| 2024 | Honolulu Ekiden Foundation | 990EZ | Director | 1 | $0 | - | View return |
| 2023 | Honolulu Ekiden Foundation | 990EZ | Director | 1 | $0 | - | View return |
| 2023 | Blood Bank Real Property Inc. | 990 | President/Director | 1 | $0 | $0 | View return |
| 2022 | Hawaii Employers Council | 990 | Board Member | 0.25 | $0 | $0 | View return |
| 2022 | David S Ishii Foundation Co Fay Nagata | 990 | Director | 0 | $0 | $0 | View return |
| 2022 | Honolulu Ekiden Foundation | 990EZ | Director | 1 | $0 | - | View return |
| 2022 | Blood Bank Real Property Inc. | 990 | President/Director | 1 | $0 | $0 | View return |
| 2021 | Hawaii Employers Council | 990 | Board Member | 0.25 | $0 | $0 | View return |
| 2021 | Honolulu Ekiden Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Hawaii Asia Pacific Association (Hapa) | 990EZ | Director | 1 | $0 | - | View return |
| 2021 | David S Ishii Foundation Co Fay Nagata | 990 | Director | 0 | $0 | $0 | View return |
| 2021 | Grove Farm Company Foundation | 990PF | President Director | 8 | $0 | $0 | View return |
| 2021 | Blood Bank of Hawaii | 990 | Honorary Trustee | 1 | $0 | $0 | View return |
| 2020 | Honolulu Ekiden Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | David S Ishii Foundation Co Fay Nagata | 990 | Director | 0 | $0 | $0 | View return |
| 2020 | Hawaii Asia Pacific Association (Hapa) | 990EZ | Director | 1 | $0 | - | View return |
| 2020 | Grove Farm Company Foundation | 990PF | President/Director | 8 | $0 | $0 | View return |
| 2020 | Blood Bank Real Property Inc. | 990 | President/Director | 1 | $0 | $0 | View return |
| 2020 | Blood Bank of Hawaii | 990 | Honorary Trustee | 1 | $0 | $0 | View return |
| 2019 | Honolulu Ekiden Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Hawaii Asia Pacific Association (Hapa) | 990EZ | Director | 1 | $0 | $0 | View return |
| 2019 | David S Ishii Foundation Co Fay Nagata | 990 | Director | 0 | $0 | $0 | View return |
| 2019 | Blood Bank of Hawaii | 990 | Honorary Trustee | 1 | $0 | $0 | View return |
| 2019 | Blood Bank Real Property Inc. | 990 | President/Director | 1 | $0 | $0 | View return |
| 2018 | Hawaii Asia Pacific Association (Hapa) | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | David S Ishii Foundation Co Fay Nagata | 990 | Director | 0 | $0 | $0 | View return |
| 2018 | Blood Bank of Hawaii | 990 | Honorary Trustee | 1 | $0 | $0 | View return |
| 2018 | Blood Bank Real Property Inc. | 990 | President/Director | 1 | $0 | $0 | View return |
| 2017 | Honolulu Ekiden Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | David S Ishii Foundation Co Fay Nagata | 990 | Director | 0 | $0 | $0 | View return |
| 2017 | Hawaii Asia Pacific Association (Hapa) | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | Blood Bank Real Property Inc. | 990 | President/Director | 1 | $0 | $0 | View return |
| 2017 | Blood Bank of Hawaii | 990 | Honorary Trustee | 1 | $0 | $0 | View return |
| 2016 | David S Ishii Foundation Co Fay Nagata | 990 | Director | 0 | $0 | $0 | View return |
| 2016 | Honolulu Ekiden Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Hawaii Asia Pacific Association (Hapa) | 990EZ | Director | 1 | $0 | $0 | View return |
| 2016 | Blood Bank Real Property Inc. | 990 | President/Director | 1 | $0 | $0 | View return |
| 2016 | Blood Bank of Hawaii | 990 | Honorary Trustee | 1 | $0 | $0 | View return |
| 2015 | David S Ishii Foundation Co Fay Nagata | 990 | Director | 0 | $0 | $0 | View return |
| 2015 | Honolulu Ekiden Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | Hawaii Asia Pacific Association (Hapa) | 990EZ | Director | 1 | $0 | $0 | View return |
| 2015 | Blood Bank Real Property Inc. | 990 | President/Director | 1 | $0 | $0 | View return |
| 2015 | Blood Bank of Hawaii | 990 | Honorary Trustee | 1 | $0 | $0 | View return |
| 2014 | David S Ishii Foundation Co Fay Nagata | 990 | Director | 0 | $0 | $0 | View return |
| 2014 | Hawaii Asia Pacific Association (Hapa) | 990EZ | Director | 1 | $0 | $0 | View return |
| 2014 | Honolulu Ekiden Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | 'Iolani School | 990 | Member Of Board Of Governors | 1 | $0 | $0 | View return |
| 2014 | Blood Bank Real Property Inc. | 990 | President/Director | 1 | $0 | $0 | View return |
| 2014 | Blood Bank of Hawaii | 990 | Honorary Trustee | 1 | $0 | $0 | View return |
| 2013 | David S Ishii Foundation Co Fay Nagata | 990 | Director | 0 | $0 | $0 | View return |
| 2013 | Hawaii Asia Pacific Association (Hapa) | 990EZ | Director | 1 | $0 | $0 | View return |
| 2013 | Blood Bank of Hawaii | 990 | Honorary Trustee | 1 | $0 | $0 | View return |
| 2013 | Honolulu Ekiden Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | 'Iolani School | 990 | Member Of Board Of Governors | 1 | $0 | $0 | View return |
| 2013 | Blood Bank Real Property Inc. | 990 | President/Director | 1 | $0 | $0 | View return |