Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4703450 | Interface device | Satoru Tokui, Keiichiro Nanba | 1987-10-27 |
| 4635222 | Interface device for converting a computer printer port into an input/output port | Satoru Tokui, Keiichiro Nanba | 1987-01-06 |
| 4540951 | Amplifier circuit | Akio Ozawa, Keishi Sato, Kikuo Ishikawa, Kiyomi Yatsuhashi, Satoshi Ishii +1 more | 1985-09-10 |
| 4433305 | Amplifier circuit | Akio Ozawa, Keishi Sato, Kikuo Ishikawa, Kiyomi Yatsuhashi, Satoshi Ishii +1 more | 1984-02-21 |
| 4420725 | Wide-bandwidth low-distortion amplifier | Kikuo Ishikawa | 1983-12-13 |
| 4356453 | Reduced noise-improved gain transistor circuit | — | 1982-10-26 |
| 4356454 | Equalizer amplifier | Kikuo Ishikawa | 1982-10-26 |
| 4356455 | Amplifier | Akio Ozawa, Keishi Saito, Kikuo Ishikawa, Kiyomi Yatsuhashi, Satoshi Ishii +1 more | 1982-10-26 |
| 4237426 | Transistor amplifier | — | 1980-12-02 |