Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10948764 | Method for improving visibility of liquid crystal display device, and liquid crystal display device using the same | Yasuhiro Koike | 2021-03-16 |
| 10054816 | Method for improving visibility of liquid crystal display device, and liquid crystal display device using same | Yasuhiro Koike | 2018-08-21 |
| 9798068 | Illumination module | Yasuhiro Koike, Keiichi Mochizuki, Takashi Iwamoto, Kazumasa Osumi | 2017-10-24 |
| 8435610 | Copolymer of (meth)acrylic ester, composition, optical element and electric member | Yasuhiro Koike, Yoshiyuki Okamoto | 2013-05-07 |
| 6277330 | Optical sensor for detecting chemical substances dissolved or dispersed in water | Yuan Liu, Hironobu Yamamoto | 2001-08-21 |