Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10186607 | Power semiconductor device including a semiconductor switching element | Kenji Hatori, Tetsuo Motomiya | 2019-01-22 |
| 8772400 | Polyvinyl alcohol-based film for optical use, polarizing film, and polarizing plate | Katsuhiko Katsuma, Mitsuo Shibutani, Toshihiro Shimizu | 2014-07-08 |
| 7754318 | Water-soluble film | Tomoyoshi Mizutani, Mitsuhiro Hasegawa | 2010-07-13 |