Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8819946 | Electric shaver | Masanobu Yamasaki, Takeshi Shiba, Shinji Fujimoto, Masaaki Sato, Shunsuke Komori | 2014-09-02 |
| 7832104 | Hair removing apparatus | Masanobu Yamasaki, Toshiyuki Tsushio, Takeshi Shiba | 2010-11-16 |
| 5356415 | Depilating device | Masao Tanahashi, Hidekazu Sueyoshi | 1994-10-18 |
| 5108410 | Depilating device | Masao Tanahashi | 1992-04-28 |
| 4589208 | Portable electric circular saw | Shinji Ihara | 1986-05-20 |