Inventor · disambiguated record
Koji Ishikawa
Also filed as: ISHIKAWA KOJI
49 granted patents·13 pending applications·422 citations·filing 1976–2020
98Inventor score
Top patents by PatentIndex Score
62 records- 0194US7637783B2Contact member having multiple contact parts and connector including sameFUJITSU COMPONENT LTD·Filed 2008·Granted Dec 29, 2009·54 cites·18 claims
- 0290US5447027AHydraulic drive system for hydraulic working machinesHITACHI CONSTRUCTION MACHINERY·Filed 1994·Granted Sep 5, 1995·42 cites·12 claims
- 0388US10254629B2Electronic deviceCANON KK·Filed 2018·Granted Apr 9, 2019·4 cites·29 claims
- 0487US11118255B2Cu-Al-Mn-based alloy material, method of producing the same, and rod material or sheet material using the sameFURUKAWA ELECTRIC CO LTD·Filed 2016·Granted Sep 14, 2021·2 cites·3 claims
- 0587US10261396B2Electronic deviceCANON KK·Filed 2018·Granted Apr 16, 2019·3 cites·13 claims
- 0680US7772542B2Imaging apparatus having photoelectric conversion unit with position adjustment plateCANON KK·Filed 2008·Granted Aug 10, 2010·8 cites·8 claims
- 0778US7928033B2Catalyst for reducing mercury, a mercury conversion unit, and an apparatus for measuring total mercury in combustion exhaust gas by using the sameHORIBA LTD·Filed 2007·Granted Apr 19, 2011·5 cites·20 claims
- 0876US9379465B2Connection terminal having a press-fitting part inserted into a hollow part of a holding memberNHK SPRING CO LTD·Filed 2013·Granted Jun 28, 2016·5 cites·11 claims
- 0976US8493503B2Imaging apparatusISHIKAWA KOJI·Filed 2010·Granted Jul 23, 2013·3 cites·11 claims
- 1076US7942677B2Conductive contact and conductive contact unitNHK SPRING CO LTD·Filed 2007·Granted May 17, 2011·9 cites·10 claims
- 1176US4139672AProcess for forming a coating having a metallic finishMITSUI TOATSU CHEMICALS·Filed 1976·Granted Feb 13, 1979·27 cites·10 claims
- 1275US10859892B2Electronic deviceCANON KK·Filed 2019·Granted Dec 8, 2020·1 cites·23 claims
- 1375US6654064B2Image pickup device incorporating a position defining memberCANON KK·Filed 1998·Granted Nov 25, 2003·48 cites·7 claims
- 1474US7014487B2Connector capable of preventing abrasionFUJITSU LTD·Filed 2004·Granted Mar 21, 2006·21 cites·6 claims
- 1572US9131131B2Electronic device having a main body and a moveable unit connected to the main bodyISHIKAWA KOJI·Filed 2011·Granted Sep 8, 2015·2 cites·14 claims
- 1672US5673558AHydraulic circuit system for hydraulic excavatorHITACHI CONSTRUCTION MACHINERY·Filed 1995·Granted Oct 7, 1997·38 cites·10 claims
- 1771US5421155AHydraulic drive system for hydraulic working machinesHITACHI CONSTRUCTION MACHINERY·Filed 1993·Granted Jun 6, 1995·34 cites·15 claims
- 1870US8845844B2Vacuum lamination system and vacuum lamination methodMEIKI SEISAKUSHO KK·Filed 2012·Granted Sep 30, 2014·3 cites·4 claims
- 1970US8289720B2Electronic apparatusISHIKAWA KOJI·Filed 2010·Granted Oct 16, 2012·7 cites·6 claims
- 2069US7740822B2Method for purification of disilicon hexachloride and high purity disilicon hexachlorideTOAGOSEI CO LTD·Filed 2006·Granted Jun 22, 2010·2 cites·17 claims
- 2168US7866986B2Conductive contact unit and conductive contactNHK SPRING CO LTD·Filed 2006·Granted Jan 11, 2011·6 cites·4 claims
- 2265US7445456B2Printed circuit boardCANON KK·Filed 2007·Granted Nov 4, 2008·2 cites·5 claims
- 2364US10866489B2Electronic deviceCANON KK·Filed 2019·Granted Dec 15, 2020·0 cites·18 claims
- 2463US9426881B2Print circuit board and electronic device using the sameISHIKAWA KOJI·Filed 2008·Granted Aug 23, 2016·2 cites·5 claims
- 2562US7976807B2Method for detoxifying HCD gas and apparatus thereforKANKEN TECHNO CO LTD·Filed 2007·Granted Jul 12, 2011·1 cites·1 claims
- 2661US11092878B2Electronic deviceCANON KK·Filed 2020·Granted Aug 17, 2021·0 cites·7 claims
- 2761US7955122B2Conductive contact unitNHK SPRING CO LTD·Filed 2007·Granted Jun 7, 2011·4 cites·14 claims
- 2861US4142018AProcess for forming metallic finish coatingsMITSUI TOATSU CHEMICALS·Filed 1977·Granted Feb 27, 1979·15 cites·10 claims
- 2960US11959161B2Copper-based alloy material, production method therefor, and members or parts made of copper-based alloy materialFURUKAWA TECHNO MAT CO LTD·Filed 2019·Granted Apr 16, 2024·0 cites·28 claims
- 3059US7362933B2Optical branching unitOMRON TATEISI ELECTRONICS CO·Filed 2006·Granted Apr 22, 2008·2 cites·11 claims
- 3159US5465178AFocusing optical system for semiconductor lasersOLYMPUS OPTICAL CO·Filed 1993·Granted Nov 7, 1995·22 cites·7 claims
- 3256US8118600B2Inserting connector, connector unit, and backplaneMIKI YASUYUKI·Filed 2010·Granted Feb 21, 2012·3 cites·16 claims
- 3356US7487609B2Hydraulic circuit device of hydraulic working machineHITAHI CONSTRUCTION MACHINERY·Filed 2002·Granted Feb 10, 2009·11 cites·1 claims
- 3454US7789707B2Conductive contact unitNHK SPRING CO LTD·Filed 2007·Granted Sep 7, 2010·2 cites·6 claims
- 3554US7612333B2Imaging apparatus and photoelectric conversion element package retaining unitCANON KK·Filed 2008·Granted Nov 3, 2009·0 cites·10 claims
- 3650US5877553AMetallic electronic component packaging arrangementNHK SPRING CO LTD·Filed 1996·Granted Mar 2, 1999·16 cites·5 claims
- 3749US9318851B2Connector and manufacturing method thereofFUJITSU LTD·Filed 2014·Granted Apr 19, 2016·0 cites·12 claims
- 3848US4455360AElectrophotographic toner comprising cinnamic acidMITSUI TOATSU CHEMICALS·Filed 1980·Granted Jun 19, 1984·8 cites·20 claims
- 3948US2018200940A1Hollow moldNIHON PLAST CO LTD·Filed 2018·Application pending·0 cites
- 4047US8690229B2Cowl top cover and method of manufacturing the sameNIHON PLAST CO LTD·Filed 2012·Granted Apr 8, 2014·0 cites·4 claims
- 4146US8637782B2Switch unit and electronic device including switch unitISHIKAWA KOJI·Filed 2011·Granted Jan 28, 2014·0 cites·8 claims
- 4246US2004264934A1Device and method for recording on and playing back a discISHIKAWA KOJI·Filed 2004·Application pending·0 cites
- 4346US2008102272A1Adhesive wrapping filmSAKAMOTO YUICHIRO·Filed 2007·Application pending·0 cites
- 4446US2009153161A1Probe Holder and Probe UnitISHIKAWA KOJI·Filed 2006·Application pending·0 cites
- 4545US9236153B2Method of recovering enriched radioactive technetium and system thereforTATENUMA KATSUYOSHI·Filed 2009·Granted Jan 12, 2016·1 cites·8 claims
- 4645US6206801B1Continuously variable transmissionNSK LTD·Filed 1998·Granted Mar 27, 2001·9 cites·16 claims
- 4744US10076043B2Wiring board soldered with lead wire and electronic device comprising wiring boardCANON KK·Filed 2016·Granted Sep 11, 2018·0 cites·5 claims
- 4843US10351939B2Cu—Al—Mn-based alloy exhibiting stable superelasticity and method of producing the sameUNIV TOHOKU·Filed 2015·Granted Jul 16, 2019·0 cites·4 claims
- 4943US2011064620A1Catalyst for reducing mercury, a mercury conversion unit, and an apparatus for measuring total mercury in combustion exhaust gas by using the sameAKIYAMA SHIGEYUKI·Filed 2010·Application pending·0 cites
- 5042US9212469B2Work machineHITACHI CONSTRUCTION MACHINERY·Filed 2012·Granted Dec 15, 2015·0 cites·3 claims
Showing the top 50 of 62 patent records by PatentIndex Score.
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