Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4973897 | System analyzer | — | 1990-11-27 |
| 4771455 | Scrambling apparatus | Nobuo Hareyama | 1988-09-13 |
| 4636709 | Regulated DC power supply | — | 1987-01-13 |
| 4413309 | Printed circuit board | Toshio Takahashi | 1983-11-01 |
| 4405971 | Electrical circuit apparatus | — | 1983-09-20 |
| 4365326 | Record player | Hiroshi Nakazawa | 1982-12-21 |
| 4349860 | Tantalum condenser | — | 1982-09-14 |
| 4345371 | Method and apparatus for manufacturing hybrid integrated circuits | Yoshiteru Noda, Iwao Ichikawa, Katsumi Yamamoto | 1982-08-24 |
| 4339785 | Electronic circuit arrangement mounted on printed circuit board | — | 1982-07-13 |
| 4326239 | Printed circuit board | Masato Yamamura, Toshio Takahashi | 1982-04-20 |
| 4236198 | Switching regulator | Akio Koizumi, Hiroshi Nakazawa | 1980-11-25 |
| 4199149 | Record player | — | 1980-04-22 |
| 4194743 | Record player | Hiroshi Nakazawa | 1980-03-25 |