Inventor · disambiguated record
Tomohisa Kohiyama
Also filed as: KOHIYAMA TOMOHISA
26 granted patents·11 pending applications·973 citations·filing 1989–2022
97Inventor score
Files withHITACHI LTD23HITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD4RENESAS TECH CORP2HITACHI CHUBU SOFTWARE KK1OGAWA YUKIO1
Top patents by PatentIndex Score
37 records- 0193US5483466AClient/server system and mail reception/display control methodHITACHI LTD·Filed 1993·Granted Jan 9, 1996·266 cites·6 claims
- 0292US6556767B2Video capture deviceHITACHI LTD·Filed 2001·Granted Apr 29, 2003·49 cites·26 claims
- 0391US5666161AMethod and apparatus for creating less amount of compressd image data from compressed still image data and system for transmitting compressed image data through transmission lineHITACHI LTD·Filed 1994·Granted Sep 9, 1997·134 cites·8 claims
- 0484US5560020APower saving processing systemHITACHI LTD·Filed 1991·Granted Sep 24, 1996·122 cites·3 claims
- 0580US6842540B1Surveillance systemHITACHI LTD·Filed 2000·Granted Jan 11, 2005·40 cites·21 claims
- 0677US6269215B1Information processing systemHITACHI LTD·Filed 2000·Granted Jul 31, 2001·12 cites·8 claims
- 0777US5381043APower supply arrangement and connectorHITACHI LTD·Filed 1993·Granted Jan 10, 1995·76 cites·11 claims
- 0873US6789263B1Data conversion method and apparatusHITACHI LTD·Filed 1997·Granted Sep 7, 2004·51 cites·23 claims
- 0972US6094521AInformation processing systemHITACHI LTD·Filed 1999·Granted Jul 25, 2000·20 cites·11 claims
- 1072US5473382AVideo signal converting apparatus for converting an interlace video signal into a non-interlace video signal for reductionHITACHI LTD·Filed 1993·Granted Dec 5, 1995·36 cites·7 claims
- 1171US7596703B2Hidden data backup and retrieval for a secure deviceHITACHI LTD·Filed 2003·Granted Sep 29, 2009·16 cites·8 claims
- 1268US5899575AVideo capture device, video recording/playing apparatus having the video capture device attached thereto, and video input deviceHITACHI LTD·Filed 1996·Granted May 4, 1999·31 cites·6 claims
- 1365US7913258B2Information processing device and process control methodHITACHI LTD·Filed 2006·Granted Mar 22, 2011·4 cites·14 claims
- 1462US12393806B2Code generation system and code generation methodHITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD·Filed 2022·Granted Aug 19, 2025·0 cites·19 claims
- 1560US12072431B2Position specifying system for mobile object and mobile object used for the position specifying systemTOYOTA MOTOR CO LTD·Filed 2019·Granted Aug 27, 2024·1 cites·13 claims
- 1659US6330629B1Information processing systemHITACHI LTD·Filed 1998·Granted Dec 11, 2001·32 cites·24 claims
- 1759US5353403AGraphic display processing apparatus and method for improving the speed and efficiency of a window systemHITACHI CHUBU SOFTWARE KK·Filed 1992·Granted Oct 4, 1994·26 cites·21 claims
- 1857US7283719B2Video capture deviceRENESAS TECH CORP·Filed 2003·Granted Oct 16, 2007·2 cites·19 claims
- 1957US6584538B2Information processing systemHITACHI LTD·Filed 2001·Granted Jun 24, 2003·5 cites·24 claims
- 2056US2024378545A1System and Method for Supporting Management of Products After ShippingHITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD·Filed 2022·Application pending·0 cites
- 2154US2003212567A1Witness information service with image capturing and sharingHITACHI LTD·Filed 2002·Application pending·0 cites
- 2251US11104165B2Support service system for inkjet printing apparatus and control method thereforHITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD·Filed 2016·Granted Aug 31, 2021·0 cites·12 claims
- 2351US5201037AMulti-port memory as a frame bufferHITACHI LTD·Filed 1989·Granted Apr 6, 1993·14 cites·25 claims
- 2450US2004201723A1Image pickup apparatus and image data use systemHITACHI LTD·Filed 2004·Application pending·0 cites
- 2550US2006114350A1Multimedia data processing system in networkSHIMADA TAKAO·Filed 2005·Application pending·0 cites
- 2648US5583985AGraphic display processing apparatus for improving speed and efficiency of a window systemHITACHI LTD·Filed 1994·Granted Dec 10, 1996·14 cites·4 claims
- 2746US12219086B2Communication module, communication system, and communication methodHITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD·Filed 2019·Granted Feb 4, 2025·0 cites·20 claims
- 2844US6750905B1Digital camera storing and outputting encrypted digital image dataHITACHI LTD·Filed 1999·Granted Jun 15, 2004·8 cites·6 claims
- 2944US2001002851A1Multimedia data processing system in networkFiled 2000·Application pending·0 cites
- 3043US2004199631A1Ubiquitous information utilities and services for convention centerHITACHI LTD·Filed 2003·Application pending·0 cites
- 3142US2005179938A1Network terminal systemFiled 2004·Application pending·0 cites
- 3241US2002053090A1Data receiving apparatus and data receiving methodFiled 2001·Application pending·0 cites
- 3341US2005209975A1System, method and computer program product for conducting a secure transaction via a networkHITACHI LTD·Filed 2004·Application pending·0 cites
- 3441US2002101990A1Data receiving apparatus and data reproducing apparatusFiled 2001·Application pending·0 cites
- 3538US2007199065A1Information processing systemOGAWA YUKIO·Filed 2007·Application pending·0 cites
- 3636US6570580B1Apparatus and method for information displayHITACHI LTD·Filed 1999·Granted May 27, 2003·9 cites·20 claims
- 3733US6728813B1Method and apparatus for converting non-burst write cycles to burst write cycles across a bus bridgeRENESAS TECH CORP·Filed 1999·Granted Apr 27, 2004·5 cites·15 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →