Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5673600 | Screwdriver having plural kinds of driver pins | Masato Yamauchi | 1997-10-07 |
| 5493473 | Case for shielding electronic circuit members from electromagnetic waves | — | 1996-02-20 |
| D342486 | Control unit for an electronic computer | Taneaki Chiba, Hiroshi Ueda, Akiyo Iizuka, Akira Sakai | 1993-12-21 |