Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8891169 | Optical sheet and display device | Tsuyoshi Kashiwagi, Tetsuya Sadahiro, Hiroyuki Amemiya | 2014-11-18 |
| 7835078 | Reflecting screen, method of manufacturing the same, and reflection-type projection system | Hiroshi Sekiguchi, Jun Horikoshi, Akihide Sano, Takeshi Ogawa | 2010-11-16 |
| 7046406 | Hologram plate and its fabrication process | Keiko Sekine, Hiroshi Kishimoto, Masaki Katsumata, Yoichi Higuchi, Tadatsugu Onuma | 2006-05-16 |
| 6906452 | Electroluminescent display device with substrate having regions with different refractive indexes | — | 2005-06-14 |
| 6842272 | Hologram plate and its fabrication process | Keiko Sekine, Hiroshi Kishimoto, Masaki Katsumata, Yoichi Higuchi, Tadatsugu Onuma | 2005-01-11 |
| 6714329 | Hologram plate and its fabrication process | Keiko Sekine, Hiroshi Kishimoto, Masaki Katsumata, Yoichi Higuchi, Tadatsugu Onuma | 2004-03-30 |
| 6473144 | Liquid crystal display apparatus and liquid crystal projection display apparatus which employ hologram color filter | Tsuyoshi Hotta | 2002-10-29 |
| 6426812 | Hologram color filter, and its fabrication method | Tsuyoshi Hotta, Kenji Ueda | 2002-07-30 |
| 6366369 | Transmission hologram fabrication process | Masachika Watanabe | 2002-04-02 |
| 5737040 | Liquid crystal display apparatus and liquid crystal projection display apparatus which employ hologram color filter | Tsuyoshi Hotta | 1998-04-07 |
| 5506701 | Hologram color filter, liquid crystal display device using the same, and fabrication process of hologram color filter | — | 1996-04-09 |
| 4957980 | Polyester resin composition and hollow molded article thereof | Shigeo Kobayashi, Toshio Hiramatsu, Katsumasa Yamamoto | 1990-09-18 |