Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9266988 | Fumaric acid diester based resin for retardation film and retardation film comprising the same | Shinji Shimosato, Shinsuke Toyomasu, Tohru Doi | 2016-02-23 |
| 8888630 | Oil pump driving mechanism | — | 2014-11-18 |
| 7759451 | Fumaric diester copolymer | Toru Doi | 2010-07-20 |
| 7165448 | Method of checking sprocket attachment and sensor jig used for same | Yuji Takahashi, Manabu Sato | 2007-01-23 |