Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888533 | Brushless DC motor | Kouji Hamaoka | 1989-12-19 |
| 4837814 | Telephone set | Yutaka Yoshino, Osamu Fujimoto, Masahiro Shizawa | 1989-06-06 |
| D301036 | Wall mount, coin-operated, public telephone | Hiroyuki Yamazaki, Yutaka Yoshino | 1989-05-09 |