| BEYER, Richard Carl ACTIVE | Secretary | 01 Apr 2015 | | | | Citypoint, One Ropemaker Street, London, EC2Y 9NY |
| NAKAI, Takuji ACTIVE | Director | 01 Apr 2014 | | United Kingdom | September 1957 | Citypoint, One Ropemaker Street, London, EC2Y 9NY |
| FUJII, Hideo RESIGNED | Secretary | 28 Aug 1996 | 03 May 2000 | | | 17 Southover, London, N12 7JG |
| FUKUDA, Naoya RESIGNED | Secretary | 03 May 2000 | 15 Nov 2002 | | | 24 Athenaeum Road, London, N20 9AE |
| INUZUKA, Kenya RESIGNED | Secretary | 27 Jan 1993 | 28 Aug 1996 | | | Flat 54, 22 Park Crescent, London, W1 3PE |
| MATSUBARA, Shunji RESIGNED | Secretary | 15 Nov 2002 | 01 Apr 2005 | | | Allonby Court Lane, West Hill, Epsom, Surrey, KT19 8JP |
| TREGONING, Andrew Frederick RESIGNED | Secretary | 31 Dec 2006 | 01 Apr 2015 | | | 13 Lawman Court, 262 Kew Road, Richmond, Surrey, TW9 3EF, England |
| TSUGAWA, Motomu RESIGNED | Secretary | | 27 Jan 1993 | | | 4 Shortgate, London, N12 7JP |
| USAMI, Yoshikazu RESIGNED | Secretary | 01 Apr 2005 | 31 Dec 2006 | | | Suite Flat 104 Blazer Court, 28a St Johns Wood Road, London, NW8 7JY |
| AONO, Akira RESIGNED | Director | | 06 Aug 1997 | | September 1947 | Largo Quinto Alpini 1, 20145 Milano, Italy, FOREIGN |
| ASANO, Yoshiki RESIGNED | Director | | 27 Aug 1991 | | September 1940 | Limburg Strasse 7, 4000 Dusseldorf, Germany |
| BOARDLEY, Thomas Stephen RESIGNED | Director | 01 Apr 2005 | 31 Mar 2007 | England | June 1957 | The Old Post House, Middle Street Clavering, Saffron Walden, Essex, CB11 4QL |
| DAVIDSON, Jeremy Robin RESIGNED | Director | 01 Aug 1995 | 22 Dec 2003 | United Kingdom | November 1947 | Appletrees Farm, Stocking Green Radwinter, Saffron Walden, Essex, CB10 2SS |
| HATTORI, Hiroshi RESIGNED | Director | 01 Apr 2010 | 01 Apr 2014 | United Kingdom | October 1953 | Citypoint, One Ropemaker Street, London, EC2Y 9NY |
| ISHIDA, Tadamasa RESIGNED | Director | 29 Jun 2000 | 28 Jun 2002 | | February 1945 | Flat 13, Arlington House, 17-20 Arlington Street, London, SW1A 1RJ |
| KATSUKI, Tsunehiro RESIGNED | Director | | 30 Jan 1992 | | October 1942 | 14 Church Mount, London, N2 0RP |
| KIRSOP, Charles James RESIGNED | Director | 01 Aug 1995 | 01 Apr 2005 | | March 1945 | 68 Pilgrims Way East, Otford, Sevenoaks, Kent, TN14 5QL |
| KOBAYASHI, Hiroshi RESIGNED | Director | | 27 Jan 1993 | | June 1943 | Schorlemer Str 86, 4000 Dusseldorf 11, Germany |
| MAKINO, Naoshige RESIGNED | Director | 31 Jul 1994 | 25 Aug 1995 | | November 1946 | 113 Willifield Way, Hampstead Garden Suburb, London, NW11 6YE |
| MAMIYA, Tadatoshi RESIGNED | Director | 26 Jun 1998 | 29 Jun 1999 | | July 1942 | 2 Redington Gardens, Hampstead, London, NW3 7RY |
| MINAMI, Noboru RESIGNED | Director | 27 Aug 1991 | 31 Jul 1994 | | November 1942 | Limburg Strabe 7, 4000 Dusseldorf 1, Germany |
