Issued Patents All Time
Showing 26–43 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4301427 | Astable MOS FET multivibrator | Tetsuya Iida | 1981-11-17 |
| 4291274 | Phase detector circuit using logic gates | Nobuyuki Kamimaru | 1981-09-22 |
| 4280272 | Method for preparing complementary semiconductor device | Hideharu Egawa, Koji Matsuki | 1981-07-28 |
| 4278943 | Integration circuit | Eiji Masuda, Chikara Sato | 1981-07-14 |
| 4268761 | Interface circuit for converting logic signal levels | Tetsuya Iida | 1981-05-19 |
| 4267517 | Operational amplifier | Tetsuya Iida, Chikara Sato | 1981-05-12 |
| 4264968 | Basic circuit for electronic timepieces | Fuminari Tanaka, Yasushi Sato | 1981-04-28 |
| 4259686 | Circuit for producing a polarity-reversed voltage with opposite polarity to that of a power supply voltage | Tetsuya Iida | 1981-03-31 |
| 4255678 | Voltage sense circuit | Kiyofumi Ochii, Hirozi Asahi | 1981-03-10 |
| 4249145 | Input-weighted charge transfer transversal filter | Tatsuo Sakaue, Tetsuya Iida | 1981-02-03 |
| 4243975 | Analog-to-digital converter | Eiji Masuda | 1981-01-06 |
| 4233672 | High-speed semiconductor device | Kiyofumi Ochii, Hirozi Asahi | 1980-11-11 |
| 4230951 | Wave shaping circuit | Susumu Kouyama | 1980-10-28 |
| 4217502 | Converter producing three output states | Ryuzo Shiraki | 1980-08-12 |
| 4217535 | Constant-voltage circuit with a diode and MOS transistors operating in the saturation region | Takeshi Hitotsuyanagi, Tetsuya Iida | 1980-08-12 |
| 4209797 | Complementary semiconductor device | Hideharu Egawa, Koji Matsuki | 1980-06-24 |
| 4209830 | Fine object having position and direction sensing mark and a system for detecting the position and direction of the sensing mark | Yoshiaki Arimura, Hideharu Egawa | 1980-06-24 |
| 4209713 | Semiconductor integrated circuit device in which difficulties caused by parasitic transistors are eliminated | Kazuo Satou, Mitsuhiko Ueno | 1980-06-24 |