Issued Patents All Time
Showing 76–77 of 77 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4253323 | Method for manufacturing high precision slugs | Kinshiro Murakami, Atsumu Hakoyama, Masakazu Yamazaki, Yasushi Ouchi, Akira Tohkairin | 1981-03-03 |
| 4249298 | Method for connecting two members | Hideo Tatsumi, Moisei Okabe, Akira Tohkairin | 1981-02-10 |