Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10263531 | Method for manufacturing rectifier and rectifier | Tadashi Yokoyama, Seisaku Imagawa, Toshiyuki Oonishi, Yuzuru Kobayashi | 2019-04-16 |
| 10069432 | Method for manufacturing rectifier and rectifier | Tadashi Yokoyama, Seisaku Imagawa, Toshiyuki Oonishi, Yuzuru Kobayashi | 2018-09-04 |
| 6452295 | Engine starter with a thermostat for thermal protection | Shigeru Shiroyama, Katsunori Yagi | 2002-09-17 |
| 5994805 | Starter | Shigeru Shiroyama | 1999-11-30 |