Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5481150 | Brush and commutator motor having brush device using the same | Motoyuki Tanaka, Tadashi Ozawa | 1996-01-02 |
| 5387832 | Brush and commutator motor having brush device using the same | Motoyuki Tanaka, Tadashi Ozawa, Tatsuya Ikegami, Hiroyuki Yoshizawa | 1995-02-07 |