Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6566286 | Polished-piece holder | Tooru Sakaguchi | 2003-05-20 |
| 6291373 | Polished-piece holder | Tooru Sakaguchi | 2001-09-18 |
| 5358781 | Heat insulating plate comprising synthetic paper sheets and metal films | Takeo Sakai | 1994-10-25 |
| 5229508 | Process for the preparation of copper phthalocyanine pigment | Toshimitsu Ikegaya, Yusaku Ide, Michichika Hikosaka | 1993-07-20 |