Issued Patents All Time
Showing 126–130 of 130 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5909305 | Method and apparatus for monitoring the momental wavelength of light, and an optical amplifier and an optical communication system which incorporate the method and apparatus to adjust gain tilt | — | 1999-06-01 |
| 5818629 | Method and apparatus for monitoring the momental wavelength of light, and an optical amplifier and an optical communication system which incorporate the method and apparatus to adjust gain tilt | — | 1998-10-06 |
| 5737118 | Optical amplifying apparatus | Yasushi Sugaya, Hiroshi Onaka, Terumi Chikama | 1998-04-07 |
| 4894814 | Optical disc player with pause function in response to elapsed preset maximum playback time period | Jiro Yamada, Haruhisa Tomoda | 1990-01-16 |
| 4359657 | Rotation speed signal detector | Hisayuki Matsumoto, Seiichi Ushijima, Masaki Suzuki | 1982-11-16 |