Issued Patents All Time
Showing 1–25 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10955736 | Screen, display apparatus, screen use method, particle, particle layer, particle sheet, and light control sheet | Makio Kurashige, Kaori NAKATSUGAWA, Kazutoshi Ishida, Hiroyuki Honda, Shogo KUBOTA | 2021-03-23 |
| 10634986 | Screen, display apparatus, screen use method, particle, particle layer, particle sheet, and light control sheet | Makio Kurashige, Kaori NAKATSUGAWA, Kazutoshi Ishida, Hiroyuki Honda, Shogo KUBOTA | 2020-04-28 |
| 8982288 | Fabrication process for cholesteric liquid crystal media having a volume hologram | Masachika Watanabe, Koji Eto, Tsuyoshi Yamauchi | 2015-03-17 |
| 8808945 | Fabrication process for cholesteric liquid crystal media having a volume hologram | Masachika Watanabe, Koji Eto, Tsuyoshi Yamauchi | 2014-08-19 |
| 8134660 | Optical diffusion device, projection screen, design member and security medium | Masachika Watanabe, Minoru Azakami | 2012-03-13 |
| 7909364 | Indicator for indicating authenticity | Masachika Watanabe, Minoru Azakami, Tsuyoshi Yamauchi, Koji Eto | 2011-03-22 |
| 7787080 | Reflecting element and projection system comprising the same | — | 2010-08-31 |
| 7719762 | Transmitting-reflecting projection screen, and projection system comprising the same | Tomoko Kumasawa, Masachika Watanabe, Tsuyoshi Yamauchi | 2010-05-18 |
| 7706037 | Fabrication process for cholesteric liquid crystal media having a volume hologram | Masachika Watanabe, Koji Eto, Tsuyoshi Yamauchi | 2010-04-27 |
| 7595099 | Method of producing anisotropic optical element | Hiroyuki Nishimura, Takanori Aono, Takuya Yamazaki | 2009-09-29 |
| 7583341 | Anisotropic optical element | — | 2009-09-01 |
| 7545545 | Fabrication process for cholesteric liquid crystal media having a volume hologram | Masachika Watanabe, Koji Eto, Tsuyoshi Yamauchi | 2009-06-09 |
| 7365906 | Projection screen and projection system containing same | — | 2008-04-29 |
| 7274427 | Method of producing optical element by patterning liquid crystal films | — | 2007-09-25 |
| 7206130 | Projection screen and projection system comprising the same | — | 2007-04-17 |
| 7193777 | Projection screen and projection system comprising the same | — | 2007-03-20 |
| 7161737 | Projection screen and projection system comprising the same | — | 2007-01-09 |
| 7158299 | Projection screen and projection system comprising the same | — | 2007-01-02 |
| 7158297 | Projection screen and projection system comprising the same | — | 2007-01-02 |
| 7142360 | Projection screen and projection system containing same | — | 2006-11-28 |
| 7123409 | Projection screen and projection system comprising the same | — | 2006-10-17 |
| 7123410 | Projection screen and projection system comprising the same | — | 2006-10-17 |
| 7118795 | Process of producing optical element and optical element | Kouji Ishizaki | 2006-10-10 |
| 7075598 | Circularly polarizing element having multiple low reflectance cholesteric liquid crystal layers and process for producing the same | — | 2006-07-11 |
| 7057813 | Projection screen and projection system comprising the same | Masahiro Hatano, Akira Izawa | 2006-06-06 |