HS

Hirotsugu Sakamoto

JD Japan Display: 14 patents #261 of 1,204Top 25%
HI Hitachi: 6 patents #6,582 of 28,497Top 25%
HC Hitachi Device Engineering Co.: 6 patents #68 of 514Top 15%
HD Hitachi Displays: 5 patents #194 of 752Top 30%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
PA Panasonic: 1 patents #13,264 of 21,108Top 65%
Overall (All Time): #152,526 of 4,157,543Top 4%
26
Patents All Time

Issued Patents All Time

Showing 1–25 of 26 patents

Patent #TitleCo-InventorsDate
12185605 Display device Kouhei Takahashi, Takeshi Ookawara, Toshihiro Sato 2024-12-31
11825716 Display device Kouhei Takahashi, Takeshi Ookawara, Toshihiro Sato 2023-11-21
11329123 Display device Kouhei Takahashi, Takeshi Ookawara, Toshihiro Sato 2022-05-10
10707294 Display device Kouhei Takahashi, Takeshi Ookawara, Toshihiro Sato 2020-07-07
10347708 OLED display panel and manufacturing method thereof Kouhei Takahashi, Takeshi Ookawara, Toshihiro Sato 2019-07-09
9831299 OLED display panel and manufacturing method thereof Kouhei Takahashi, Takeshi Ookawara, Toshihiro Sato 2017-11-28
9673260 Organic electroluminescent display device with an upper electrode in contact with a lower electrode Hiroshi Oooka, Toshihiro Sato 2017-06-06
9590212 Organic EL display device and method for manufacturing the organic EL display device Yuko Matsumoto 2017-03-07
9525018 OLED display panel and manufacturing method thereof Kouhei Takahashi, Takeshi Ookawara, Toshihiro Sato 2016-12-20
9466817 Method of manufacturing a display device Masakazu Gunji 2016-10-11
9391122 Organic EL display device Hiroshi Oooka, Toshihiro Sato 2016-07-12
9385176 OLED display panel and manufacturing method thereof Kouhei Takahashi, Takeshi Ookawara, Toshihiro Sato 2016-07-05
9224977 Method of manufacturing organic electroluminescent display device Takeshi Ookawara 2015-12-29
9076985 Display device and method for producing the same Hiroshi Oooka, Takeshi Ookawara, Kouhei Takahashi, Yuko Matsumoto 2015-07-07
8076843 Organic electroluminescence display device Hiroshi Oooka, Takeshi Ookawara 2011-12-13
7830341 Organic electroluminescence display device Hiroshi Oooka, Masamitsu Furuie, Takeshi Ookawara 2010-11-09
7710015 Self-emitting display Noriharu Matsudate 2010-05-04
7705531 Organic electroluminescent display device with a light shielding member arranged on an end wall face of a periphery of the substrate Masamitsu Furuie, Shinichi Kato, Masaaki Okunaka, Masato Ito 2010-04-27
7423865 Display device and apparatus Hiroshi Oooka, Masamitsu Furuie 2008-09-09
6661186 Color cathode ray tube, driving circuit therefor, color image reproducing device employing the driving circuit, and color image reproducing system including the color image reproducing device Tomoki Nakamura, Shinichi Kato, Syoji Shirai 2003-12-09
6646371 Color cathode ray tube having a high-resolution electron gun Kenichi Watanabe, Shinichi Kato 2003-11-11
6522058 Color cathode ray tube Tomoki Nakamura, Shinichi Kato 2003-02-18
6515410 Color cathode ray tube Tomoki Nakamura, Shinichi Kato 2003-02-04
6492766 Color cathode ray tube with wide deflection angle Mamoru Tsuzurahara, Kenichi Watanabe, Syouji Shirai, Shinichi Kato, Go Uchida 2002-12-10
6407518 Moire-reduced color display device including a color cathode ray tube Hiroshi Sasaki, Kenichi Watanabe, Shinichi Kato 2002-06-18