Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5949566 | Optical transmitter | — | 1999-09-07 |
| 5880869 | Optical transmitter | — | 1999-03-09 |
| 5706118 | Optical transmission method and optical transmission apparatus | — | 1998-01-06 |
| 5701087 | Prescaler IC test method capable of executing alternate current test by the use of IC tester for direct current test | — | 1997-12-23 |
| 5604447 | Prescaler IC testing method and test probe card | — | 1997-02-18 |
| 5467213 | Optical trunk transmission system and an optical repeater circuit | Kazuhisa Kaede | 1995-11-14 |
| 5412339 | High frequency amplifier | — | 1995-05-02 |
| 5392147 | Optical trunk transmission system and an optical repeater circuit | Kazuhisa Kaede | 1995-02-21 |
| 5379143 | Optical regenerative-repeater system | — | 1995-01-03 |
| 5121416 | Timing extracting method suitable for a high bit-rate transmission system and a circuit therefor | — | 1992-06-09 |
| 4496908 | Negative feedback amplifier having GaAs FET's | Norihisa Ohta | 1985-01-29 |