Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4977444 | Semiconductor cooling apparatus | Tadakatsu Nakajima, Heikichi Kuwahara, Shigeo Ohashi, Toshihiro Yamada, Kenichi Kasai +2 more | 1990-12-11 |
| 4872606 | Sealed structure and production method thereof | Toshihiro Yamada, Akiomi Kohono, Akihiko Yamamoto, Keiji Taguchi, Takahiro Daikoku +1 more | 1989-10-10 |
| 4377947 | Device for identifying rubbing locations in rotating machines | Osami Matsushita, Susumu Hioki, Katsuaki Kikuchi, Shigeru Izumi | 1983-03-29 |