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 1–25 of 47 patents

Patent #TitleCo-InventorsDate
12429190 Ultraviolet radiation apparatus Tsutae Shinoda, Kenji Awamoto, Takefumi Hidaka, Junichiro Takahashi, Tetsuya Makino +2 more 2025-09-30
11011367 Light-emitting tube array-type light source device Tsutae Shinoda, Kenji Awamoto, Takefumi Hidaka, Junichiro Takahashi, Tetsuya Makino 2021-05-18
10128100 Drive method and drive circuit for light-emitting device using gas discharge, and ultraviolet irradiation device Tsutae Shinoda, Kenji Awamoto, Junichiro Takahashi, Takefumi Hidaka 2018-11-13
9947526 Gas discharge device and flat light source using the same, and driving method therefor Tsutae Shinoda, Kenji Awamoto, Bingang Guo, Takefumi Hidaka, Junichiro Takahashi 2018-04-17
8816938 Large-scale display device Hiroaki Tamura, Koji Shinohe, Yoshio Shibukawa, Takamitsu Bunno, Kenji Awamoto +2 more 2014-08-26
8330676 Plasma tube array-type display device and luminance correcting method Koji Shinohe, Koji Kishimoto, Tetsuya Makino, Kenji Awamoto 2012-12-11
8310606 Display device Katsuhiko Itamasu, Koji Kishimoto, Koji Shinohe, Manabu Ishimoto, Kenji Awamoto 2012-11-13
8305292 Large-scale display device Hiroaki Tamura, Koji Shinohe, Yoshio Shibukawa, Takamitsu Bunno, Tetsuya Makino +2 more 2012-11-06
8207911 Display device Manabu Ishimoto, Kenji Awamoto 2012-06-26
8093812 Plasma tube array-type display sub-module and display device Tetsuya Makino, Koji Shinohe, Kenji Awamoto 2012-01-10
8089210 Plasma tube array-type display sub-module and display device Koji Shinohe, Takamitsu Bunno, Yoshio Shibukawa, Bingang Guo, Naganori Tsutsui +1 more 2012-01-03
8076850 Light emitting tube array, display device employing the light emitting tube array, and method of producing the light emitting tube array Yoshio Shibukawa, Koji Shinohe, Kenji Awamoto 2011-12-13
7902735 Gas discharge tube, and display device having gas discharge tube arrays Bingang Guo, Manabu Ishimoto, Yosuke Yamazaki, Kenji Awamoto 2011-03-08
7880374 Display device including gas discharge tubes sandwiched between a front support member and rear support members Akira Tokai, Manabu Ishimoto, Yosuke Yamazaki, Koji Shinohe, Kenji Awamoto 2011-02-01
7816850 Display device including gas discharge tubes, and method of manufacturing display device Manabu Ishimoto, Kenji Awamoto 2010-10-19
7746297 Gas discharge display method using both surface and opposing discharges separately to emit light in the sustain period Manabu Ishimoto, Kenji Awamoto 2010-06-29
7656082 Color display device Manabu Ishimoto, Kenji Awamoto, Hitoshi Yamada, Akira Tokai 2010-02-02
7639213 Driving circuit of plasma display panel and plasma display panel Akihiro Takagi, Takashi Shiizaki, Takayuki Shimizu, Noriaki Setoguchi, Tomokatsu Kishi 2009-12-29
7629733 Display device having plurality of curved gas discharge tubes Manabu Ishimoto, Yosuke Yamazaki, Hitoshi Yamada, Akira Tokai, Koji Shinohe +1 more 2009-12-08
7479736 Display device with varying phosphor structure Koji Shinohe, Manabu Ishimoto, Kenji Awamoto, Hitoshi Yamada, Akira Tokai +1 more 2009-01-20
7436375 Method for driving plasma display panel Manabu Ishimoto, Kenji Awamoto 2008-10-14
7423614 Method for driving plasma display panel Manabu Ishimoto, Kenji Awamoto 2008-09-09
7371508 Plasma display panel and method for fabricating the same Osamu Toyoda, Akira Tokai, Kazunori Inoue, Fumihiro Namiki, Saburou Morita +2 more 2008-05-13
7336027 Plasma tube array and gas discharge tube Yosuke Yamazaki, Manabu Ishimoto, Hitoshi Yamada, Akira Tokai, Koji Shinohe +1 more 2008-02-26
7315121 Arc tube array-type display device and driving method thereof Manabu Ishimoto, Kenji Awamoto 2008-01-01