Inventor · disambiguated record
Yoshihisa Ishikawa
Also filed as: ISHIKAWA YOSHIHISA
31 granted patents·16 pending applications·265 citations·filing 1978–2024
96Inventor score
Files withHITACHI LTD9OMRON TATEISI ELECTRONICS CO7HOSAKA YOICHI6YANMAR POWER TECHNOLOGY CO LTD5MIYATA KENJI3
Top patents by PatentIndex Score
47 records- 0198US7915778B2Electric motorHITACHI LTD·Filed 2010·Granted Mar 29, 2011·32 cites·17 claims
- 0294US7830060B2Electric motorHITACHI LTD·Filed 2009·Granted Nov 9, 2010·18 cites·15 claims
- 0391US12090812B2Construction machineYANMAR POWER TECHNOLOGY CO LTD·Filed 2020·Granted Sep 17, 2024·3 cites·19 claims
- 0491US8471428B2Rotating electrical machineNAGANAWA TAKASHI·Filed 2010·Granted Jun 25, 2013·13 cites·5 claims
- 0587USD762740SWheel loaderYANMAR CO LTD·Filed 2015·Granted Aug 2, 2016·31 cites·1 claims
- 0686USD758457SWheel loaderYANMAR CO LTD·Filed 2015·Granted Jun 7, 2016·30 cites·1 claims
- 0784US8177710B1Endoscopic deviceHOSAKA YOICHI·Filed 2011·Granted May 15, 2012·22 cites·1 claims
- 0883US8182416B1Endoscopic deviceHOSAKA YOICHI·Filed 2011·Granted May 22, 2012·20 cites·2 claims
- 0982US12480280B2Construction machine emission deviceYANMAR POWER TECHNOLOGY CO LTD·Filed 2024·Granted Nov 25, 2025·0 cites·20 claims
- 1082US7759837B2Rotating electrical machineHITACHI LTD·Filed 2008·Granted Jul 20, 2010·11 cites·16 claims
- 1182US7701109B2Rotating electrical machineHITACHI LTD·Filed 2007·Granted Apr 20, 2010·11 cites·20 claims
- 1281US12012720B2Exhaust treatment device for a construction machineYANMAR POWER TECHNOLOGY CO LTD·Filed 2020·Granted Jun 18, 2024·1 cites·10 claims
- 1377US8829754B2Electric rotating machineHITACHI LTD·Filed 2012·Granted Sep 9, 2014·2 cites·10 claims
- 1476USD756420SWheel loaderYANMAR CO LTD·Filed 2015·Granted May 17, 2016·18 cites·1 claims
- 1575US8134269B2Electric motorMIYATA KENJI·Filed 2011·Granted Mar 13, 2012·2 cites·18 claims
- 1672US8840544B2Endoscope apparatusHOSAKA YOICHI·Filed 2012·Granted Sep 23, 2014·6 cites·13 claims
- 1770US2023135839A1MaskOMRON TATEISI ELECTRONICS CO·Filed 2022·Application pending·0 cites
- 1869US8334629B2Electric rotating machineMIYATA KENJI·Filed 2011·Granted Dec 18, 2012·1 cites·11 claims
- 1967US8911361B2Endoscope apparatusHOSAKA YOICHI·Filed 2012·Granted Dec 16, 2014·4 cites·7 claims
- 2063US5537271AApparatus for loading a data recording diskOLYMPUS OPTICAL CO·Filed 1993·Granted Jul 16, 1996·15 cites·6 claims
- 2160US2025101714A1Safety monitoring systemYANMAR POWER TECHNOLOGY CO LTD·Filed 2024·Application pending·0 cites
- 2258US8795160B2Endoscope apparatusHOSAKA YOICHI·Filed 2012·Granted Aug 5, 2014·1 cites·10 claims
- 2356US7777389B2Rotating electrical machineHITACHI LTD·Filed 2007·Granted Aug 17, 2010·1 cites·15 claims
- 2454US4346159APhotosensitive element for electrophotographyFUJI XEROX CO LTD·Filed 1978·Granted Aug 24, 1982·9 cites·12 claims
- 2552US12195952B2Safety monitoring systemYANMAR POWER TECHNOLOGY CO LTD·Filed 2022·Granted Jan 14, 2025·0 cites·8 claims
- 2652US2025163680A1Work machine control method, work machine control program, work machine control system, and work machineYANMAR HOLDINGS CO LTD·Filed 2024·Application pending·0 cites
- 2750US2008136285A1Spindle motor, disk drive, and method of fabricating a stator coreTAJIMA FUMIO·Filed 2007·Application pending·0 cites
- 2848USD728488SRelay socketOMRON TATEISI ELECTRONICS CO·Filed 2014·Granted May 5, 2015·6 cites·1 claims
- 2947US12333184B2Recording apparatus, recording method, storage medium, and memory cardCANON KK·Filed 2021·Granted Jun 17, 2025·0 cites·19 claims
- 3047US2009102314A1Rotating electrical machineryHITACHI LTD·Filed 2008·Application pending·0 cites
- 3146US2012038238A1AC Generator for VehicleISHIKAWA YOSHIHISA·Filed 2009·Application pending·0 cites
- 3245US2009001843A1Rotating electrical machineHITACHI LTD·Filed 2008·Application pending·0 cites
- 3344US8125116B2Alternator for vehicle and rotating electrical machineISHIKAWA TOSHIO·Filed 2008·Granted Feb 28, 2012·0 cites·16 claims
- 3444USD583504SLight guiding memberOMRON TATEISI ELECTRONICS CO·Filed 2008·Granted Dec 23, 2008·5 cites·1 claims
- 3544US2008238241A1Commutator motor and electric vacuum cleaner using the sameTANIGUCHI TSUKASA·Filed 2008·Application pending·0 cites
- 3643US2008224574A1Stepping motor and steel plate for manufacturing the stepping motorENOMOTO YUJI·Filed 2008·Application pending·0 cites
- 3743US2014251780A1Switching DeviceOMRON TATEISI ELECTRONICS CO·Filed 2013·Application pending·0 cites
- 3842US8758230B2Endoscope apparatusHOSAKA YOICHI·Filed 2012·Granted Jun 24, 2014·0 cites·8 claims
- 3941US2013082564A1Alternator for vehicleISHIKAWA YOSHIHISA·Filed 2010·Application pending·0 cites
- 4040US2013187515A1Vehicular Alternating Current GeneratorMIYATA KENJI·Filed 2010·Application pending·0 cites
- 4140US2008238237A1Induction machineNISHIHAMA KAZUO·Filed 2008·Application pending·0 cites
- 4240US2011172490A1Insertion portion holder, endoscope apparatus, and method of bundling insertion portionOLYMPUS CORP·Filed 2010·Application pending·0 cites
- 4339US2015093930A1Lead wire connection structure and electronic device including the sameOMRON TATEISI ELECTRONICS CO·Filed 2014·Application pending·0 cites
- 4437US8294325B2Stator core for dynamo-electric machine and manufacturing method thereforMAKIYAMA TAKAHIRO·Filed 2008·Granted Oct 23, 2012·0 cites·13 claims
- 4537US2011025165A1Rotating electrical machineHITACHI LTD·Filed 2010·Application pending·0 cites
- 4634USD621992SLight guiding plateOMRON TATEISI ELECTRONICS CO·Filed 2007·Granted Aug 17, 2010·2 cites·1 claims
- 4732USD766190SRelay socketOMRON TATEISI ELECTRONICS CO·Filed 2014·Granted Sep 13, 2016·1 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →