Inventor · disambiguated record
Hirofumi Kato
Also filed as: KATO HIROFUMI
36 granted patents·17 pending applications·221 citations·filing 1989–2025
96Inventor score
Top patents by PatentIndex Score
53 records- 0196US12165430B2Detection deviceJAPAN DISPLAY INC·Filed 2023·Granted Dec 10, 2024·4 cites·16 claims
- 0295US11888080B2Detection device including light sources along an outer circumference of two detection areas each of the detection areas having a specific scan directionJAPAN DISPLAY INC·Filed 2021·Granted Jan 30, 2024·4 cites·5 claims
- 0395US11854299B2Detection deviceJAPAN DISPLAY INC·Filed 2021·Granted Dec 26, 2023·3 cites·8 claims
- 0493US10121420B2Display deviceJAPAN DISPLAY INC·Filed 2017·Granted Nov 6, 2018·5 cites·5 claims
- 0591US12300019B2Detection deviceJAPAN DISPLAY INC·Filed 2023·Granted May 13, 2025·1 cites·10 claims
- 0690US10453403B2Display deviceJAPAN DISPLAY INC·Filed 2017·Granted Oct 22, 2019·5 cites·14 claims
- 0788US12178059B2Detection deviceJAPAN DISPLAY INC·Filed 2021·Granted Dec 24, 2024·1 cites·2 claims
- 0888US12035476B2Detection deviceJAPAN DISPLAY INC·Filed 2022·Granted Jul 9, 2024·1 cites·10 claims
- 0988US11915096B2Detection systemJAPAN DISPLAY INC·Filed 2022·Granted Feb 27, 2024·1 cites·15 claims
- 1086US12045421B2Detection device, fingerprint detection device, and vein detection deviceJAPAN DISPLAY INC·Filed 2023·Granted Jul 23, 2024·1 cites·7 claims
- 1184US11687196B2Detection device, fingerprint detection device, and vein detection deviceJAPAN DISPLAY INC·Filed 2022·Granted Jun 27, 2023·1 cites·7 claims
- 1280US12423538B2Detection systemMAGNOLIA WHITE CORP·Filed 2024·Granted Sep 23, 2025·0 cites·13 claims
- 1379US6020869AMulti-gray level display apparatus and method of displaying an image at many gray levelsTOSHIBA KK·Filed 1997·Granted Feb 1, 2000·53 cites·27 claims
- 1479US2025063883A1Detection deviceJAPAN DISPLAY INC·Filed 2024·Application pending·0 cites
- 1578US10504477B2Display deviceJAPAN DISPLAY INC·Filed 2018·Granted Dec 10, 2019·1 cites·19 claims
- 1678US9804317B2Display apparatusJAPAN DISPLAY INC·Filed 2016·Granted Oct 31, 2017·2 cites·15 claims
- 1777US10573256B2Display deviceJAPAN DISPLAY INC·Filed 2019·Granted Feb 25, 2020·1 cites·20 claims
- 1876US10283060B2Display deviceJAPAN DISPLAY INC·Filed 2018·Granted May 7, 2019·1 cites·12 claims
- 1975US6459416B1Multi-gray level display apparatus and method of displaying an image at many gray levelsTOSHIBA KK·Filed 1999·Granted Oct 1, 2002·44 cites·54 claims
- 2073US2024170602A1Detection deviceJAPAN DISPLAY INC·Filed 2024·Application pending·0 cites
- 2171US10497322B2Display deviceJAPAN DISPLAY INC·Filed 2017·Granted Dec 3, 2019·1 cites·15 claims
- 2269US12415921B2Epoxy resin composition and cured product thereofSUMITOMO CHEMICAL CO·Filed 2021·Granted Sep 16, 2025·0 cites·9 claims
- 2368US12109958B2In-vehicle semiconductor circuit and semiconductor circuitFUJI ELECTRIC CO LTD·Filed 2021·Granted Oct 8, 2024·0 cites·20 claims
- 2468US11386860B2Display device and liquid crystal display device for adjusting transparency and polarityJAPAN DISPLAY INC·Filed 2021·Granted Jul 12, 2022·0 cites·14 claims
- 2568US2025241550A1Detection deviceJAPAN DISPLAY INC·Filed 2025·Application pending·0 cites
- 2668US2024254279A1Epoxy resin composition and cured product thereofSUMITOMO CHEMICAL CO·Filed 2022·Application pending·0 cites
