HJ

Hiroaki Jo

SE Seiko Epson: 28 patents #549 of 7,774Top 8%
Overall (All Time): #138,874 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 1–25 of 28 patents

Patent #TitleCo-InventorsDate
10114508 Display device and communication method 2018-10-30
8710895 Level-shift circuit, electro-optical device, and level shift method 2014-04-29
8537078 Pixel circuit, driving circuit, light emitting apparatus, electronic apparatus and driving method of pixel circuit 2013-09-17
8094097 Data line driving circuit, electro-optical device, data line driving method, and electronic apparatus Toshiyuki Kasai, Takeshi Nozawa, Hiroshi Horiuchi 2012-01-10
8077125 Light-emitting device and image forming apparatus Shinsuke Fujikawa 2011-12-13
8004174 Light-emitting device and electronic apparatus 2011-08-23
7999269 Light emitting apparatus and electronic device Toshiaki Miyao 2011-08-16
7942547 Light emitting device and electronic apparatus 2011-05-17
7932876 Electro-optical device, method of driving the same, and electronic apparatus Toshiyuki Kasai, Hiroshi Horiuchi, Takeshi Nozawa 2011-04-26
7924457 Electro-optical device that includes a plurality of driving transistors turned on and off in accordance with a plurality of pulse width modulation signals 2011-04-12
7902559 Light emitting device and electronic apparatus Tsukasa Eguchi, Eiji Kanda, Toshiyuki Kasai, Atsushi Ito 2011-03-08
7898688 Electro-optical device controlling driving current to each electro-optical element to alleviate variation of intensity Shinsuke Fujikawa 2011-03-01
7760163 Electro-optical device, drive circuit, driving method, and electronic apparatus 2010-07-20
7714883 Optical head, control method thereof, and image forming apparatus Shinsuke Fujikawa 2010-05-11
7692611 Electro-optical device, driving method therefor, and electronic apparatus Hiroshi Horiuchi, Toshiyuki Kasai 2010-04-06
7623108 Electro-optical device, driving circuit and driving method thereof, and electronic apparatus Toshiyuki Kasai, Hiroshi Horiuchi, Takeshi Nozawa 2009-11-24
7542031 Current supply circuit, current supply device, voltage supply circuit, voltage supply device, electro-optical device, and electronic apparatus Toshiyuki Kasai 2009-06-02
7502002 Pixel circuit, electro-optical device, and electronic apparatus Hiroshi Horiuchi 2009-03-10
7486285 DA converter, data line driving circuit, electro-optical device, driving method thereof, and electronic apparatus Toshiyuki Kasai 2009-02-03
7453383 Digital-to-analog converting circuit, electrooptical device, and electronic apparatus 2008-11-18
7443540 Electro-optical device, method of driving the same, data line driving circuit, signal processing circuit, and electronic apparatus Toshiyuki Kasai, Takeshi Nozawa, Hiroshi Horiuchi 2008-10-28
7375711 Electro-optical device, method of driving the same and electronic apparatus Hiroshi Horiuchi, Toshiyuki Kasai 2008-05-20
7348942 Electro-optical device, method of driving electro-optical device, and electronic apparatus 2008-03-25
7319444 Pixel circuit, electro-optical device, and electronic apparatus 2008-01-15
7286122 Electronic device, element substrate, electro-optical device, method of producing the electro-optical device, and electronic apparatus 2007-10-23