Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8305166 | Electromagnetic relay | Kei Chiba, Kouichi Mutou | 2012-11-06 |
| 6621394 | Electromagnetic relay apparatus | Tsutomu Ono, Keiichi Mori, Tatsumi Ide | 2003-09-16 |
| 5894253 | Electromagnetic relay | Kazuhiro Ichikawa, Tatsumi Ide, Akihiro Kaito, Toshihiro Azuma | 1999-04-13 |
| 5673011 | Surface mount type leadless electromagnetic relay | Naoto Okihara, Masayuki Morimoto, Matsujiro Ikeda, Naohiro Tanioka | 1997-09-30 |
| 4614927 | Polarized electromagnetic relay | Nobuo Mikami, Yuichi Kamo | 1986-09-30 |