| KAWAKAMI, Daiki ACTIVE | Secretary | 07 Jan 2019 | | | | Octagon Point, 5 Cheapside, London, EC2V 6AA, England |
| FUJIWARA, Masakazu, Mr. ACTIVE | Director | 01 Oct 2024 | | United Kingdom | October 1968 | Octagon Point, 5 Cheapside, London, EC2V 6AA, England |
| HATANO, Seigo ACTIVE | Director | 01 May 2025 | | United Kingdom | July 1967 | Octagon Point, 5 Cheapside, London, EC2V 6AA, England |
| HIZUME, Kenichiro, Mr. ACTIVE | Director | 28 Jun 2023 | | Japan | November 1967 | Octagon Point, 5 Cheapside, London, EC2V 6AA, England |
| ISEKI, Takahiko, Mr. ACTIVE | Director | 16 Apr 2025 | | Japan | March 1967 | Octagon Point, 5 Cheapside, London, EC2V 6AA, England |
| HASEGAWA, Wataru RESIGNED | Secretary | 07 Mar 1994 | 03 Feb 1999 | | | 48 Shaftesbury Avenue, Kenton, Harrow, Middlesex, HA3 0QY |
| MATSUDA, Yukihiro RESIGNED | Secretary | 12 Aug 2005 | 31 Oct 2009 | | | 36 Howcroft Crescent, West Finchley, London, N3 1PB |
| NITTO, Toshihiro RESIGNED | Secretary | 03 Feb 1999 | 31 Aug 2002 | | | 16 Carisbrooke House, Courtlands, Richmond, Surrey, TW10 5AZ |
| OKA, Shunji RESIGNED | Secretary | 31 Aug 2002 | 12 Aug 2005 | | | Flat 31 Birley Lodge, 63 Acacia Road, London, NW8 6BJ |
| OKAMOTO, Sayako RESIGNED | Secretary | 16 Sep 2013 | 10 Mar 2017 | | | 125, Old Broad Street, London, EC2N 1AR, England |
| SHIRATORI, Tatsuya RESIGNED | Secretary | 10 Mar 2017 | 07 Jan 2019 | | | 125, Old Broad Street, London, EC2N 1AR |
| TANAKA, Shinji RESIGNED | Secretary | 30 Sep 2009 | 16 Sep 2013 | | | 220 Centennial Park, Centennial Avenue, Elstree, Hertfordshire, WD6 3SL |
| UENO, Tadashi RESIGNED | Secretary | | 07 Mar 1994 | | | 12 Eversley Avenue, Wembley, Middlesex, HA9 9JZ |
| FUJITSUKA, Minoru RESIGNED | Director | 01 Dec 2014 | 01 Dec 2016 | Germany | December 1961 | 125, Old Broad Street, London, EC2N 1AR, England |
| HAGANO, Ryo RESIGNED | Director | 10 Mar 2017 | 16 Oct 2020 | Italy | June 1968 | 125, Old Broad Street, London, EC2N 1AR |
| HASEGAWA, Wataru RESIGNED | Director | 07 Mar 1994 | 03 Feb 1999 | | March 1959 | 48 Shaftesbury Avenue, Kenton, Harrow, Middlesex, HA3 0QY |
| HINO, Hitoshi, Mr. RESIGNED | Director | 17 Sep 2021 | 18 Sep 2023 | Japan | November 1966 | Octagon Point, 5 Cheapside, London, EC2V 6AA, England |
| HOSOKAWA, Toyoaki RESIGNED | Director | 31 Jul 2001 | 31 Aug 2003 | | September 1950 | Room 306, 3-9 5 Banmachi, Nishinomiya, Hyogo, Japan |
| IKEUCHI, Masayuki RESIGNED | Director | 01 Dec 2014 | 09 Aug 2016 | England | March 1968 | 125, Old Broad Street, London, EC2N 1AR, England |