- 2766US11017737B2Display device and liquid crystal display device for adjusting transparency and polarityJAPAN DISPLAY INC·Filed 2020·Granted May 25, 2021·0 cites·12 claims
- 2866US7689301B2Safety control device, safety control system, and method for detecting communication errorJTEKT CORP·Filed 2007·Granted Mar 30, 2010·4 cites·12 claims
- 2966US2022031182A1Detection deviceJAPAN DISPLAY INC·Filed 2021·Application pending·0 cites
- 3065US12043697B2Epoxy resin composition and cured product thereofSUMITOMO CHEMICAL CO·Filed 2019·Granted Jul 23, 2024·0 cites·10 claims
- 3165US2025271319A1Semiconductor packageFUJI ELECTRIC CO LTD·Filed 2024·Application pending·0 cites
- 3265US2025244189A1Semiconductor packageFUJI ELECTRIC CO LTD·Filed 2024·Application pending·0 cites
- 3364US10816843B2Display device and liquid crystal display device for adjusting transparency and polarityJAPAN DISPLAY INC·Filed 2019·Granted Oct 27, 2020·0 cites·13 claims
- 3464US9721503B2Display device to correct a video signal with inverse EL and drive TFT characteristicsJAPAN DISPLAY INC·Filed 2015·Granted Aug 1, 2017·1 cites·12 claims
- 3564US6144355ADisplay device including a phase adjusterTOSHIBA KK·Filed 1996·Granted Nov 7, 2000·30 cites·22 claims
- 3663US2024180455A1Transcutaneous muscle oxygen saturation detection deviceJAPAN DISPLAY INC·Filed 2024·Application pending·0 cites
- 3762US2025008759A1Detection deviceJAPAN DISPLAY INC·Filed 2024·Application pending·0 cites
- 3861US6256003B1Jitter correction circuit and a flat panel display device using the sameTOSHIBA KK·Filed 1998·Granted Jul 3, 2001·27 cites·11 claims
- 3959US2025180471A1Detection deviceJAPAN DISPLAY INC·Filed 2025·Application pending·0 cites
- 4058US8791295B2Method of producing purified optically acitve 4-amino-3-(substituted phenyl)butanoic acid compoundMURAKAMI KAZUO·Filed 2008·Granted Jul 29, 2014·0 cites·8 claims
- 4156US7555680B2Distributed control apparatusJTEKT CORP·Filed 2006·Granted Jun 30, 2009·1 cites·18 claims
- 4256US2023301125A1Detection deviceJAPAN DISPLAY INC·Filed 2023·Application pending·0 cites
- 4355US5245913APiston of internal combustion engineATSUGI UNISIA CORP·Filed 1992·Granted Sep 21, 1993·20 cites·6 claims
- 4453US9001075B2Display device with touch panel functionIMAI TAKAYUKI·Filed 2012·Granted Apr 7, 2015·1 cites·10 claims
- 4552US2008297500A1Display device and method of driving the sameKATO HIROFUMI·Filed 2008·Application pending·0 cites
- 4651US2008170019A1Liquid Crystal Display Device Capable of Lowering Electric Power Consumption without Generating FlickerKATO HIROFUMI·Filed 2007·Application pending·0 cites
- 4750US2007176951A1Display control deviceTOSHIBA MATSUSHITA DISPLAY TEC·Filed 2007·Application pending·0 cites
- 4850US2007070258A1Techniques to switch between video display modesTOSHIBA MATSUSHITA DISPLAY TEC·Filed 2006·Application pending·0 cites
- 4948US11436859B2Fingerprint detection device and display device with fingerprint detection deviceJAPAN DISPLAY INC·Filed 2021·Granted Sep 6, 2022·0 cites·5 claims
- 5047US11719573B2Detection deviceJAPAN DISPLAY INC·Filed 2020·Granted Aug 8, 2023·0 cites·15 claims
Showing the top 50 of 53 patent records by PatentIndex Score.
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