIVE | Director | 20 Dec 2018 | | England | March 1952 | Midcity Place, 71 High Holborn, London, WC1V 6BA |
| YAMAZAKI, Hideaki ACTIVE | Director | 03 Nov 2025 | | Japan | September 1972 | Midcity Place, 71 High Holborn, London, WC1V 6BA |
| HAYNES, Simon Laurence RESIGNED | Secretary | 01 Feb 2002 | 21 Jun 2016 | | | Midcity Place, 71 High Holborn, London, WC1V 6BA |
| WATTS, Edmund Thomas RESIGNED | Secretary | | 31 Jan 2002 | | | 25 Dartford Road, Bexley, Kent, DA5 2AY |
| WILSON, John Allan RESIGNED | Secretary | 01 Feb 2002 | 31 Mar 2004 | | | Flat 34, 88 Portland Drive, London, W1B 1NX |
| AIBA, Tetsuya RESIGNED | Director | 01 Jun 2011 | 01 Apr 2013 | England | May 1960 | Midcity Place, 71 High Holborn, London, WC1V 6BA |
| AKAI, Takuo RESIGNED | Director | 22 Mar 1994 | 04 Jan 2000 | | November 1953 | C/O Triland Usa Inc, 17th Floor, 520 Madison Avenue, New York, NY10022, Usa |
| BOND, Christopher Michael RESIGNED | Director | 30 Apr 2016 | 31 Mar 2020 | England | June 1943 | Midcity Place, 71 High Holborn, London, WC1V 6BA |
| DAVIES, Kenneth Christopher RESIGNED | Director | 01 Dec 1992 | 16 Mar 2001 | | December 1943 | Dux Barn, Dux Lane Plaxtol, Sevenoaks, Kent, TN15 0RB |
| DICKSON, Ian Charles RESIGNED | Director | | 31 Jan 1998 | | October 1922 | 16 Hill Road, Swanage, Dorset, BH19 1RH |
| ENOMOTO, Yoshikazu RESIGNED | Director | 10 Dec 2002 | 01 Apr 2009 | | August 1960 | 27 Pine Grove, London, SW19 7HD |
| HAILS, Harry Walter RESIGNED | Director | | 31 Jan 1998 | | October 1929 | 6 Henry Road, London, N4 2LH |
| HANAOKA, Takaaki RESIGNED | Director | 27 Nov 1996 | 10 Sep 2001 | United Kingdom | January 1947 | 6 Beverley Close, Epsom, Surrey, KT17 3HB |
| HAYAKAWA, Hiroyuki RESIGNED | Director | 18 Apr 2019 | 31 Mar 2020 | England | February 1975 | Midcity Place, 71 High Holborn, London, WC1V 6BA |
| HAYASHI, Haruki RESIGNED | Director | 01 Apr 2013 | 31 Mar 2018 | England | March 1956 | Midcity Place, 71 High Holborn, London, WC1V 6BA |
| IHARA, Tsuyoshi RESIGNED | Director | 11 Jul 2022 | 27 Feb 2023 | Japan | July 1968 | Midcity Place, 71 High Holborn, London, WC1V 6BA |
| INAMOTO, Toshihiko RESIGNED | Director | 10 Dec 2002 | 01 Apr 2006 | | January 1954 | 3-18-16-104 Kamiyoga, Setagaya, Tokyo, 158-0098, FOREIGN, Japan |
| ISHIKAWA, Kazuma, Mr. RESIGNED | Director | 01 Apr 2009 | 01 Oct 2011 | England | October 1961 | Midcity Place, 71 High Holborn, London, WC1V 6BA |
| ITO, Kazuo RESIGNED | Director | 21 May 2008 | 01 Apr 2011 | United Kingdom | January 1961 | Flat 80 Lexington Apartments, 40 City Road, London, EC1Y 2AN |
