Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7002662 | Method of producing optical element by patterning liquid crystal films | — | 2006-02-21 |
| 6977099 | Liquid crystalline transfer sheet and process of producing the same | Keiji Kashima, Hideo Fujimura | 2005-12-20 |
| 6906764 | Reflective cholesteric filter | Keiji Kashima, Yukihiro Toyota, Mariko Goto | 2005-06-14 |
| 6816215 | Circular polarization controlling optical element and method of producing the same | — | 2004-11-09 |
| 6693686 | Polarizing element and optical display apparatus including the same | — | 2004-02-17 |