Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6107903 | Electromagnetic relay | Kazumi Sako, Yoichi Nakanishi, Yuichi Kariya | 2000-08-22 |
| 5880653 | Electromagnetic relay and its manufacture | Kazuo Yamada, Senjiro Ishibashi, Hitoshi Nakano, Mitsuhiro Kawai, Kiyoaki Kuzukawa +4 more | 1999-03-09 |