Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6088059 | Electronic imaging apparatus having image quality-improving means | Shinichi Mihara, Osamu Inagaki, Gakuji Kamishima | 2000-07-11 |
| 5532104 | Invisible information recording medium | — | 1996-07-02 |
| 5317557 | Optical head for recording and reproducing information on and/or from optical record medium | — | 1994-05-31 |
| 5179068 | Heat-sensitive recording material | — | 1993-01-12 |
| 5063197 | Heat-sensitive recording material | Fumio Okumura, Kazuhiko Ito | 1991-11-05 |
| 4990483 | Thermosensitive recording material | — | 1991-02-05 |
| 4973571 | Thermosensitive recording materials | Naomasa Koike | 1990-11-27 |
| 4925827 | Thermosensitive recording materials | Naomasa Koike | 1990-05-15 |
| 4518863 | Static induction transistor image sensor with noise reduction | Kenji Fukuoka, Masatoshi Ida, Toshimasa Akagi, Masaharu Imai, Kenji Kimura | 1985-05-21 |
| 4270843 | Objective for video disks | — | 1981-06-02 |
| 4258981 | Reproducing objective for video disks | — | 1981-03-31 |
| 4240704 | Objective for video disks | — | 1980-12-23 |
| 4206977 | Reproducing objective for video disks | — | 1980-06-10 |