HM

Haruo Matsumaru

HI Hitachi: 25 patents #1,255 of 28,497Top 5%
HD Hitachi Denshi: 2 patents #77 of 275Top 30%
NP Nippon Telegraph And Telephone Public: 1 patents #297 of 842Top 40%
Overall (All Time): #165,852 of 4,157,543Top 4%
25
Patents All Time

Issued Patents All Time

Showing 1–25 of 25 patents

Patent #TitleCo-InventorsDate
6226059 Active matrix display device using aluminum alloy in scanning signal line or video signal line Hideaki Yamamoto, Tetsuaki Suzuki, Mitsuo Nakatani, Michio Tsukii, Akira Sasano +2 more 2001-05-01
5889573 Thin film transistor substrate, manufacturing method thereof, liquid crystal display panel and liquid crystal display equipment Hideaki Yamamoto, Yasuo Tanaka, Ken Tsutsui, Toshihisa Tsukada, Kazuo Shirahashi +2 more 1999-03-30
5781255 Active matrix display device using aluminum alloy in scanning signal line or video signal line Hideaki Yamamoto, Tetsuaki Suzuki, Mitsuo Nakatani, Michio Tsukii, Akira Sasano +2 more 1998-07-14
5719408 Thin film transistor substrate, manufacturing method thereof, liquid crystal display panel and liquid crystal display equipment Hideaki Yamamoto, Yasuo Tanaka, Ken Tsutsui, Toshihisa Tsukada, Kazuo Shirahashi +2 more 1998-02-17
5672523 Thin film transistor substrate, manufacturing method thereof, liquid crystal display panel and liquid crystal display equipment Hideaki Yamamoto, Yasuo Tanaka, Ken Tsutsui, Toshihisa Tsukada, Kazuo Shirahashi +2 more 1997-09-30
5671027 LCD device with TFTs in which pixel electrodes are formed in the same plane as the gate electrodes with anodized oxide films and before the deposition of the silicon gate insulator Akira Sasano, Kazuo Shirahashi, Yuka Matsukawa, Hideaki Taniguchi, Hideaki Yamamoto 1997-09-23
5610738 Method for making LCD device in which gate insulator of TFT is formed after the pixel electrode but before the video signal line Akira Sasano, Kazuo Shirahashi, Yuka Matsukawa, Hideaki Taniguchi, Hideaki Yamamoto 1997-03-11
5600460 Method of repairing a signal line open circuit by connecting each side of the signal line to an adjacent pixel electrode Hideaki Yamamoto, Mitsuo Nakatani, Susumu Niwa 1997-02-04
5589962 Active matrix display device using aluminum alloy in scanning signal line or video signal line Hideaki Yamamoto, Tetsuaki Suzuki, Mitsuo Nakatani, Michio Tsukii, Akira Sasano +2 more 1996-12-31
5585290 Method of manufacturing a thin film transistor substrate Hideaki Yamamoto, Yasuo Tanaka, Ken Tsutsui, Toshihisa Tsukada, Kazuo Shirahashi +2 more 1996-12-17
5530568 Matrix liquid crystal, display device having testing pads of transparent conductive film Hideaki Yamamoto, Kazuo Shirahashi, Michio Tsukii 1996-06-25
5402254 Liquid crystal display device with TFTS in which pixel electrodes are formed in the same plane as the gate electrodes with anodized oxide films before the deposition of silicon Akira Sasano, Kazuo Shirahashi, Yuka Matsukawa, Hideaki Taniguchi, Hideaki Yamamoto 1995-03-28
5359206 Thin film transistor substrate, liquid crystal display panel and liquid crystal display equipment Hideaki Yamamoto, Yasuo Tanaka, Ken Tsutsui, Toshihisa Tsukada, Kazuo Shirahashi +2 more 1994-10-25
5285301 Liquid crystal display device having peripheral dummy lines Kazuo Shirahashi, Yuka Matsukawa, Akira Sasano, Hideaki Taniguchi, Hideaki Yamamoto 1994-02-08
5200634 Thin film phototransistor and photosensor array using the same Toshihisa Tsukada, Yoshiyuki Kaneko, Hideaki Yamamoto, Norio Koike, Ken Tsutsui +1 more 1993-04-06
5177577 Liquid crystal display device with TFT's each including a Ta gate electrode and an anodized Al oxide film Hideaki Taniguchi, Kazuo Shirahashi, Yuka Matsukawa, Akira Sasano 1993-01-05
5032531 Method of manufacturing active matrix panel Ken Tsutsui, Toshihisa Tsukada, Hideaki Yamamoto, Yasuo Tanaka 1991-07-16
4990981 Thin film transistor and a liquid crystal display device using same Yasuo Tanaka, Hideaki Yamamoto, Toshihisa Tsukada, Ken Tsutsui, Yoshiyuki Kaneko 1991-02-05
4855795 Photosensor Hideaki Yamamoto, Akira Sasano, Yasuo Tanaka, Toshihisa Tsukada 1989-08-08
4407010 Solid state image pickup device Toru Baji, Toshihisa Tsukada, Norio Koike, Toshiyuki Akiyama, Iwao Takemoto +3 more 1983-09-27
4395629 Solid-state color imager and method of manufacturing the same Akira Sasano, Toshio Nakano, Ken Tsutsui, Michiaki Hashimoto, Tadao Kaneko +2 more 1983-07-26
4285007 Color solid-state imager and method of making the same Toshio Nakano, Tadao Kaneko, Michiaki Hashimoto, Yoshio Hatano, Akira Sasano +1 more 1981-08-18
4273812 Method of producing material patterns by evaporating material through a perforated mask having a reinforcing bridge Ken Tsutsui, Akira Sasano, Toshio Nakano, Eiichi Maruyama 1981-06-16
4227078 Photo-sensor Hideaki Yamamoto, Makoto Matsui, Toshihisa Tsukada, Tadaaki Hirai, Eiichi Maruyama 1980-10-07
4206384 Image pick-up tube target having transparent conductive strips with shallow sides Akira Sasano, Toshio Nakano, Ken Tsutsui, Tadaaki Hirai, Eiich Maruyama 1980-06-03