Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6262414 | Optical probe | — | 2001-07-17 |
| 4753497 | Directional coupler for coupling single-polarization optical fibers | Yoshimasa Fujii, Hisato Uetsuka | 1988-06-28 |
| 4603941 | Polarization-maintaining fiber system and method of manufacturing the same | Yoshimasa Fujii, Osamu Koike | 1986-08-05 |
| 4549300 | Semiconductor laser device | Junichi Shimada | 1985-10-22 |
| 4460977 | Optical memory playback apparatus | Junichi Shimada, Keisuke Kikuchi, Kenjiro Sakurai | 1984-07-17 |
| 4449204 | Information processing apparatus using a semiconductor laser diode | Junichi Shimada, Kenjiro Sakurai, Takitaro Morikawa, Shuichi Mitsuzuka | 1984-05-15 |
| 4431308 | Laser angular speed detector employing non-optical output | Junichi Shimada, Kenjiro Sakurai, Yukinobu Nakamura | 1984-02-14 |
| 4405236 | Semiconductor ring laser apparatus | Junichi Shimada, Kenjiro Sakurai, Yukinobu Nakamura | 1983-09-20 |
| 4190775 | Optical memory playback apparatus | Kenjiro Sakurai, Junichi Shimada, Takitaro Morikawa, Satoshi Ishihara, Atsuya Seko +1 more | 1980-02-26 |