Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4586437 | Electronic delay detonator | Shiro Hiruta | 1986-05-06 |
| D265739 | Micro film camera | Masahiro Koyama, Masahiko Suzuki | 1982-08-10 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4586437 | Electronic delay detonator | Shiro Hiruta | 1986-05-06 |
| D265739 | Micro film camera | Masahiro Koyama, Masahiko Suzuki | 1982-08-10 |