Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8072300 | Electromagnetic relay | Hideki Kuboyama, Toshiyuki Furukawa, Tatsuhiro Yasutake, Takeo Okuda | 2011-12-06 |
| 7307499 | High-frequency relay | Masanori Nakamura, Mitsuhiro Kawai, Hiromi Shima, Toshifumi Sumino | 2007-12-11 |
| 6107903 | Electromagnetic relay | Yoichi Nakanishi, Ryutaro Tsuchiya, Yuichi Kariya | 2000-08-22 |
| 5608366 | Electronmagnetic device | — | 1997-03-04 |
| 5473297 | Electromagnetic relay | Kiyoaki Kuzukawa | 1995-12-05 |
| 5440285 | Closed type electromagnetic relay | Yoichi Nakanishi, Ryuichi Sato, Masayuki Noda, Ikuo Takegahara | 1995-08-08 |
| 5270674 | Electromagnetic relay | Yoichi Nakanishi, Ryuichi Sato, Hiroyuki Sagawa, Masayuki Noda, Mitsuhiro Kawai | 1993-12-14 |