Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D520958 | Detecting switch | Kazuo Yoneyama, Tsushima Takada, Hirohumi Koizumi | 2006-05-16 |
| 5835323 | Electrical connector with breaking current for leak | Yoshihisa Mimata | 1998-11-10 |