Inventor · disambiguated record
Atsushi Hirama
Also filed as: HIRAMA ATSUSHI
23 granted patents·5 pending applications·70 citations·filing 2004–2022
94Inventor score
Files withLAPIS SEMICONDUCTOR CO LTD11OKI ELECTRIC IND CO LTD5OKI SEMICONDUCTOR CO LTD5HIRAMA ATSUSHI3HASEGAWA HIDEAKI1
Top patents by PatentIndex Score
28 records- 0192US9099026B2Source driver IC chipLAPIS SEMICONDUCTOR CO LTD·Filed 2013·Granted Aug 4, 2015·8 cites·11 claims
- 0289US8587507B2Driving circuit and display apparatus having operational amplifiers with parasitic diodesHASEGAWA HIDEAKI·Filed 2011·Granted Nov 19, 2013·7 cites·19 claims
- 0387US10199000B2Source driver IC chipLAPIS SEMICONDUCTOR CO LTD·Filed 2016·Granted Feb 5, 2019·3 cites·6 claims
- 0487US9570011B2Source driver IC chipLAPIS SEMICONDUCTOR CO LTD·Filed 2016·Granted Feb 14, 2017·3 cites·7 claims
- 0586US9589501B2Display drive circuit including an output terminalLAPIS SEMICONDUCTOR CO LTD·Filed 2015·Granted Mar 7, 2017·3 cites·17 claims
- 0676US7362300B2Output circuit, liquid crystal driving circuit, and liquid crystal driving methodOKI ELECTRIC IND CO LTD·Filed 2004·Granted Apr 22, 2008·17 cites·13 claims
- 0775US8040315B2Device for driving a display panel with sequentially delayed drive signalOKI SEMICONDUCTOR CO LTD·Filed 2006·Granted Oct 18, 2011·3 cites·7 claims
- 0873US8605070B2Operational amplifier and display panel driving deviceNISHIMIZU MANABU·Filed 2009·Granted Dec 10, 2013·3 cites·12 claims
- 0971US9406279B2Source driver IC chipLAPIS SEMICONDUCTOR CO LTD·Filed 2015·Granted Aug 2, 2016·1 cites·12 claims
- 1068US7129877B2Digital-to-analog converter with switched capacitor networkOKI ELECTRIC IND CO LTD·Filed 2005·Granted Oct 31, 2006·7 cites·26 claims
- 1167US8514159B2Liquid crystal drive deviceHIRAMA ATSUSHI·Filed 2008·Granted Aug 20, 2013·2 cites·7 claims
- 1264US7948278B2Load capacity driving circuitOKI SEMICONDUCTOR CO LTD·Filed 2009·Granted May 24, 2011·4 cites·7 claims
- 1363US8384643B2Drive circuit and display deviceOKI SEMICONDUCTOR CO LTD·Filed 2010·Granted Feb 26, 2013·1 cites·19 claims
- 1461US9208716B2Display drive circuit including an output terminalLAPIS SEMICONDUCTOR CO LTD·Filed 2014·Granted Dec 8, 2015·0 cites·16 claims
- 1559US7295142B2Digital-to-analog converter with short integration time constantOKI ELECTRIC IND CO LTD·Filed 2006·Granted Nov 13, 2007·4 cites·13 claims
- 1658US9799265B2Display drive circuit including an output terminalLAPIS SEMICONDUCTOR CO LTD·Filed 2017·Granted Oct 24, 2017·0 cites·11 claims
- 1758US9202425B2Device circuit and display apparatus having operational amplifiers with parasitic diodesLAPIS SEMICONDUCTOR CO LTD·Filed 2013·Granted Dec 1, 2015·0 cites·8 claims
- 1858US2008143699A1Display drive circuitOKI ELECTRIC IND CO LTD·Filed 2007·Application pending·0 cites
- 1957US10665164B2Display driver and semiconductor deviceLAPIS SEMICONDUCTOR CO LTD·Filed 2017·Granted May 26, 2020·0 cites·8 claims
- 2057US10621919B2Display driver and semiconductor deviceLAPIS SEMICONDUCTOR CO LTD·Filed 2017·Granted Apr 14, 2020·0 cites·6 claims
- 2154US7505019B2Drive circuitOKI SEMICONDUCTOR CO LTD·Filed 2004·Granted Mar 17, 2009·4 cites·15 claims
- 2249US8736595B2Driving device and driving method for image display deviceHIRAMA ATSUSHI·Filed 2009·Granted May 27, 2014·0 cites·6 claims
- 2348US2007171169A1Driving apparatus capable of quickly driving a capacitive load with heat generation reduced and a method thereforOKI ELECTRIC IND CO LTD·Filed 2007·Application pending·0 cites
- 2441US2010214277A1Output circuit and driving circuit for display deviceOKI SEMICONDUCTOR CO LTD·Filed 2010·Application pending·0 cites
- 2541US2012242722A1Display panel drive device, semiconductor integrated device, and image data acquisition method in display panel drive deviceISHII HIROAKI·Filed 2012·Application pending·0 cites
- 2637US11769438B2Display driver and display apparatusLAPIS TECH CO LTD·Filed 2022·Granted Sep 26, 2023·0 cites·10 claims
- 2737US10818218B2Display driver and semiconductor deviceLAPIS SEMICONDUCTOR CO LTD·Filed 2018·Granted Oct 27, 2020·0 cites·6 claims
- 2835US2013020673A1Protection diode and semiconductor device having the sameHIRAMA ATSUSHI·Filed 2012·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →