Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9812621 | Semiconductor device and fabrication method for same | Masamichi Ishihara, Kenshu Oyama, Hitonobu Onosaka | 2017-11-07 |
| 9698327 | LED illumination module and LED illumination apparatus | Masamichi Ishihara, Kenshu Oyama, Hitonobu Onosaka, Masato Shima | 2017-07-04 |
| 8960221 | Gas pressure regulating valve | Kaoru Nomichi, Yutaka Suzuki, Makoto Ninomiya | 2015-02-24 |
| 5096559 | Cathode roller mechanism | Ikuo Sasaki, Koji Abe, Kenichi Onishi | 1992-03-17 |
| 4831466 | Magnetic tape recording signal level adjustment device | Kiichiro Koide, Kyoichi Inoue, Satoshi Hiranuma, Toshihiko Osada | 1989-05-16 |
| 4677264 | Contact material for vacuum circuit breaker | Mitsuhiro Okumura, Eizo Naya, Mitsuhiro Harima, Seiichi Miyamoto | 1987-06-30 |
| 4295112 | Residual current transformer | Yoshito Yamada, Hiroshi Okumura | 1981-10-13 |