Inventor · disambiguated record
Takao Katayama
Also filed as: KATAYAMA TAKAO
33 granted patents·10 pending applications·452 citations·filing 1983–2024
97Inventor score
Top patents by PatentIndex Score
43 records- 0196US4501678ALubricants for improving fatigue lifeIDEMITSU KOSAN CO·Filed 1983·Granted Feb 26, 1985·102 cites·20 claims
- 0283US5594890AEmulation system for emulating CPU core, CPU core with provision for emulation and ASIC having the CPU coreRICOH KK·Filed 1994·Granted Jan 14, 1997·94 cites·34 claims
- 0380US4882897AClutch control structure for a walking operator type lawn mowerKUBOTA LTD·Filed 1988·Granted Nov 28, 1989·38 cites·10 claims
- 0476USD319447SLawn mowerKUBOTA LTD·Filed 1988·Granted Aug 27, 1991·17 cites·1 claims
- 0573USD307911SWalking operator type lawn mowerKUBOTA LTD·Filed 1986·Granted May 15, 1990·16 cites·1 claims
- 0667US9986035B2Synchronous measurement systemSEIKO EPSON CORP·Filed 2014·Granted May 29, 2018·2 cites·9 claims
- 0765US6785800B1Single instruction stream multiple data stream processorRICOH KK·Filed 2000·Granted Aug 31, 2004·15 cites·18 claims
- 0863US10542095B2Synchronization measurement system, synchronization measurement method, controller, sensor unit, synchronous signal generation unit, synchronous signal transfer unit, and programSEIKO EPSON CORP·Filed 2016·Granted Jan 21, 2020·1 cites·15 claims
- 0963US9948418B2Synchronous measurement systemSEIKO EPSON CORP·Filed 2014·Granted Apr 17, 2018·1 cites·11 claims
- 1062US12463852B2Semiconductor device and electronic apparatusSEIKO EPSON CORP·Filed 2023·Granted Nov 4, 2025·0 cites·9 claims
- 1160US12431851B2Audio mixing device and electronic deviceSEIKO EPSON CORP·Filed 2023·Granted Sep 30, 2025·0 cites·10 claims
- 1259US6652199B2Vessel conveying systemDAINIPPON PRINTING CO LTD·Filed 2002·Granted Nov 25, 2003·6 cites·7 claims
- 1359US2025039621A1Semiconductor Device And Electronic ApparatusSEIKO EPSON CORP·Filed 2024·Application pending·0 cites
- 1459US2025039623A1Semiconductor Device And Electronic ApparatusSEIKO EPSON CORP·Filed 2024·Application pending·0 cites
- 1556USD308681SLawn mowerKUBOTA LTD·Filed 1987·Granted Jun 19, 1990·7 cites·1 claims
- 1656US4584129AElectric insulating oilsIDEMITSU KOSAN CO·Filed 1985·Granted Apr 22, 1986·13 cites·5 claims
- 1755US12156011B2Audio mixing device and electronic deviceSEIKO EPSON CORP·Filed 2022·Granted Nov 26, 2024·0 cites·17 claims
- 1855US2024113674A1Semiconductor Device And Electronic ApparatusSEIKO EPSON CORP·Filed 2023·Application pending·0 cites
- 1954US12470867B2Semiconductor device and electronic apparatusSEIKO EPSON CORP·Filed 2023·Granted Nov 11, 2025·0 cites·7 claims
- 2054US7191310B2Parallel processor and image processing apparatus adapted for nonlinear processing through selection via processor element numbersRICOH KK·Filed 2001·Granted Mar 13, 2007·4 cites·12 claims
- 2154US6997439B2Liquid filling valveSHIBUYA KOGYO CO LTD·Filed 2003·Granted Feb 14, 2006·5 cites·4 claims
- 2252US7753305B2Seat belt retractorASHIMORI IND CO LTD·Filed 2004·Granted Jul 13, 2010·5 cites·15 claims
- 2352US4745735AGrass collecting container for grass mowerKUBOTA LTD·Filed 1986·Granted May 24, 1988·13 cites·6 claims
- 2451US2011062269A1Seatbelt retractorASHIMORI IND CO LTD·Filed 2009·Application pending·0 cites
- 2551US2024163625A1Audio mixing device and electronic deviceSEIKO EPSON CORP·Filed 2023·Application pending·0 cites
- 2650US4497721ARefrigerator oil compositionIDEMITSU KOSAN CO·Filed 1983·Granted Feb 5, 1985·8 cites·5 claims
- 2748US5938758AMicroprocessor having function of prefetching instructionRICOH KK·Filed 1997·Granted Aug 17, 1999·20 cites·9 claims
- 2847US11647331B2Circuit device, sound reproduction device, and electronic apparatusSEIKO EPSON CORP·Filed 2020·Granted May 9, 2023·0 cites·16 claims
- 2947US4693064AGrass collection bag for lawn mowerKUBOTA LTD·Filed 1986·Granted Sep 15, 1987·11 cites·5 claims
- 3046US8596567B2Seatbelt retractorKANEKO SHINYA·Filed 2009·Granted Dec 3, 2013·0 cites·14 claims
- 3146US2007083732A1Parallel processor and image processing apparatusYAMAURA SHINICHI·Filed 2006·Application pending·0 cites
- 3246US2013341452A1Seatbelt retractorASHIMORI IND CO LTD·Filed 2013·Application pending·0 cites
- 3345US6974945B2PhotosensorTOSHIBA KK·Filed 2003·Granted Dec 13, 2005·3 cites·20 claims
- 3445US5630158ACentral processing unit including inhibited branch areaRICOH KK·Filed 1994·Granted May 13, 1997·15 cites·5 claims
- 3545US5606709ARegister group circuit for data processing systemRICOH KK·Filed 1994·Granted Feb 25, 1997·15 cites·16 claims
- 3644US2011057066A1Seatbelt retractorASHIMORI IND CO LTD·Filed 2009·Application pending·0 cites
- 3743US6266756B1Central processing unit compatible with bank register CPURICOH KK·Filed 1996·Granted Jul 24, 2001·16 cites·6 claims
- 3843US4731495AElectrical insulating oilsIDEMITSU KOSAN CO·Filed 1986·Granted Mar 15, 1988·5 cites·10 claims
- 3941US2008120093A1System for creating dictionary for speech synthesis, semiconductor integrated circuit device, and method for manufacturing semiconductor integrated circuit deviceSEIKO EPSON CORP·Filed 2007·Application pending·0 cites
- 4036US2006214494A1Seat belt retractorKATAYAMA TAKAO·Filed 2004·Application pending·0 cites
- 4135US4550506AMeasuring machineKATAYAMA TAKAO·Filed 1983·Granted Nov 5, 1985·6 cites·1 claims
- 4234US5419814AThin layer liquid film type evaporatorIDEMITSU KOSAN CORP LIMITED·Filed 1993·Granted May 30, 1995·12 cites·11 claims
- 4334US4760212AElectrical insulating oilsIDEMITSU KOSAN CO·Filed 1987·Granted Jul 26, 1988·2 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →