Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8657888 | Oxidation hair dye composition | Tomoya Tanaka, Masashi Watanabe, Takako Ishii | 2014-02-25 |
| D325155 | Power chainsaw motor housing | Akira Nagashima, Hiroaki Koga, Akira Sato | 1992-04-07 |