| MIYOSHI, Kunihiko RESIGNED | Director | 28 Jun 2002 | 31 Mar 2007 | | November 1956 | 14 Church Mount, Finchley, London, N2 0RP |
| MOROOKA, Masamichi RESIGNED | Director | 01 Apr 2007 | 01 Apr 2010 | United Kingdom | September 1952 | 151 Artillery Mansions, 75 Victoria Street, London, SW1H 0HZ |
| MURAKAMI, Shoji RESIGNED | Director | 25 Jul 2001 | 22 Dec 2003 | | January 1956 | 65 Chapman Square, Wimbledon, London, SW19 5QU |
| NAGATSUKA, Masatoshi RESIGNED | Director | | 30 Sep 1993 | | September 1945 | 70 Wykeham Road, Hendon, London, NW4 2ST |
| NAKAMAE, Wataru RESIGNED | Director | 31 May 2000 | 27 Oct 2003 | | October 1954 | 23a The Chase, Coulsdon, Surrey, CR5 2EJ |
| NAKANO, Yoichi RESIGNED | Director | 25 Aug 1995 | 29 Jul 1998 | | March 1948 | 70 Britten Close, Golders Green, London, NW11 7HW |
| NISHIMOTO, Tetshaki RESIGNED | Director | 01 Aug 1995 | 29 Oct 1998 | | November 1945 | 70 Wykeham Road, Hendon, London, NW4 2ST |
| OKUDA, Hideharu RESIGNED | Director | 20 Mar 2000 | 31 May 2000 | | February 1950 | 102 Sidney Road, Walton On Thames, Surrey, KT12 3SA |
| ONISHI, Akihiro RESIGNED | Director | 27 Jan 1993 | 31 Jul 1996 | | July 1945 | Schoklemer Strabe 86, 4000 Dussledore 11, Germany |
| OZAWA, Yukio RESIGNED | Director | 29 Aug 1995 | 29 Jun 1999 | | January 1947 | 14 Church Mount, Finchley, London, N2 0RP |
| SATO, Minoru RESIGNED | Director | 24 Sep 1997 | 31 Mar 2007 | | February 1950 | Flat 13 Arlington House, 17-20 Arlington Street, London, SW1A 1RJ |
| SHIMIZU, Hiroyuki RESIGNED | Director | 24 Sep 1997 | 29 Jul 1998 | | September 1950 | Formentor St Marys Avenue, Finchley, London, N3 1SN |
| SHIMIZU, Noburu RESIGNED | Director | 29 Oct 1998 | 20 Mar 2000 | | September 1952 | 48 Britten Close, London, NW11 7HQ |
| SHOWELL, Christopher RESIGNED | Director | 20 Mar 2000 | 31 Jul 2006 | | August 1946 | 70 Kippington Road, Sevenoaks, Kent, TN13 2LL |
| SUZUMURA, Koichi RESIGNED | Director | 27 Aug 1991 | 26 Jul 1995 | | May 1938 | 2-7-27 Higashi Kaigan Minami, Chigasaki City, Kanagawa, Japan |
| TAKAKU, Mayumi RESIGNED | Director | 27 Aug 1991 | 30 Sep 1993 | | March 1946 | Largo Quinto Alpini 1, 20145 Milano, Italy |
| TANAKA, Michio RESIGNED | Director | 29 Jun 1999 | 29 Jun 2000 | | March 1937 | Flat 13 Arlington House, 17-20 Arlington Street, London, SW1A 1RJ |
| TODAKA, Shinichi RESIGNED | Director | 27 Aug 1991 | 31 Jul 1994 | | May 1944 | Breamstrabe 63, 4000 Dusseldorf 1, Germany |
| YAMAGATA, Saburo RESIGNED | Director | 29 Jul 1998 | 25 Jul 2001 | | March 1952 | Avenue Du Jeu De Paume 25, 1150 Woluwe Saint Pierre, Belgium |
| YAMAGUCHI, Tsuguji RESIGNED | Director | | 26 Jun 1998 | | May 1939 | 2 Redington Gardens, Hampstead, London, NW3 7RY |