| IWAI, Satoshi RESIGNED | Director | 01 Apr 2013 | 01 Apr 2015 | England | August 1963 | Midcity Place, 71 High Holborn, London, WC1V 6BA |
| IWAMOTO, Kiyoshi RESIGNED | Director | | 30 Jun 1993 | | July 1944 | 46 Cottenham Park Road, London, SW20 0SA |
| KAKU, Tsuneaki RESIGNED | Director | 10 Jul 1992 | 15 Jun 1995 | | August 1931 | Brampton Byron Drive, The Bishops Avenue, London, N2 0BD |
| KANNO, Kentaro RESIGNED | Director | 21 Feb 2024 | 31 Jan 2025 | Japan | September 1974 | Midcity Place, 71 High Holborn, London, WC1V 6BA |
| KANO, Isao RESIGNED | Director | 10 Oct 2016 | 31 Mar 2020 | England | August 1960 | Midcity Place, 71 High Holborn, London, WC1V 6BA |
| KATAYAMA, Jiro RESIGNED | Director | 18 Apr 2019 | 31 May 2023 | England | July 1980 | Midcity Place, 71 High Holborn, London, WC1V 6BA |
| KAWAKAMI, Kazuyoshi RESIGNED | Director | 15 May 2017 | 18 Apr 2019 | United Kingdom | June 1969 | Midcity Place, 71 High Holborn, London, WC1V 6BA |
| KAWASAKI, Hideaki RESIGNED | Director | | 19 Sep 1995 | | January 1949 | 30 Parkside, London, SW19 5NB |
| KEBAYASHI, Nebuo RESIGNED | Director | | 10 Jul 1992 | | February 1929 | Brampton Byron Drive, The Bishops Avenue, London, N2 0BD |
| KIJIMA, Tsunao RESIGNED | Director | 01 Apr 2006 | 01 Apr 2009 | | May 1948 | 105 Carrington House, 6 Hereford Street, London, W1J 7RG |
| KOBAYASHI, Ken RESIGNED | Director | 24 Sep 1999 | 10 Dec 2002 | | October 1947 | 1004-19-3 Kamiosaki 2 Chome, Shinagawaku, Tokyo 141-0021, FOREIGN, Japan |
| KOHLI, Vineet RESIGNED | Director | 10 Dec 2018 | 31 Mar 2020 | Singapore | October 1971 | Midcity Place, 71 High Holborn, London, WC1V 6BA |
| KOMURO, Itaru RESIGNED | Director | 30 Apr 1998 | 29 Dec 1998 | | October 1946 | 2 Carlton Mews 37 Arterberry Road, Wimbledon, London, SW20 8AG |
| KUMANO, Shigeru RESIGNED | Director | 20 Aug 2010 | 01 Sep 2013 | England | April 1970 | Midcity Place, 71 High Holborn, London, WC1V 6BA |
| KUROSAWA, Akihiro, Mr. RESIGNED | Director | 01 Apr 2015 | 15 May 2017 | England | November 1966 | Midcity Place, 71 High Holborn, London, WC1V 6BA |
| MAEO, Kojiro RESIGNED | Director | 18 Apr 2019 | 03 Mar 2023 | England | January 1968 | Midcity Place, 71 High Holborn, London, WC1V 6BA |
| MAKIHARA, Shuichi RESIGNED | Director | 19 Sep 1995 | 10 Dec 2002 | | March 1960 | 19 Circle Drive, Greenwich, Ct 06830, Usa |
| MASUDA, Tetsuro RESIGNED | Director | 15 Jun 1995 | 30 Apr 1998 | | March 1938 | Brampton Byron Drive, The Bishops Avenue, London, N2 0BD |
| MITA, Daiju RESIGNED | Director | 01 Apr 2013 | 01 Apr 2016 | Singapore | August 1962 | Midcity Place, 71 High Holborn, London, WC1V 6BA |
