Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9664733 | Probe device for testing electrical characteristics of semiconductor element | Yuichi Ozawa, Hiroshi Nishimura, Yasuhito Iguchi, Kunihiko Chiba, Ken Kato | 2017-05-30 |
| 9442156 | Alignment support device and alignment support method for probe device | Yuichi Ozawa, Hiroshi Nishimura, Yasuhito Iguchi, Kunihiko Chiba, Ken Kato | 2016-09-13 |
| 6897893 | Image pickup device equipped with light emitter and image pickup method using the same | — | 2005-05-24 |
| 5249177 | Structure for preventing dislocation of a spring in an optical disk cartridge | Kunihito Kamakura, Chihiro Aoki, Seitaro Hamano, Yasushi Hiramatsu | 1993-09-28 |
| 5114828 | Optical information recording medium containing linear acrylic resin | Tokuji Tanaka, Etsuji Akimoto | 1992-05-19 |
| 5090078 | Optical disk storage container and cleaner | Kunihito Kamakura, Chihiro Aoki, Seitaro Hamano, Yasushi Hiramatsu | 1992-02-25 |