Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5864407 | Image processing system | Katsuichi Shimizu, Takehiko Shibata, Yoshikazu Yokomizo, Akira Suzuki, Koichi Murakami +3 more | 1999-01-26 |
| 5309416 | Method and apparatus for initializing intermediate region between tracks on magnetooptical recording medium | Ryuichi Iwanaga | 1994-05-03 |
| 5289451 | Optical information recording/reproduction apparatus including means for detecting the type of recording medium | Takaaki Ashinuma, Shigeru Aoi, Makoto Shiho, Yasuo Suzuki, Takehiko Shibata +2 more | 1994-02-22 |
| 5264871 | Image forming apparatus having light beam intensity switching for detection purposes | — | 1993-11-23 |
| 5093817 | Method and apparatus for recording information on an opto-magnetic recording medium by applying a modulated light beam while applying a magnetic field alternating with a constant period | Eiichi Fujii, Takayuki Aizawa, Tohru Tatsuno, Yasuyuki Tamura, Norio Hashimoto | 1992-03-03 |
| 5008760 | Image processing system | Katsuichi Shimizu, Takehiko Shibata, Yoshikazu Yokomizo, Akira Suzuki, Koichi Murakami +3 more | 1991-04-16 |
| 4899291 | Image processing system | Shigeru Aoi, Takaaki Ashinuma | 1990-02-06 |
| 4811109 | Image processing system | Katsuichi Shimizu, Takehiko Shibata, Yoshikazu Yokomizo, Akira Suzuki, Koichi Murakami +3 more | 1989-03-07 |
| 4766447 | Image display apparatus | — | 1988-08-23 |
| 4528580 | Image information recording apparatus | Takahiro Inoue, Kazuhiro Hirayama | 1985-07-09 |
| 4496238 | Image recording apparatus | Junichi Kimizuka, Haruo Shimizu | 1985-01-29 |
| 4445126 | Image forming apparatus | — | 1984-04-24 |