Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6404652 | Relay terminal | Yasuhiro Takebayashi, Kazushige Matsuoka, Ryo Sugihara, Hirofumi Iwanaga, Tsuyoshi Maekawa | 2002-06-11 |
| 5790004 | Electromagnetic relay | Kazushige Matsuoka, Tsuyoshi Nishida | 1998-08-04 |