Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6853275 | Electromagnetic relay | Shinichi Sato, Yoshio Okamoto, Shigemitsu Aoki, Keiji Ikeda | 2005-02-08 |
| 6831533 | Electromagnetic relay | Shinichi Sato, Yoshio Okamoto, Shigemitsu Aoki, Keiji Ikeda | 2004-12-14 |
| 6756868 | Electromagnetic relay | Shinichi Sato, Yoshio Okamoto, Shigemitsu Aoki, Keiji Ikeda | 2004-06-29 |
| 6489868 | Electromagnetic relay | Shinichi Sato, Yoshio Okamoto, Shigemitsu Aoki, Keiji Ikeda | 2002-12-03 |