Issued Patents All Time
Showing 76–77 of 77 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4316927 | Magnetic recording medium | Toshihiko Yamada | 1982-02-23 |
| 4283706 | Puncture detecting device | Tadashi Kamiya, Kiyotaka Hayashi | 1981-08-11 |
Showing 76–77 of 77 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4316927 | Magnetic recording medium | Toshihiko Yamada | 1982-02-23 |
| 4283706 | Puncture detecting device | Tadashi Kamiya, Kiyotaka Hayashi | 1981-08-11 |