Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5880610 | Current-to-voltage converting device and light receiver | Kazunori Nishizono, Atsushi Hayakawa | 1999-03-09 |
| 5804997 | Current-to-voltage converting device and light receiver | Kazunori Nishizono, Atsushi Hayakawa | 1998-09-08 |
| 5684874 | Ringtrip judging circuit | Tetsuo Yagyu, Takahiro Watai, Hirokazu Tanaka, Kunihiko Gotoh | 1997-11-04 |
| 5663673 | Output circuit having at least one external transistor | Hirokazu Tanaka, Tatsuo Kumano, Takahiro Watai | 1997-09-02 |