Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9650481 | Protective film for polarizing plate and polarizing plate using the same | Takayuki Shiraishi, Tomokazu Okada | 2017-05-16 |
| 9410023 | Protective film for polarizing plate and polarizing plate using the same | Takayuki Shiraishi, Tomokazu Okada | 2016-08-09 |
| 8408814 | Optical connector | Kazuhiro Takizawa, Daigo Saito | 2013-04-02 |
| 4671564 | Ventilating device for a roof opening of vehicles | Takeshi Kawasaki | 1987-06-09 |