Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9109294 | Manufacturing method for contact for current inspection jig, contact for current inspection jig manufactured using said method, and current inspection jig provided with said contact | Kesao Kojima | 2015-08-18 |
| 4956641 | Radio paging device having circuitry of rewriting a stored message with error-free characters | Masahiro Matai, Takashi Oyagi, Shinjiro Umetsu | 1990-09-11 |
| 4734694 | Pager | Shinjiro Umetsu, Koichi Nagata | 1988-03-29 |