| MIYAJI, Masaki RESIGNED | Director | 10 Jun 2002 | 01 Apr 2004 | | March 1943 | 8 Chester Street, Belgravia, London, SW1X 7BB |
| MOCHIHARA, Takuro RESIGNED | Director | 30 Apr 1998 | 31 Mar 2000 | | March 1945 | 3-57-12 Sasazuka, Shibuya-Ku, Tokyo, FOREIGN, Japan |
| MORITA, Teppei RESIGNED | Director | 18 Apr 2019 | 16 Sep 2020 | England | June 1981 | Midcity Place, 71 High Holborn, London, WC1V 6BA |
| MURAKAMI, Yasuo RESIGNED | Director | 30 Apr 1998 | 01 May 2001 | | November 1948 | Flat 601 Blazer Court, 28a St Johns Wood Road, London, NW8 7JY |
| MURATA, Koichiro RESIGNED | Director | 01 Dec 2015 | 13 Sep 2019 | England | November 1966 | Midcity Place, 71 High Holborn, London, WC1V 6BA |
| NAGASE, Junya RESIGNED | Director | 19 Sep 2016 | 19 Aug 2019 | Japan | May 1963 | Midcity Place, 71 High Holborn, London, WC1V 6BA |
| NAGASE, Junya RESIGNED | Director | 21 Jun 2005 | 29 Nov 2007 | | May 1963 | 3-24-13 Mihama, Urayasu, Chiba 279-0011, Japan |
| NAGASHIMA, Takehito RESIGNED | Director | 24 Aug 2010 | 01 Apr 2011 | Japan | March 1976 | Midcity Place, 71 High Holborn, London, WC1V 6BA |
| NAKAGAWA, Hideki RESIGNED | Director | 21 Jun 2005 | 10 Jan 2013 | England | January 1960 | Midcity Place, 71 High Holborn, London, WC1V 6BA |
| NAKAHARA, Hideto RESIGNED | Director | 07 May 2002 | 01 Apr 2006 | | November 1950 | 105 Carrington House, 6 Hertford Street, London, W1J 7RG |
| NAKAIE, Yasutomo RESIGNED | Director | 01 Apr 2001 | 10 Dec 2002 | | June 1951 | 203 Imainishi-Machi, Nakahara-Ku, Kawasaki-City Kanagawa, Japan |
| NAKAMURA, Kenji RESIGNED | Director | 18 Apr 2019 | 21 Jun 2021 | Japan | September 1962 | Midcity Place, 71 High Holborn, London, WC1V 6BA |
| NAMBU, Toru, Mr. RESIGNED | Director | 01 Oct 2011 | 01 Apr 2015 | England | June 1958 | Midcity Place, 71 High Holborn, London, WC1V 6BA |
| NASU, Yasuyuki RESIGNED | Director | 01 Sep 2013 | 01 Dec 2015 | England | November 1963 | Midcity Place, 71 High Holborn, London, WC1V 6BA |
| NEMICHI, Hiroshi RESIGNED | Director | 30 Apr 1998 | 01 May 2001 | | January 1939 | 8 Chester Street, London, SW1X 7BB |
| NISHIMURA, Tomefumi RESIGNED | Director | | 24 Sep 1999 | | July 1942 | The White House 11 Burtenshaw Road, Thames Ditton, Surrey, KT7 0TP |
| NISHIURA, Kanji RESIGNED | Director | 01 Apr 2011 | 01 Apr 2013 | Japan | February 1958 | Midcity Place, 71 High Holborn, London, WC1V 6BA |
| NOMA, Osamu RESIGNED | Director | 28 Apr 2004 | 21 May 2008 | | September 1954 | Flat 9 Kensington Heights, 91-95 Campden Hill Road, London, W8 7BD |
| NOMURA, Hiroshi RESIGNED | Director | 29 Oct 2001 | 01 Apr 2004 | | August 1948 | Flat 5, 59 Onslow Garden, London, SW7 3QF |
