Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8075992 | Perfluoroelastomer articles having good surface properties | Kaori Iwamoto, Bunichi Rai | 2011-12-13 |
| 6946511 | Plasma resistant elastomer parts | Kaori Iwamoto, Bunichi Rai | 2005-09-20 |
| 6830808 | Perfluoroelastomer articles having improved surface properties | Kaori Iwamoto, Bunichi Rai | 2004-12-14 |
| 6503972 | White elastomer seal materials and a process for manufacture thereof | Bunichi Rai | 2003-01-07 |
| 5050852 | Blank feeder and method for controlling the same | Tetsuya Sawada, Hidetoshi Hoshiyama, Ikuo Yoshimoto | 1991-09-24 |