HH

Hitoshi Hirakawa

SP Shinoda Plasma: 20 patents #2 of 23Top 9%
Fujitsu Limited: 11 patents #2,845 of 24,456Top 15%
FL Fujitsu Hitachi Plasma Display Limited: 9 patents #18 of 166Top 15%
HI Hitachi: 5 patents #7,555 of 28,497Top 30%
HC Hitachi Plasma Patent Licensing Co.: 1 patents #21 of 52Top 45%
Overall (All Time): #60,066 of 4,157,543Top 2%
47
Patents All Time

Issued Patents All Time

Showing 26–47 of 47 patents

Patent #TitleCo-InventorsDate
7298086 Plasma tube array Koji Shinohe, Manabu Ishimoto, Kenji Awamoto, Hitoshi Yamada, Akira Tokai +1 more 2007-11-20
7282858 Gas-discharge tube and display apparatus Akira Tokai, Hitoshi Yamada, Manabu Ishimoto, Kenji Awamoto, Yosuke Yamazaki +2 more 2007-10-16
7256538 AC-driven gas discharge display device having plural thin discharge tubes, plural pairs of display electrodes transverse to the thin display tubes and plural signal electrodes transverse to the display electrodes with light-blocking, electrically conductive films between respective pairs of display electrodes Manabu Ishimoto, Kenji Awamoto, Akira Tokai, Koji Shinohe 2007-08-14
7145526 Driving circuit of plasma display panel and plasma display panel Akihiro Takagi, Takashi Shiizaki, Takayuki Shimizu, Noriaki Setoguchi, Tomokatsu Kishi 2006-12-05
7142176 Method of driving plasma display panel Takashi Shiizaki 2006-11-28
7123217 Method for driving plasma display panel Yoshimi Kawanami, Yasuhiko Kunii, Takashi Shiizaki 2006-10-17
7116288 Driving method of plasma display panel and display device Takashi Shiizaki 2006-10-03
7071621 Color plasma display panel with pixels of three colors having adjustable light intensities Fumihiro Namiki, Katsuya Irie, Tadayoshi Kosaka, Kazushige Takagi, Takashi Shiizaki +1 more 2006-07-04
7006060 Plasma display panel and method of driving the same capable of providing high definition and high aperture ratio Yoshikazu Kanazawa, Shigeharu Asao, Shinsuke Tanaka 2006-02-28
7002535 Display apparatus Makoto Onozawa, Yuji Sano, Michitaka Ohsawa, Takashi Sasaki, Noboru Akiyama +4 more 2006-02-21
6940475 Method for driving plasma display panel and plasma display device Takashi Shiizaki, Eiji Ito, Shinsuke Tanaka, Satoru Nishimura 2005-09-06
6903709 Plasma display panel and method of driving the same Tatsuhiko Kawasaki, Takashi Shiizaki, Takashi Sasaki 2005-06-07
6900797 Method for driving PDP and display apparatus Takashi Shiizaki, Tatsuhiko Kawasaki, Satoru Nishimura 2005-05-31
6781564 Display apparatus Makoto Onozawa, Yuji Sano, Michitaka Ohsawa, Takashi Sasaki, Noboru Akiyama +4 more 2004-08-24
6713959 Plasma display panel and method for producing the same Osamu Toyoda, Akira Tokai, Kazunori Inoue, Fumihiro Namiki, Saburou Morita +2 more 2004-03-30
6496166 Display apparatus Makoto Onozawa, Yuji Sano, Michitaka Ohsawa, Takashi Sasaki, Noboru Akiyama +4 more 2002-12-17
6400342 Method of driving a plasma display panel before erase addressing 2002-06-04
6278422 Method of driving plasma display panel and display apparatus Yoshitaka Ukai 2001-08-21
6211614 Electrode structure of an AC type plasma display panel Takashi Katayama, Seiki Kurogi, Hiroyuki Nakahara 2001-04-03
6097358 AC plasma display with precise relationships in regards to order and value of the weighted luminance of sub-fields with in the sub-groups and erase addressing in all address periods Yasushi Yoneda 2000-08-01
6054970 Method for driving an ac-driven PDP Tetsuyoshi Tomioka 2000-04-25
6020687 Method for driving a plasma display panel Nobuyoshi Kondo, Akira Otsuka, Takashi Katayama, Seiki Kurogi, Hiroyuki Nakahara 2000-02-01