Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6445721 | Laser diode light emission sensing circuit | Yasuhiro Ootuka | 2002-09-03 |
| 6188264 | Automatic threshold level control circuit | Akira Kakinoki | 2001-02-13 |
| 6140878 | Transimpedance-type amplifier circuit with interchangeable resistance | — | 2000-10-31 |
| 5952883 | Circuit arrangement for amplifying an electrical signal converted from an optical signal | — | 1999-09-14 |
| 5874842 | Sample and hold circuit having quick resetting function | — | 1999-02-23 |