Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5108037 | Fuel injection valve | Yoshio Okamoto, Haruo Watanabe, Hiroyuki Ando, Youzou Nakamura, Mineo Kashiwaya | 1992-04-28 |
| 5098016 | Electromagnetic fuel injection valve | Yoshio Okamoto, Yozo Nakamura, Kyoichi Uchiyama, Haruo Watanabe, Tokuo Kosuge +3 more | 1992-03-24 |
| 4995559 | Electromagnetic fuel injection valve | Yoshio Okamoto, Yozo Nakamura, Kyoichi Uchiyama, Haruo Watanabe, Tokuo Kosuge +3 more | 1991-02-26 |
| 4887769 | Electromagnetic fuel injection valve | Yoshio Okamoto, Yozo Nakamura, Kyoichi Uchiyama, Haruo Watanabe, Tokuo Kosuge +3 more | 1989-12-19 |
| 4520962 | Magnetic fuel injection valve | Masakichi Momono, Hisanori Moriya, Masahiro Souma | 1985-06-04 |