Inventor · disambiguated record
Youichi Igarashi
Also filed as: IGARASHI YOUICHI
12 granted patents·449 citations·filing 1993–2014
92Inventor score
Files withHITACHI LTD6YOKOGAWA ELECTRIC CORP3HITACHI DEVICE ENG1HITACHI DISPLAYS LTD1IGARASHI YOUICHI1
Top patents by PatentIndex Score
12 records- 0195US5500756AOptical fiber transmission system and supervision method of the sameHITACHI LTD·Filed 1993·Granted Mar 19, 1996·183 cites·13 claims
- 0290US7586540B2Image interpolation device and a frame rate converter and image display apparatus using the sameHITACHI DISPLAYS LTD·Filed 2005·Granted Sep 8, 2009·25 cites·21 claims
- 0388US6529181B2Liquid crystal display apparatus having display control unit for lowering clock frequency at which pixel drivers are drivenHITACHI LTD·Filed 2001·Granted Mar 4, 2003·45 cites·8 claims
- 0488US6229513B1Liquid crystal display apparatus having display control unit for lowering clock frequency at which pixel drivers are drivenHITACHI LTD·Filed 1998·Granted May 8, 2001·102 cites·17 claims
- 0583US10056585B2Battery holderYOKOGAWA ELECTRIC CORP·Filed 2014·Granted Aug 21, 2018·3 cites·10 claims
- 0673USD719095SBattery caseYOKOGAWA ELECTRIC CORP·Filed 2014·Granted Dec 9, 2014·19 cites·1 claims
- 0772US5877736ALow power driving method for reducing non-display area of TFT-LCDHITACHI LTD·Filed 1995·Granted Mar 2, 1999·36 cites·1 claims
- 0866US7190361B2Image display deviceHITACHI DEVICE ENG·Filed 2002·Granted Mar 13, 2007·10 cites·4 claims
- 0960US6172661B1Low power driving method for reducing non-display area of TFT-LCDHITACHI LTD·Filed 1999·Granted Jan 9, 2001·21 cites·8 claims
- 1056US7064738B2Liquid crystal display device and driving method thereofHITACHI LTD·Filed 2002·Granted Jun 20, 2006·5 cites·11 claims
- 1150US9034503B2Battery storing deviceYOKOGAWA ELECTRIC CORP·Filed 2012·Granted May 19, 2015·0 cites·17 claims
- 1240US9048481B2Battery housing deviceIGARASHI YOUICHI·Filed 2011·Granted Jun 2, 2015·0 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →