Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5084967 | Dry shaver with a trimmer | Hisao Nakagawa, Masato Morita | 1992-02-04 |
| 4845847 | Dry shaver with a slidable trimmer handle | Keizo Ganse, Hideharu Nakano | 1989-07-11 |
| 4660283 | Dynamically balanced apparatus having reciprocating member | — | 1987-04-28 |
| 4451980 | Chargeable electric instrument | Kenzo Shirakawa, Norio Yamada, Masami Kitamura, Masao Matsumoto | 1984-06-05 |
| 4397616 | Pump driving mechanism | Toshio Tanabe | 1983-08-09 |
| 4380869 | Electric shaver of reciprocating drive type having trimmer blade | Kenzo Shirakawa, Masao Matsumoto | 1983-04-26 |