| NUNOMURA, Hideo RESIGNED | Director | 30 Apr 1998 | 28 Oct 1998 | | March 1948 | 1-6-10 Hibarigaoka-Kita, Hoya-Shi, Tokyo, FOREIGN, Japan |
| OISHI, Hideo RESIGNED | Director | 26 Apr 2000 | 01 Apr 2001 | | December 1950 | 567-16 Nakamachi, Kodaira-Shi, Tokyo, 187-0042, FOREIGN, Japan |
| OKAZAKI, Hiroshi RESIGNED | Director | 09 Mar 2005 | 20 Aug 2010 | | October 1968 | Flat 72 Blair Court, 2 Boundary Road, London, NW8 6NT |
| OTA, Taiji RESIGNED | Director | 19 Aug 2019 | 05 Mar 2021 | England | March 1975 | Midcity Place, 71 High Holborn, London, WC1V 6BA |
| OTAGAKI, Yoshinobu RESIGNED | Director | 01 Jul 1994 | 30 Apr 1998 | | July 1947 | Tri Land Metals Ltd, Bowbells House Bread Street, London, EC4M 9BQ |
| POWNALL, David RESIGNED | Director | | 01 Dec 1992 | | April 1933 | 70 York Mansions, London, SW11 4BW |
| SAKAI, Toshiro RESIGNED | Director | 28 Apr 2015 | 05 Aug 2019 | Japan | January 1960 | Midcity Place, 71 High Holborn, London, WC1V 6BA |
| SAKAI, Toshiro RESIGNED | Director | 01 Jun 2006 | 21 Apr 2007 | | January 1960 | 3-35-34-201 Tamagawa, Setagaya-Ku, Tokyo, FOREIGN, Japan |
| SAKAMOTO, Yukimasa RESIGNED | Director | 30 Jun 1993 | 01 Sep 1996 | | March 1946 | C/O Bow Bells House, Bread Street, London |
| SAKURADA, Takeya RESIGNED | Director | 12 Apr 2010 | 01 Apr 2011 | Japan | October 1961 | Midcity Place, 71 High Holborn, London, WC1V 6BA |
| SCOTT, Henry John RESIGNED | Director | 01 Feb 1998 | 31 Aug 2000 | | June 1943 | St Nicholas Lodge Oak Avenue, Crays Hill, Billericay, Essex |
| SERI, Koichi RESIGNED | Director | 21 Jun 2021 | 27 Feb 2023 | Japan | August 1963 | Midcity Place, 71 High Holborn, London, WC1V 6BA |
| SHIBUYA, Fujio RESIGNED | Director | | 22 Mar 1994 | | April 1950 | Triland Metals Bread Street, London, EC4M 9BE |
| SHIMADA, Masashi RESIGNED | Director | 01 Apr 2007 | 01 Apr 2009 | | July 1953 | 27 Ranelagh House, Elystan Place, London, SW3 3LD |
| SHIOBARA, Keiichi RESIGNED | Director | 28 Nov 2018 | 04 Apr 2022 | Japan | January 1963 | Midcity Place, 71 High Holborn, London, WC1V 6BA |
| SHIOBARA, Keiichi RESIGNED | Director | 10 Jan 2013 | 19 Sep 2016 | England | January 1963 | Midcity Place, 71 High Holborn, London, WC1V 6BA |
| SHIOBARA, Keiichi RESIGNED | Director | 01 Apr 2009 | 01 Jan 2010 | | January 1963 | 2-10-13-506,, Takaido-Nishi,, Suginami-Ku, Tokyo, 168-0071, Japan |
| SHIRAKI, Hirokatsu RESIGNED | Director | 28 Oct 1998 | 24 Sep 1999 | | July 1951 | 3-31-8 Kyodo, Sekagaya-Ku, Tokyo, FOREIGN, Japan |
