Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5642338 | Information recording medium and apparatus and method for recording and reproducing information | Yoshihisa Fukushima, Yasushi Azumatani, Hiroshi Hamasaka | 1997-06-24 |
| 5596564 | Information recording medium and apparatus and method for recording and reproducing information | Yoshihisa Fukushima, Yasushi Azumatani, Hiroshi Hamasaka | 1997-01-21 |
| 5568467 | Information recording format having a plurality of bands with independent read and write control data | Yoshihisa Fukushima, Haruo Yamashita, Yasushi Azumatani, Hiroshi Hamasaka | 1996-10-22 |
| 5392150 | Optical information reading device | Kenzo Obata | 1995-02-21 |
| 5140141 | Bar-code reader with reading zone indicator | Osamu Asai, Yasuyuki Sakai | 1992-08-18 |
| 4848205 | Circular saw blade | Yoshimitu Suzuki | 1989-07-18 |