Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7037352 | Polishing particle and method for producing polishing particle | Katsura Ito, Hiroshi Saegusa, Tomoyuki Masuda | 2006-05-02 |
| 6567009 | Light control type LED lighting equipment | Masatoshi Ohishi, Toyotaro Tokimoto | 2003-05-20 |
| 6348766 | Led Lamp | Masatoshi Ohishi, Toyotaro Tokimoto | 2002-02-19 |
| 4935039 | Abrasive composition and process for polishing plastic article | Kunihiro Miyazaki, Yoshinobu Yamaguchi | 1990-06-19 |