Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5270597 | Four phase stepping motor and art of driving same | Naoyoshi Yubazaki, Mitsuo Kimura | 1993-12-14 |
| 4316204 | Optoelectronic semiconductor device | Nobuhiro Inagaki, Ryosuke Namazu | 1982-02-16 |