Inventor · disambiguated record
Kotaro Watanabe
Also filed as: WATANABE KOTARO
60 granted patents·22 pending applications·453 citations·filing 1990–2023
98Inventor score
Files withSEIKO INSTR INC16FUJIFILM CORP10HITACHI AUTOMOTIVE SYSTEMS LTD9FUJI PHOTO FILM CO LTD6MITSUBISHI ELECTRIC CORP6
Top patents by PatentIndex Score
82 records- 0198US6450139B1Valve timing control system for internal combustion engineUNISIA JECS CORP·Filed 2001·Granted Sep 17, 2002·86 cites·15 claims
- 0296US6193225B1Non-linear non-circular coiled springTAMA SPRING CO LTD·Filed 1999·Granted Feb 27, 2001·149 cites·6 claims
- 0385US8677965B2Valve timing control device of internal combustion engineKATO HIROYUKI·Filed 2011·Granted Mar 25, 2014·5 cites·12 claims
- 0484US8309629B2Ink composition, inkjet recording method, printed material, method for producing planographic printing plate, and planographic printing plateWATANABE KOTARO·Filed 2008·Granted Nov 13, 2012·4 cites·19 claims
- 0583USD959483SDisplay screen with graphical user interfaceMITSUBISHI ELECTRIC BUILDING TECHNO SERVICE CO LTD·Filed 2020·Granted Aug 2, 2022·14 cites·1 claims
- 0683US10946486B2Flux-cored wire, manufacturing method of welded joint, and welded jointNIPPON STEEL & SUMITOMO METAL CORP·Filed 2016·Granted Mar 16, 2021·2 cites·20 claims
- 0782US10680514B2Power supply circuitABLIC INC·Filed 2019·Granted Jun 9, 2020·3 cites·2 claims
- 0881US10454376B1Power supply circuitABLIC INC·Filed 2019·Granted Oct 22, 2019·3 cites·2 claims
- 0979US9933494B2Voltage detection circuitSEIKO INSTR INC·Filed 2015·Granted Apr 3, 2018·2 cites·9 claims
- 1079US7225774B2Valve timing control apparatus for internal combustion engineHITACHI LTD·Filed 2005·Granted Jun 5, 2007·7 cites·20 claims
- 1176US9310775B2Analog electronic timepieceSEIKO INSTR INC·Filed 2015·Granted Apr 12, 2016·2 cites·4 claims
- 1276US5115400ACad/cam apparatusMITSUBISHI ELECTRIC CORP·Filed 1990·Granted May 19, 1992·79 cites·6 claims
- 1375US7948284B2Power-on reset circuitSEIKO INSTR INC·Filed 2010·Granted May 24, 2011·4 cites·7 claims
- 1475US7842351B2Ink composition, inkjet recording method, printed material, method of producing planographic printing plate, and planographic printing plateFUJIFILM CORP·Filed 2007·Granted Nov 30, 2010·1 cites·15 claims
- 1575US2022281024A1Flux-cored wire, manufacturing method of welded joint, and welded jointNIPPON STEEL CORP·Filed 2022·Application pending·0 cites
- 1674US7728050B2Curable composition, ink composition, inkjet recording method, printed matter, method for producing planographic printing plate, planographic printing plate and oxetane compoundFUJIFILM CORP·Filed 2006·Granted Jun 1, 2010·2 cites·16 claims
- 1774US7683104B2Curable composition, ink composition, inkjet-recording method, and planographic printing plateFUJIFILM CORP·Filed 2007·Granted Mar 23, 2010·3 cites·10 claims
- 1873US8124194B2Ink composition comprising a compound with a sulfide bond and an ink jet recording methodNAKAMURA IPPEI·Filed 2008·Granted Feb 28, 2012·2 cites·15 claims
- 1972US9638109B2Valve timing control system for internal combustion engine and lock release mechanism of valve timing control apparatus for internal combustion engineHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2014·Granted May 2, 2017·2 cites·18 claims
- 2072US9291076B2Valve timing control apparatus for internal combustion engineHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2014·Granted Mar 22, 2016·2 cites·17 claims
- 2172US5297022ACAD/CAM unit data generating apparatus and processMITSUBISHI ELECTRIC CORP·Filed 1992·Granted Mar 22, 1994·35 cites·13 claims
- 2269US9509386B2Radio and antenna selection method for radioWATANABE KOTARO·Filed 2012·Granted Nov 29, 2016·2 cites·7 claims
- 2369US7159549B2Variable valve system of internal combustion engineHITACHI LTD·Filed 2005·Granted Jan 9, 2007·4 cites·26 claims
- 2465US9235196B2Constant voltage circuit and analog electronic clockSEIKO INSTR INC·Filed 2014·Granted Jan 12, 2016·1 cites·2 claims
- 2564US11400539B2Flux-cored wire, manufacturing method of welded joint, and welded jointNIPPON STEEL CORP·Filed 2016·Granted Aug 2, 2022·0 cites·12 claims
