Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5626348 | Metal gasket | Kazukuni Takada, Kenji Kubouchi, Kunitoshi Inoue, Masahiko Miura | 1997-05-06 |
| 5609345 | Metal gasket with stepped intermediate plate | Masahiko Miura, Kazukuni Takada, Kunitoshi Inoue, Kenji Kubouchi, Yoshikazu Shinpo +1 more | 1997-03-11 |
| 5258082 | High strength spring | Hiroshi Koyama, Yasuo Sato, Katsuyuki Nishioka, Akira Tange | 1993-11-02 |
| 5225008 | Method for manufacturing a high-strength spring | Hiroshi Koyama, Yasuo Sato, Katsuyuki Nishioka, Akira Tange | 1993-07-06 |