Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6972651 | Switch operable under a predetermined condition, external magnetic field generating unit, combination of such a switch and an external magnetic field generating unit and electronic apparatus incorporating the same | Shigemitsu Aoki, Nobuyoshi Shimizu, Hirofumi Saso, Yoshio Okamoto, Noboru Fujii +1 more | 2005-12-06 |
| 6340924 | Repeatedly usable high-operating-speed circuit protection device using reed members | Nobuyoshi Shimizu, Koichi Kondoh | 2002-01-22 |