Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7906882 | Permanent magnet rotating machine | Shigeru Okuma, Shinji Doki, Mitsuhiko Sato, Seiichi Kaneko | 2011-03-15 |
| 7605510 | Permanent magnet rotating machine | Shigeru Okuma, Shinji Doki, Mitsuhiko Sato, Seiichi Kaneko | 2009-10-20 |