Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4871990 | Cartridge fuse | Yuji Hatagishi, Mitsuhiko Totsuka, Toshiharu Kudoh | 1989-10-03 |
| 4808962 | Fuse | — | 1989-02-28 |
| 4801275 | Connector lock device | Mitsuhiko Totsuka | 1989-01-31 |
| 4800358 | Fuse | Kenji Takenouchi, Mitsuhiko Tozuka | 1989-01-24 |