Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5036420 | Surge absorber | Akio Uchida, Takaaki Ito, Nobuya Saruwatari | 1991-07-30 |
| 4928650 | Operating arrangement for internal combustion engine poppet valves and the like | Yutaka Matayoshi, Shigeru Kamegaya, Kyugo Hamai | 1990-05-29 |
| 4419643 | Self-sustaining solenoid | Shin Ojima, Kiichiro Tada, Naoki Yoshikawa, Yoshinao Naito | 1983-12-06 |