Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10851180 | Polymer material, film, circular polarizing plate, image display apparatus, and manufacturing method for film | Ryutaro Mukai, Hiroto Koma, Takahiro Yasumoto, Tomohiro Abo | 2020-12-01 |
| 8580069 | Plastic bonding method | Tatsufumi Watanabe, Junichi Tanaka, Atsushi Nagasawa, Shinji Hiramatsu | 2013-11-12 |
| 8477267 | Light-condensing film, liquid-crystal panel and backlight as well as manufacturing process for light-condensing film | Tokuo Ikari, Kazuo Genda, Atsushi Kumano, Noboru Oshima, Yoshiki Matsuoka +12 more | 2013-07-02 |
| 7952802 | Optical device provided with polarizing plate | Hirofumi Tanabe, Tatsufumi Watanabe | 2011-05-31 |
| 7852435 | Light-condensing film, liquid-crystal panel and backlight as well as manufacturing process for light-condensing film | Tokuo Ikari, Kazuo Genda, Atsushi Kumano, Noboru Oshima, Yoshiki Matsuoka +12 more | 2010-12-14 |
| 6992831 | Lens sheet and method for producing it | Atsushi Nagasawa, Takahiro Kitano, Junichi Tanaka, Tatsufumi Watanabe | 2006-01-31 |
| 6798576 | Lens sheet and method for producing it | Atsushi Nagasawa, Takahiro Kitano, Junichi Tanaka, Tatsufumi Watanabe | 2004-09-28 |
| 6610372 | Method of curing a mixture comprising an ionizing radiation curing resin, and surface modifying technique | Atsushi Nagasawa, Takahiro Kitano, Keiji Kubo | 2003-08-26 |
| 6425675 | Planar light source and display device using the same | Ikuo Onishi, Isao Hamashima, Shinji Hiramatsu, Yoichi Hashimoto | 2002-07-30 |
| 6086212 | Panel light source device and display comprising it | Ikuo Onishi, Rikuji Watanabe, Toshiyuki Yoshikawa | 2000-07-11 |
| 6067137 | Image display apparatus with hydrophobic diffraction grating for an enlarged viewing angle | Ikuo Ohnishi, Rikuji Watanabe, Katsuhiko Hayashi | 2000-05-23 |
| 6002464 | Light diffusing sheet having a layer incorporated with light diffusing material and a layer with a corrugated surface | Rikuji Watanabe, Ikuo Ohnishi, Katsuhiko Hayashi | 1999-12-14 |
| 5754342 | Video device utilizing a two-dimensional diffraction grating | Ikuo Ohnishi | 1998-05-19 |
| 5513025 | Image display apparatus | Rikuji Watanabe, Ikuo Onishi | 1996-04-30 |
| 5467224 | Optical low pass filter and imaging device using the same | Ikuo Ohnishi | 1995-11-14 |
| 4998800 | Optical low pass filter | Yasuaki Nishida, Yoshihiro Fujita, Masao Fujiwara, Shigeo Yoshikawa, Masao Uetsuki | 1991-03-12 |
| 4842969 | Transmittance modulation photomask, process for producing the same, and process for producing diffraction gratings using the same | Nobuhiro Kawatsuki, Ichiro Matsuzaki, Masao Uetsuki | 1989-06-27 |