Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7534979 | Pressure-contact type rectifier with contact friction reducer | Shinichi Ito, Shigeki Maekawa, Hiroya Ikuta, Toshiaki Kashihara, Shinji Iwamoto +1 more | 2009-05-19 |