Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4523304 | Optical data recording and reproducing apparatus | Isao Satoh, Shunji Harigae, Kenji Koishi | 1985-06-11 |
| 4509156 | Semiconductor laser driving system | Shunji Ohara, Isao Satoh, Kenji Koishi | 1985-04-02 |
| 4484319 | Apparatus for locating a track on disc-like optical information carriers | Kenji Koishi, Isao Satoh, Shunji Harigae | 1984-11-20 |
| 4433403 | Optical disc recording and retrieval system | Sueki Baba, Nobuo Akahira, Tadaoki Yamashita | 1984-02-21 |
| 4426693 | Light source intensity control in an optical recording and reproducing apparatus | Isao Satoh, Shunji Harigae, Kenji Koishi | 1984-01-17 |
| 4420828 | Optical recording and/or reproducing device | Michiyoshi Nagashima, Shunji Harigae, Makoto Ichinose, Noboru Wakami | 1983-12-13 |
| 4403318 | Apparatus and method for recording, reproducing and erasing on optical recording discs | Michiyoshi Nagashima, Takeo Ohta | 1983-09-06 |
| 4385303 | Optical recording and reproducing disc | Nobuo Akahira, Michiyoshi Nagashima, Shunji Harigae, Tadaoki Yamashita | 1983-05-24 |
| 4368526 | Servo control system for optical system which focuses a converging light beam on a recording disc | Shunji Harigae, Yoshinobu Nakata, Michiyoshi Nagashima, Toshio Sato | 1983-01-11 |
| 4328506 | Optical recording device | Michiyoshi Nagashima, Shunji Harigae, Makoto Ichinose, Noboru Wakami | 1982-05-04 |
| 4297231 | Process for producing a positive electrode for a non-aqueous electrolytic cell | Toshiki Kahara, Kohki Tamura, Noboru Ebata, Fumio Sato | 1981-10-27 |
| 4272651 | Optical system having diode laser light source | Yoshinobu Nakata, Shunji Harigae, Toshio Sato | 1981-06-09 |
| 4205019 | Process for producing thermoplastic resin | Takesaburo Shima, Hiroshi Kozima, Joji Nakamura | 1980-05-27 |