OO

Osamu Okumura

SE Seiko Epson: 69 patents #85 of 7,774Top 2%
FC Fujimori Kogyo Co.: 3 patents #18 of 112Top 20%
TC The Lion Fat & Oil Co.: 2 patents #11 of 52Top 25%
MC Mizusawa Industrial Chemicals: 1 patents #47 of 90Top 55%
📍 Chino, JP: #5 of 297 inventorsTop 2%
Overall (All Time): #27,866 of 4,157,543Top 1%
72
Patents All Time

Issued Patents All Time

Showing 51–72 of 72 patents

Patent #TitleCo-InventorsDate
6747714 Liquid crystal display device and electronic apparatus incorporating the liquid crystal display 2004-06-08
6707519 Three state transflective liquid crystal display Tsuyoshi Maeda, Eiji Okamoto, Takumi Seki 2004-03-16
6680765 Liquid crystal device and electronic apparatus Tsuyoshi Maeda, Eiji Okamoto, Takumi Seki 2004-01-20
6678026 Liquid crystal device and electronic apparatus Tsuyoshi Maeda 2004-01-13
6643067 Electro-optical device and electronic apparatus Akira Miyamae, Kimio Nagasaka 2003-11-04
6628357 Liquid crystal device and electronic device Tsuyoshi Maeda, Eiji Okamoto, Takumi Seki 2003-09-30
6373538 Reflection type color liquid crystal device and method for driving the same using a color filter Toshiharu Matsushima, Tsuyoshi Maeda 2002-04-16
6285422 Transflective liquid crystal device with bright reflective display Tsuyoshi Maeda 2001-09-04
6184955 Liquid crystal device and electronic apparatus using it 2001-02-06
6147728 Reflective color LCD with color filters having particular transmissivity Eiji Okamoto, Tsuyoshi Maeda, Toshiharu Matsushima 2000-11-14
6008871 Transflective liquid crystal display device having a reflective polarizer 1999-12-28
RE35799 Reflection-type liquid crystal device with polarization of output light perpendicular to that of input light Tomio Sonehara 1998-05-19
5396355 Optically compensating film, optical compensator and liquid crystal display Hiroshi Wada, Shinji Wada, Rinjiro Ichikawa, Kenji Hashimoto, Takashi Yamada 1995-03-07
5361151 Reflection-type liquid crystal device with polarization of output light perpendicular to that of input light Tomio Sonehara 1994-11-01
5343317 Optically compensating film, optical compensator, and liquid crystal display incorporating the same Hiroshi Wada, Shinji Wada, Rinjiro Ichikawa, Kenji Hashimoto, Takashi Yamada 1994-08-30
5337174 Optical compensator and liquid crystal display Hiroshi Wada, Shinji Wada, Rinjiro Ichikawa, Kenji Hashimoto, Takashi Yamada 1994-08-09
5142393 Electro-optical liquid crystal device with compensator having negative optical anisotropy Motoyuki Toki, Hirosada Horiguchi 1992-08-25
5139340 Single polarizer, reflective type liquid crystal display device with high brightness and contrast ratio 1992-08-18
5035489 Liquid crystal device having two super twisted nematic cells Chiyoaki Iijima, Yuzuru Sato, Hiroshi Wada, Satoshi Kamada 1991-07-30
4784982 Composite phylosilicate adsorbent and process for preparation thereof Kouichi Usui, Masahide Ogawa, Teiji Sato, Kouichi Yamada, Masanori Tanaka +1 more 1988-11-15
4287101 Enzyme-containing detergent composition Hiroshi Nishio, Kazuaki Fukano, Isao Amano 1981-09-01
4239662 Liquid detergent compositions Takenobu Sakatani, Toshinobu Kashiwada, Kiyotaka Tokuyama 1980-12-16