Issued Patents All Time
Showing 26–50 of 56 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11261043 | Sheet processing device, sheet laminator, image forming apparatus, and image forming system | Tomohiro Furuhashi, Wataru Takahashi, Sho ASANO, Shinya MONMA, Joji Akiyama +5 more | 2022-03-01 |
| 10180575 | Image display apparatus | Tohru Kawakami, Mutsumi Sasai, Toshiyuki Araki, Masaru Ohira | 2019-01-15 |
| 9939127 | Illumination device | Tatsuo Uchida, Tohru Kawakami, Takahiro Ishinabe, Katsunori Ehara, Yoshihiro Hashimoto +6 more | 2018-04-10 |
| 9807267 | Automatic document feeder, image forming device, and image reading device | Hiroshi Kubo, Norio Kimura, Shinya Kitaoka, Atsushi Kanaya | 2017-10-31 |
| 9310619 | Optical film | Tatsuo Uchida, Tohru Kawakami, Kazuo Sekiya, Masahiro Nishizawa, Takahiro Ishinabe +5 more | 2016-04-12 |
| 9217552 | Illumination device | Tatsuo Uchida, Tohru Kawakami, Takahiro Ishinabe, Katsunori Ehara, Yoshihiro Hashimoto +5 more | 2015-12-22 |
| 9122097 | Backlight system and LCD device using the same | Tatsuo Uchida, Tohru Kawakami, Kazuo Sekiya, Masahiro Nishizawa, Takahiro Ishinabe +6 more | 2015-09-01 |
| 9075376 | Automatic document feeder and image forming apparatus including the same | Hiroaki Utagawa, Hiroshi Kubo, Shinya Kitaoka, Takehisa Shimazu, Takeshi Akai +3 more | 2015-07-07 |
| 8925913 | Sheet conveying device, image reading device, and image forming apparatus | Hiroshi Kubo, Shinya Kitaoka, Takehisa Shimazu, Takeshi Akai, Takuma Ariga +9 more | 2015-01-06 |
| 8922735 | Backlight system and liquid crystal display device using the same | Tatsuo Uchida, Tohru Kawakami, Kazuo Sekiya, Masahiro Nishizawa, Takahiro Ishinabe +5 more | 2014-12-30 |
| 8896891 | Document conveying device, image reading device, and image forming apparatus | Fumiyuki Heishi, Hiroshi Kubo, Takashi Fujii, Shinya Kitaoka, Takeshi Akai +9 more | 2014-11-25 |
| 8810752 | Thin backlight system and liquid crystal display device using the same | Tatsuo Uchida, Tohru Kawakami, Kazuo Sekiya, Takahiro Ishinabe, Baku Katagiri +4 more | 2014-08-19 |
| 8792053 | Image processing apparatus, image processing method, and program | Shigeo Fujishiro, Eiji Ozeki, Kazuhiro Takahashi, Takayoshi Fujiwara | 2014-07-29 |
| 8780444 | Screen and projection system | Osamu Arakawa, Hiroyuki Shindo, Toshiaki Hashizume, Tatsuo Uchida, Baku Katagiri | 2014-07-15 |
| 8743431 | Sheet conveying device, image reading device, and image forming device | Kenji Hayasaka, Hiroshi Kubo, Shinya Kitaoka, Takehisa Shimazu, Takeshi Akai +10 more | 2014-06-03 |
| 8736926 | Sheet conveyance device, and image forming apparatus and image reading device including same | Hideki Tobinaga, Atsushi Kanaya, Shinya Kitaoka, Norio Kimura, Mamoru Kambayashi +2 more | 2014-05-27 |
| 8654442 | Refelctive front screen | Tatsuo Uchida, Baku Katagiri, Toshiaki Hashizume, Hiroyuki Shindo, Osamu Arakawa | 2014-02-18 |
| 8641035 | Sheet conveying apparatus, image reading apparatus, and image forming apparatus | Mamoru Kambayashi, Hideki Tobinaga, Shinya Kitaoka, Atsushi Kanaya, Norio Kimura +2 more | 2014-02-04 |
| 8636275 | Automatic document feeder and image forming apparatus including the same | Mamoru Kambayashi, Motoya Sano, Hideki Tobinaga, Shinya Kitaoka, Atsushi Kanaya +2 more | 2014-01-28 |
| 8444135 | Sheet conveyance device, and image forming apparatus and image reading unit including same | Kenichiro Morita, Hideki Tobinaga, Shinya Kitaoka, Mamoru Kambayashi, Michitaka Suzuki +2 more | 2013-05-21 |
| 8199278 | Surface light source device | Tatsuo Uchida, Tohru Kawakami, Takahiro Ishinabe, Baku Katagiri, Yoshihiro Hashimoto +3 more | 2012-06-12 |
| 8054404 | Surface light source device | Tatsuo Uchida, Tohru Kawakami, Takahiro Ishinabe, Baku Katagiri, Yoshihiro Hashimoto +3 more | 2011-11-08 |
| 8040158 | Frequency difference detection apparatus and method, frequency discrimination apparatus and method, and frequency synthesis apparatus and method | — | 2011-10-18 |
| 7515211 | Video signal processing circuit, video signal display apparatus, and video signal recording apparatus | Masako Asamura, Toshihiro Gai, Koji Minami, Masaki Yamakawa | 2009-04-07 |
| 6940934 | Synchronizing signal processing circuit | Kouji Minami | 2005-09-06 |