Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4829226 | Rechargeable battery pack and charger unit combination | Katsuji Nakamura, Masami Kitamura | 1989-05-09 |
| 4825546 | Hair clipper | Masakatsu Araki, Hideaki Haraguchi, Shinichirou Tsujimura | 1989-05-02 |