Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4268781 | DC Motor drive system | Shigeki Kawada, Shigeaki Oyama, Yoshiki Fujioka, Mitsuhiko Hirota | 1981-05-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4268781 | DC Motor drive system | Shigeki Kawada, Shigeaki Oyama, Yoshiki Fujioka, Mitsuhiko Hirota | 1981-05-19 |