- 2662US2023227228A1Packaging material, packaging bag, and packaging bodyTOPPAN INC·Filed 2023·Application pending·0 cites
- 2762US2010136300A1Curable composition, ink composition, inkjet recording method, printed material, method of producing planographic printing plate, planographic printing plate and oxetane compoundFUJIFILM CORP·Filed 2009·Application pending·0 cites
- 2861US8982656B2Non-volatile semiconductor memory device and semiconductor deviceSEIKO INSTR INC·Filed 2014·Granted Mar 17, 2015·2 cites·3 claims
- 2960US9343915B2Semiconductor device including charging systemSEIKO INSTR INC·Filed 2013·Granted May 17, 2016·1 cites·6 claims
- 3060US7816422B2Curable composition, ink composition, inkjet recording method, printed material, method of producing planographic printing plate, and planographic printing plateFUJIFILM CORP·Filed 2006·Granted Oct 19, 2010·2 cites·10 claims
- 3159USD967846SDisplay screen with graphical user interfaceMITSUBISHI ELECTRIC BUILDING SOLUTIONS CORP·Filed 2022·Granted Oct 25, 2022·2 cites·1 claims
- 3259US2008206528A1Ink composition, inkjetrecording method, printed material, method for producing planographic printing plate, and planographic printing plateFUJIFILM CORP·Filed 2008·Application pending·0 cites
- 3358US2022395937A1Flux-cored wire and method for producing welded jointNIPPON STEEL CORP·Filed 2020·Application pending·0 cites
- 3457US5680317ACAD device for metal moldMITSUBISHI ELECTRIC CORP·Filed 1995·Granted Oct 21, 1997·24 cites·25 claims
- 3557US2007049651A1Curable composition, ink composition, inkjet recording method, printed material, method of producing planographic printing plate, planographic printing plate, and oxcetane compoundFUJI PHOTO FILM CO LTD·Filed 2006·Application pending·0 cites
- 3656US12372197B2Mounting tool for holding elevator rope tension measuring deviceMITSUBISHI ELECTRIC BUILDING SOLUTIONS CORP·Filed 2020·Granted Jul 29, 2025·0 cites·13 claims
- 3756US8988840B2Overcharge prevention circuit and semiconductor deviceMITANI MAKOTO·Filed 2012·Granted Mar 24, 2015·1 cites·2 claims
- 3855US11780026B2Welding operation monitoring system and welding operation monitoring methodNIPPON STEEL CORP·Filed 2018·Granted Oct 10, 2023·0 cites·20 claims
- 3953US9995185B2Valve timing control device for internal combustion engineHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2014·Granted Jun 12, 2018·0 cites·18 claims
- 4053US9071185B2Constant voltage circuit and analog electronic clockSEIKO INSTR INC·Filed 2014·Granted Jun 30, 2015·0 cites·4 claims
- 4153US2006210921A1Positive photosensitive composition and image recording material using the sameFUJI PHOTO FILM CO LTD·Filed 2006·Application pending·0 cites
- 4252US8885444B2Analog electronic watchSEIKO INSTR INC·Filed 2013·Granted Nov 11, 2014·0 cites·4 claims
- 4352US7992988B2Ink composition, inkjet recording method, printed material, method of producing planographic printing plate, and planographic printing plateFUJIFILM CORP·Filed 2007·Granted Aug 9, 2011·0 cites·13 claims
- 4451US2008075883A1Process for producing molded printed material, and molded printed materialFUJIFILM CORP·Filed 2007·Application pending·0 cites
- 4550US11592045B2Lap fillet arc welded jointNIPPON STEEL CORP·Filed 2018·Granted Feb 28, 2023·0 cites·2 claims
- 4650US2007132810A1Ink composition, inkjet recording method, printed material, production method of planographic printing plate, and planographic printing plateFUJIFILM CORP·Filed 2006·Application pending·0 cites
- 4750US2005214675A1Positive-type photosensitive compositionFUJI PHOTO FILM CO LTD·Filed 2005·Application pending·0 cites
- 4849US10082055B2Valve timing control device for internal combustion engineHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2014·Granted Sep 25, 2018·0 cites·13 claims
- 4949US2020149829A1HeatsinkMITSUBISHI MATERIALS CORP·Filed 2018·Application pending·0 cites
- 5048US11373923B2Heat sink with coiled metal-wire materialMITSUBISHI MATERIALS CORP·Filed 2019·Granted Jun 28, 2022·0 cites·16 claims
Showing the top 50 of 82 patent records by PatentIndex Score.
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