AH

Atsushi Hirama

LC Lapis Semiconductor Co.: 12 patents #15 of 349Top 5%
OC Oki Semiconductor Co.: 7 patents #9 of 526Top 2%
OC Oki Electric Industry Co.: 3 patents #700 of 2,807Top 25%
LC Lapis Technology Co.: 1 patents #13 of 50Top 30%
Overall (All Time): #182,133 of 4,157,543Top 5%
23
Patents All Time

Issued Patents All Time

Showing 1–23 of 23 patents

Patent #TitleCo-InventorsDate
11769438 Display driver and display apparatus Takuro Kotaki, Hiroshi Tsuchi 2023-09-26
10818218 Display driver and semiconductor device Koya Sugihara 2020-10-27
10665164 Display driver and semiconductor device Koji Yamazaki 2020-05-26
10621919 Display driver and semiconductor device Koji Yamazaki 2020-04-14
10199000 Source driver IC chip Kenichi Shiibayashi, Koji Higuchi 2019-02-05
9799265 Display drive circuit including an output terminal 2017-10-24
9589501 Display drive circuit including an output terminal 2017-03-07
9570011 Source driver IC chip Kenichi Shiibayashi, Koji Higuchi 2017-02-14
9406279 Source driver IC chip Kenichi Shiibayashi, Koji Higuchi 2016-08-02
9208716 Display drive circuit including an output terminal 2015-12-08
9202425 Device circuit and display apparatus having operational amplifiers with parasitic diodes Hideaki Hasegawa, Koji Higuchi 2015-12-01
9099026 Source driver IC chip Kenichi Shiibayashi, Koji Higuchi 2015-08-04
8736595 Driving device and driving method for image display device 2014-05-27
8605070 Operational amplifier and display panel driving device Manabu Nishimizu, Koji Higuchi 2013-12-10
8587507 Driving circuit and display apparatus having operational amplifiers with parasitic diodes Hideaki Hasegawa, Koji Higuchi 2013-11-19
8514159 Liquid crystal drive device 2013-08-20
8384643 Drive circuit and display device Hideaki Hasegawa, Kunihiro HARAYAMA, Koji Higuchi 2013-02-26
8040315 Device for driving a display panel with sequentially delayed drive signal 2011-10-18
7948278 Load capacity driving circuit Hideaki Hasegawa, Koji Higuchi, Koji Yamazaki 2011-05-24
7505019 Drive circuit 2009-03-17
7362300 Output circuit, liquid crystal driving circuit, and liquid crystal driving method 2008-04-22
7295142 Digital-to-analog converter with short integration time constant 2007-11-13
7129877 Digital-to-analog converter with switched capacitor network Haisong Wang, Toshio Teraishi, Takashi Honda, Shiming Lan 2006-10-31