Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5500850 | Optical disk with grooves and pits of different depths | Kazuo Van, Kenji Ohta, Tetsuya Inui, Toshikazu Nagaura, Hirotoshi Takemori | 1996-03-19 |
| 5399461 | Optical disk for use in optical memory devices | Kazuo Van, Kenji Ohta, Tetsuya Inui, Toshikazu Nagaura, Hirotoshi Takemori | 1995-03-21 |
| 5374046 | Feeding apparatus | Osamu Wakuda, Hiranaga Yamamoto, Hiroyuki Nagao | 1994-12-20 |
| 5353278 | Magneto-optical disk and method of manufacturing the same | Yoshiteru Murakami, Junichiro Nakayama, Hiroyuki Katayama, Akira Takahashi, Kenji Ohta | 1994-10-04 |
| 5340096 | Feeding apparatus | Osamu Wakuda, Hiranaga Yamamoto, Hiroyuki Nagao | 1994-08-23 |
| 5333849 | Rotatable cassette type feeding apparatus | Hiranaga Yamamoto, Osamu Wakuda, Hiroyuki Nagao | 1994-08-02 |
| 5308053 | Rotatable cassette-type paper feeding apparatus | Hiranaga Yamamoto, Osamu Wakuda, Hiroyuki Nagao | 1994-05-03 |