| INAYAMA, Hideaki RESIGNED | Director | 26 Jun 2008 | 27 Jun 2014 | Japan | March 1952 | 220 Centennial Park, Centennial Avenue, Elstree, Hertfordshire, WD6 3SL |
| INOUE, Kazunari RESIGNED | Director | 31 Jul 2001 | 31 Aug 2003 | | July 1970 | 10 Finchley Way, London, N3 1AG |
| ITO, Shin-Ichiro RESIGNED | Director | 15 Jul 1994 | 20 Jun 2001 | | January 1937 | 3-22-12 Momoyama-Dai, Suita, Osaka 565, Japan |
| KATO, Tomihisa RESIGNED | Director | 16 Oct 2013 | 16 Jan 2015 | England | December 1968 | 220 Centennial Park, Centennial Avenue, Elstree, Hertfordshire, WD6 3SL |
| KIMURA, Koji RESIGNED | Director | 01 Dec 2016 | 01 May 2025 | England | May 1969 | Octagon Point, 5 Cheapside, London, EC2V 6AA, England |
| KOBAYASHI, Nobuyuki, Mr. RESIGNED | Director | 14 Jun 2019 | 28 Jun 2023 | Japan | May 1961 | Octagon Point, 5 Cheapside, London, EC2V 6AA, England |
| MAEDA, Hirohisa RESIGNED | Director | 27 Jun 2007 | 16 Jan 2010 | Japan | January 1958 | 2 22 1 Tsukaguchicho, Amagasakishi, Hyogo, Japan |
| MATSUDA, Yukihiro RESIGNED | Director | 12 Aug 2005 | 31 Oct 2009 | United Kingdom | September 1964 | 36 Howcroft Crescent, West Finchley, London, N3 1PB |
| MITAKE, Shintaro RESIGNED | Director | 15 Jul 1994 | 29 Jun 2005 | | December 1945 | 1-12-3 Nigawa Takamura, Takarazuka, Hyogo 665, 662 |
| MITAKE, Shintaro RESIGNED | Director | | 16 Aug 1993 | | December 1945 | Nigawa Parkheim 302, 5-3-30 Nigawa Nishinomiya-Shi, Hyogo 662 |
| MIZUGUCHI, Masataka RESIGNED | Director | 19 Dec 2005 | 01 Nov 2006 | | January 1977 | 105 Elm Tree Court, Elm Tree Road, London, NW8 9JT |
| NAKAHORI, Satoru RESIGNED | Director | 31 Aug 2003 | 01 Aug 2005 | | April 1950 | 4-55-3 Keyaki Dai Sanda, Hyogo, Japan |
| NISHIMURA, Yoshiaki RESIGNED | Director | 29 Jun 2005 | 26 Jun 2008 | | March 1948 | Room 401, 3-31-206, Kamihamuro, Takatsukishi, Osaka, FOREIGN, Japan |
| NISHIYAMA, Tomohiro RESIGNED | Director | 01 Dec 2014 | 10 Mar 2017 | Italy | July 1962 | 125, Old Broad Street, London, EC2N 1AR, England |
| NITTO, Toshihiro RESIGNED | Director | 16 Jul 2007 | 16 Oct 2013 | United Kingdom | July 1959 | 220 Centennial Park, Centennial Avenue, Elstree, Hertfordshire, WD6 3SL |
| NITTO, Toshihiro RESIGNED | Director | 16 Jul 2007 | 16 Jul 2007 | United Kingdom | July 1959 | Haydon House Hotel, Haydon Street, Basford, Stoke On Trent, ST4 6JD |
| NITTO, Toshihiro RESIGNED | Director | 03 Feb 1999 | 31 Aug 2002 | | July 1959 | 16 Carisbrooke House, Courtlands, Richmond, Surrey, TW10 5AZ |
| NOGUCHI, Toru RESIGNED | Director | 01 Aug 2005 | 27 Jun 2007 | | February 1957 | 1-7-10-212, Esakacho, Suitashi, Osaka, FOREIGN, Japan |
