Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4336530 | Thin keyboard with changeable key indicia | Mamoru Koike, Shigeki Komaki, Tomohiro Inoue, Akira Tanimoto | 1982-06-22 |
| 4209735 | Solar battery powered electronic calculator | — | 1980-06-24 |