Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6850118 | Amplifier circuit and power supply provided therewith | Takao Kanzaki | 2005-02-01 |
| 5859757 | Output driving circuit for use in DC stabilized power supply circuit | Akio Nakajima | 1999-01-12 |
| 5483200 | Light-receiving and amplifying device capable of switching between gain levels at high speed and obtaining a sufficient signal-to-noise ratio over a wide range in quantity of incident light | Naonori Okabayashi, Masaya Ohnishi | 1996-01-09 |
| 5321254 | Light-receiving and amplyfying device capable of widening an AC operation range | Naruichi Yokogawa, Naonori Okabayashi | 1994-06-14 |