| STALEY, Brian James RESIGNED | Director | | 06 Sep 2006 | | April 1950 | Cotton Place, Cotton Row, Holmbury Saint Mary, Surrey, RH5 6NB |
| TAKAGI, Koichiro RESIGNED | Director | 21 Feb 2024 | 31 Jan 2025 | Japan | July 1970 | Midcity Place, 71 High Holborn, London, WC1V 6BA |
| TAKAGI, Koichiro RESIGNED | Director | 10 Oct 2016 | 08 Mar 2017 | Singapore | July 1970 | Midcity Place, 71 High Holborn, London, WC1V 6BA |
| TAKAGI, Koichiro RESIGNED | Director | 30 Nov 2007 | 01 Apr 2011 | Japan | July 1970 | 10-37 Shimorenjaku 2-Chome, Mitaka City, Tokyo 181-0013, FOREIGN, Japan |
| TAKAHASHI, Shinsuke RESIGNED | Director | 28 Nov 2018 | 18 Apr 2019 | Japan | August 1964 | Midcity Place, 71 High Holborn, London, WC1V 6BA |
| TAKASHIMA, Masayuki RESIGNED | Director | 01 May 2001 | 10 Jun 2002 | | May 1940 | 8 Chester Street, Belgravia, London, SW1X 7BB |
| TAKEUCHI, Hiroshi RESIGNED | Director | 29 Oct 2001 | 03 Jun 2005 | | November 1954 | 11 Blenheim Gardens, Kingston Upon Thames, Surrey, KT2 7BN |
| TAKI, Michio RESIGNED | Director | 01 May 2001 | 01 Mar 2002 | | April 1952 | 8 Chestnut Court, Penners Gardens, Surbiton, KT6 6LX |
| TANAKA, Norikazu RESIGNED | Director | 01 Jun 2011 | 01 Apr 2013 | Japan | February 1960 | Midcity Place, 71 High Holborn, London, WC1V 6BA |
| TANI, Kenji RESIGNED | Director | 01 Jan 2010 | 01 Apr 2011 | Japan | December 1954 | Midcity Place, 71 High Holborn, London, WC1V 6BA |
| TANNO, Choei, Mr. RESIGNED | Director | 05 Mar 2021 | 10 Nov 2023 | China | March 1969 | Midcity Place, 71 High Holborn, London, WC1V 6BA |
| TERADA, Tetsuro RESIGNED | Director | 16 Apr 2009 | 01 Apr 2013 | United Kingdom | May 1951 | Midcity Place, 71 High Holborn, London, WC1V 6BA |
| TOMITA, Kotaro RESIGNED | Director | 18 May 2022 | 10 Oct 2024 | England | December 1974 | Midcity Place, 71 High Holborn, London, WC1V 6BA |
| TOMITA, Kotaro RESIGNED | Director | 08 Mar 2017 | 31 Mar 2018 | Singapore | December 1974 | Midcity Place, 71 High Holborn, London, WC1V 6BA |
| TSUBONUMA, Noriyuki RESIGNED | Director | 01 Apr 2013 | 01 Apr 2016 | Japan | December 1959 | Midcity Place, 71 High Holborn, London, WC1V 6BA |
| WADA, Katsuaki RESIGNED | Director | 24 Sep 1999 | 29 Oct 2001 | | September 1944 | 27 Lakeview Court, Wimbledon Park Road, London, SW19 6PP |
| WADA, Katsuaki RESIGNED | Director | 01 Sep 1996 | 30 Apr 1998 | | September 1944 | 8-16-20-405, Kitrmi Setagay-Ku, Tokyo, 107, Japan |
| WADA, Katsuaki RESIGNED | Director | | 01 Jul 1994 | | September 1944 | 119 Copse Hill, Wimbledon, London, SW20 0NT |
| WATTS, Edmund Thomas RESIGNED | Director | 02 Feb 1998 | 31 Oct 2001 | | April 1947 | 25 Dartford Road, Bexley, Kent, DA5 2AY |