| Akira Yajima | Director | 30 Sept 2008 | 27 Aug 2013 | Japanese | 64 years |
| Clifford Chance Secretaries Limited | Corporate Nominee Secretary | 22 Feb 1996 | 24 Mar 1997 | United Kingdom | - |
| Fujio Suzuki | Director | 28 Jul 1998 | 15 Mar 2003 | Japanese | 78 years |
| Geoffrey Paul Walters | Secretary | 29 Jun 2001 | 31 May 2007 | British | - |
| Hiroaki Iizawa | Director | 30 Jun 2009 | 29 May 2015 | Japanese | 57 years |
| Hiroshi Takei | Director | 5 Apr 2018 | 31 Jan 2024 | Japanese | 61 years |
| Hiroto Ichiki | Director | 1 Nov 2001 | 30 Jun 2009 | Japanese | 64 years |
| Jane Elizabeth Beglin | Secretary | 27 Mar 1997 | 22 Nov 1999 | British | - |
| John Vincent Everritt | Director | 28 Jul 1998 | 26 May 1999 | British | 85 years |
| Julian Mark Rudd-jones | Director | 22 Nov 1999 | 30 Jun 2025 | British | 71 years |
| Katsumi Shibasaki | Director | 15 Jul 2003 | 31 May 2007 | Japanese | 77 years |
| Ken Uchida | Director | 1 Jan 2013 | 31 Mar 2015 | Japanese | 70 years |
| Martin Edgar Richards | Nominee Director | 22 Feb 1996 | 1 May 1996 | British | 83 years |
| Masazumi Maeda | Director | 2 Jun 2016 | 14 Jul 2019 | Japanese | 52 years |
| Michiya Uchida | Director | 31 May 2007 | 1 Jan 2013 | Japanese | 66 years |
| Michiya Uchida | Director | 1 Apr 2015 | 29 May 2015 | Japanese | 66 years |
| Milton Anthony Fernandes | Director | 1 May 1996 | 30 Apr 1999 | British | 65 years |
| Nigel William Michael Goddard Chism | Director | 22 Jun 2010 | 22 Jun 2010 | British | 72 years |
| Nigel William Michael Goddard Chism | Director | 22 Jun 2010 | 31 Oct 2024 | British | 72 years |
| Noburo Aoki | Secretary | 28 Sept 2000 | 29 Jun 2001 | Japanese | - |
| Peter John Charlton | Nominee Director | 22 Feb 1996 | 1 May 1996 | British | 71 years |
| Richard Simon Muir Clancy | Director | 15 Jun 2022 | 25 Nov 2024 | British | 61 years |
| Simon Nicholas Bibby | Secretary | 22 Nov 1999 | 28 Sept 2000 | British | - |
| Taizo Yamamoto | Director | 28 Jul 1998 | 30 Jul 2004 | Japanese | 71 years |
| Yo Yatsuzuka | Director | 29 May 2015 | 5 Apr 2018 | Japanese | 52 years |