Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D344934 | Magnetic tape storage unit for an electronic computer | Yozo Sawada | 1994-03-08 |
| D344722 | Magnetic tape storage unit for an electronic computer | Yozo Sawada | 1994-03-01 |
| D344723 | Magnetic tape storage unit for an electronic computer | Kazutoshi Tonozuka, Masahiro Honda | 1994-03-01 |
| D344267 | Arithmethic control unit for an electronic computer | Hiroshi Ueda, Taneaki Chiba, Akiyo Iizuka | 1994-02-15 |
| D322427 | Arithmetric control unit for an electronic computer | Taneaki Chiba | 1991-12-17 |
| D322428 | Arithmetic control unit for an electronic computer | Yasuharu Sato | 1991-12-17 |
| D307135 | Control unit for a personal computer | Yasuharu Sato | 1990-04-10 |