Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7357661 | Pressure coupling connector | Toshihiro Yamamoto, Norimasa Kaji, Hirohisa Tanaka, Hidetoshi Takeyama, Shuji Katou | 2008-04-15 |
| 6568083 | Dry shaver with a height adjustable cutter head | Fumio Taniguchi, Toshiyuki Tsushio, Yasunori Ueda, Masanobu Yamasaki, Takeshi Shiba +5 more | 2003-05-27 |