Issued Patents All Time
Showing 26–40 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8081382 | Reflective screen, display device, and mobile apparatus | Kazuo Horiuchi, Haruhiko Okumura, Takashi Sasaki | 2011-12-20 |
| 7965350 | Backlight for liquid crystal display device | Ryuji Tsuchiya, Hirozumi Nakamura, Toshitake Kitagawa | 2011-06-21 |
| 7868285 | Array-type light receiving device and light collection method | Yusaku Konno | 2011-01-11 |
| 7839574 | Head-up display optical film, head-up display, and vehicle | Kazuo Horiuchi, Haruhiko Okumura, Takashi Sasaki | 2010-11-23 |
| 7764334 | Illumination apparatus comprising a light guide plate divided by wedge-shaped grooves having an apex angle of 15 degrees or less and a ratio of depth to thickness in a range of 0.4 to 0.7 | Toshitake Kitagawa | 2010-07-27 |
| 7573193 | Optical device and organic EL display | Satoshi Okutani, Tsuyoshi Uemura, Hirofumi Kubota, Junichi Tonotani, Keiji Suzuki +1 more | 2009-08-11 |
| 7537371 | Backlight device and liquid crystal display device | Toshitake Kitagawa | 2009-05-26 |
| 7410614 | Optical waveguide type iontophoresis sensor chip and method for packaging sensor chip | Kenichi Uchiyama, Ikuo Uematsu, Kayoko Oomiya, Ichiro Tono, Hideo Eto +2 more | 2008-08-12 |
| 7375463 | Optical device and organic EL display | Tsuyoshi Uemura, Satoshi Okutani, Hirofumi Kubota, Muneharu Akiyoshi, Junichi Tonotani | 2008-05-20 |
| 7345319 | Light emitting device | — | 2008-03-18 |
| 6990136 | Laser beam transmission apparatus | Yasuhiro Akiyama, Mitsuo Sasaki, Takashi Obara | 2006-01-24 |
| 6754246 | Laser light source apparatus | — | 2004-06-22 |
| 6190798 | Sealed battery and method of manufacturing the same | Masahiro Kato, Katsuhisa Homma, Kitio Akiyama, Ryuichi Togawa | 2001-02-20 |
| 6174620 | Prismatic sealed battery and method of manufacturing the same | Katsuhisa Homma, Masahiro Kato | 2001-01-16 |
| 6045944 | Battery and method of manufacturing the same | Masahiro Kato, Katsuhisa Homma | 2000-04-04 |