Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5044907 | Rotor device having inner rotor and driven outer rotor | Koichiro Hirosawa, Masahiro Fukuta | 1991-09-03 |
| 4948997 | Starter and power generator and associated motor | Tsutomu Mitsui | 1990-08-14 |