Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8518474 | Method for producing iodine type polarizing film | Koji Matsumoto, Narutoshi Hayashi | 2013-08-27 |
| 8012383 | Method for producing polarizing film | Koji Matsumoto, Narutoshi Hayashi | 2011-09-06 |
| 6204903 | Reflector, reflective polarizing plate and reflective liquid crystal display | Narutoshi Hayashi | 2001-03-20 |
| 6166793 | Reflective liquid crystal display with angularly selective light diffuser directly on reflector | Narutoshi Hayashi | 2000-12-26 |
| 5639579 | Photosensitive colored resin composition, colored image formation method of color filter, and formation method of black matrix | Keiichi Hayashi, Keiji Ishii, Hideo Kikuchi | 1997-06-17 |