| OKA, Shunji, Mr. RESIGNED | Director | 16 Apr 2016 | 21 Dec 2017 | Japan | March 1961 | 125, Old Broad Street, London, EC2N 1AR |
| OKA, Shunji RESIGNED | Director | 31 Aug 2002 | 12 Aug 2005 | | March 1961 | Flat 31 Birley Lodge, 63 Acacia Road, London, NW8 6BJ |
| SAITO, Takafumi RESIGNED | Director | 31 Jul 2000 | 31 Jul 2001 | | April 1950 | 6-2-3 Akasaka-Dai Sakai, Osaka, FOREIGN, Japan |
| SAKAI, Masaki, Mr. RESIGNED | Director | 18 Sep 2023 | 16 Apr 2025 | Japan | January 1963 | Octagon Point, 5 Cheapside, London, EC2V 6AA, England |
| SETO, Kenichiro RESIGNED | Director | 09 Aug 2016 | 13 Dec 2019 | United Kingdom | September 1962 | 125, Old Broad Street, London, EC2N 1AR |
| SHIMADA, Kenichi RESIGNED | Director | 25 Apr 2018 | 17 Sep 2021 | Japan | October 1964 | Octagon Point, 5 Cheapside, London, EC2V 6AA, England |
| SUGAYA, Mario RESIGNED | Director | | 31 Jul 2000 | | October 1947 | Drax Sandy Lane, Cobham, Surrey, KT11 2EL |
| TAKAGI, Katsuhide RESIGNED | Director | 13 Dec 2019 | 01 Oct 2024 | United Kingdom | August 1970 | Octagon Point, 5 Cheapside, London, EC2V 6AA, England |
| TAKAHASHI, Nobutoshi RESIGNED | Director | 16 Aug 1993 | 15 Jul 1994 | | March 1947 | 38-12-306, 1-Chome Izumi Suginami-Ku, Tokyo, 168, Japan |
| TANAKA, Shinji RESIGNED | Director | 30 Sep 2009 | 01 Apr 2014 | United Kingdom | February 1962 | 220 Centennial Park, Centennial Avenue, Elstree, Hertfordshire, WD6 3SL |
| TANI, Makoto RESIGNED | Director | 27 Jun 2014 | 14 Jun 2019 | Japan | May 1957 | 125, Old Broad Street, London, EC2N 1AR, England |
| TERAMOTO, Yukifumi RESIGNED | Director | 16 Jan 2010 | 16 Apr 2016 | Japan | February 1959 | 125, Old Broad Street, London, EC2N 1AR, England |
| UENO, Tadashi RESIGNED | Director | | 07 Mar 1994 | | September 1956 | 12 Eversley Avenue, Wembley, Middlesex, HA9 9JZ |
| YAMAMOTO, Kinya RESIGNED | Director | 31 Jul 2000 | 31 Jul 2001 | | June 1952 | 6 Vienna Place, Newcastle, Staffordshire, ST5 2QE |
| YAMAMOTO, Takashi RESIGNED | Director | 31 Aug 2003 | 17 Oct 2005 | | March 1972 | 25 Fursby Avenue, London, N3 1PJ |
| YOSHITSUGU, Keisuke RESIGNED | Director | 03 Mar 2014 | 03 Mar 2014 | England | November 1953 | 220 Centennial Park, Centennial Avenue, Elstree, Hertfordshire, WD6 3SL |
| YOSHITSUGU, Keisuke RESIGNED | Director | 01 Mar 2014 | 16 Mar 2018 | England | November 1953 | 125, Old Broad Street, London, EC2N 1AR, England |
| YOSHITSUGU, Keisuke RESIGNED | Director | 01 Nov 2006 | 16 Jul 2007 | | November 1953 | 8 Sherborne Drive, Westlands, Newcastle Under Lyme, Staffordshire, ST5 3JA |