Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4688010 | Electromagnetic relay | Kazuhiro Nobutoki, Kenji Ono, Sueyoshi Matsumura | 1987-08-18 |
| 4374311 | Electrical multilayer contact | Masanori Motoyama, Satoru Furukawa | 1983-02-15 |