Issued Patents All Time
Showing 51–54 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5448532 | Electronic world clock device for indicating times for various spots in the world | Yoshiro Kataoka, Shigenobu Yanagiuchi, Yoshihiro Shintaku | 1995-09-05 |
| 5376945 | Portable terminal device | Toshihiro Takenaka, Isamu Haneda, Akitaka Morita | 1994-12-27 |
| 4901262 | Electronic calculator providing flexible constant utilization | Ken'ichi Inui | 1990-02-13 |
| 4433125 | Oxygen permeable hard contact lens | Shoji Ichinohe, Kouzou Takahashi | 1984-02-21 |