Inventor · disambiguated record
Koichi Yokoyama
Also filed as: YOKOYAMA KOICHI
29 granted patents·3 pending applications·139 citations·filing 1984–2022
95Inventor score
Files withFURUKAWA ELECTRIC CO LTD6SODICK CO LTD6KURIHARA TSUTOMU3APRICA KASSAI KK2MITSUBISHI POWER LTD2
Top patents by PatentIndex Score
32 records- 0186US11548196B2Injection apparatusSODICK CO LTD·Filed 2020·Granted Jan 10, 2023·1 cites·11 claims
- 0281US8691403B2Method for anodizing aluminum and anodized aluminumAMAKUSA SEIJI·Filed 2009·Granted Apr 8, 2014·14 cites·2 claims
- 0379US10792847B2Injection molding machineSODICK CO LTD·Filed 2017·Granted Oct 6, 2020·1 cites·14 claims
- 0478US6480082B1Circuit breakerHITACHI LTD·Filed 1997·Granted Nov 12, 2002·43 cites·14 claims
- 0576US9023531B2Coated positive electrode active material, positive electrode for nonaqueous secondary battery, nonaqueous secondary battery, and their production methodsUEKI TOMOYOSHI·Filed 2008·Granted May 5, 2015·3 cites·6 claims
- 0675US8199625B2Laser driving device and method with control signal patterns, reference pulses, and changing pulsesKURIHARA TSUTOMU·Filed 2010·Granted Jun 12, 2012·4 cites·21 claims
- 0774US9339962B2Screw position adjusting device for injection molding machineSODICK CO LTD·Filed 2014·Granted May 17, 2016·2 cites·14 claims
- 0873US6816095B1Parallel/serial conversion circuit, light output control circuit, and optical recording apparatusSONY CORP·Filed 2002·Granted Nov 9, 2004·9 cites·15 claims
- 0972US10393814B2Secondary battery state detection device and secondary battery state detection methodFURUKAWA ELECTRIC CO LTD·Filed 2016·Granted Aug 27, 2019·2 cites·20 claims
- 1072US10295605B2State detecting method and state detecting device of secondary batteryFURUKAWA ELECTRIC CO LTD·Filed 2015·Granted May 21, 2019·2 cites·11 claims
- 1172US7445230B2Baby carriageAPRICA KASSAI KK·Filed 2003·Granted Nov 4, 2008·23 cites·8 claims
- 1270US10386420B2Secondary battery degradation determination method and secondary battery degradation determination deviceFURUKAWA ELECTRIC CO LTD·Filed 2015·Granted Aug 20, 2019·2 cites·16 claims
- 1370US9399188B2Apparatus for removing carbon dioxide in combustion exhaust gasMIYAMOTO EIJI·Filed 2011·Granted Jul 26, 2016·3 cites·2 claims
- 1467US8369368B2Laser driving device, laser driving method, optical unit, and light deviceSONY CORP·Filed 2010·Granted Feb 5, 2013·2 cites·13 claims
- 1565US9184613B2Secondary battery state detecting apparatus and secondary battery state detecting methodFURUKAWA ELECTRIC CO LTD·Filed 2013·Granted Nov 10, 2015·2 cites·14 claims
- 1665US8107342B2Laser driving device, optical unit, and light device which can change the setting information for a sampling pulseKURIHARA TSUTOMU·Filed 2010·Granted Jan 31, 2012·2 cites·15 claims
- 1762US9120051B2Method and device for treating exhaust gas containing carbon dioxideYOKOYAMA KOICHI·Filed 2011·Granted Sep 1, 2015·1 cites·5 claims
- 1859US2024165576A1Temperature uniformized heat-exchange-type catalyst reactorMITSUBISHI HEAVY IND LTD·Filed 2022·Application pending·0 cites
- 1956US11951665B2Clamping apparatus of injection molding machineSODICK CO LTD·Filed 2021·Granted Apr 9, 2024·0 cites·15 claims
- 2055US8228773B2Laser driving device and optical apparatusKURIHARA TSUTOMU·Filed 2009·Granted Jul 24, 2012·0 cites·10 claims
- 2153US4652437AProcess for producing anhydrous sodium carbonateASAHI GLASS CO LTD·Filed 1984·Granted Mar 24, 1987·7 cites·7 claims
- 2251US10434459B2Method and device for treating nitroso compoundMITSUBISHI HITACHI POWER SYS·Filed 2015·Granted Oct 8, 2019·0 cites·6 claims
- 2349US2022168722A1Nox reduction catalystMITSUBISHI POWER LTD·Filed 2020·Application pending·0 cites
- 2447US6501633B1Wiring board and electronic device having circuit boardFUJITSU LTD·Filed 2000·Granted Dec 31, 2002·6 cites·7 claims
- 2546US12227689B2Platy chemical heat-storage objectMITSUBISHI POWER LTD·Filed 2019·Granted Feb 18, 2025·0 cites·20 claims
- 2641US8741245B2Carbon dioxide-absorbing solution and method of recovering carbon dioxideYOKOYAMA KOICHI·Filed 2009·Granted Jun 3, 2014·0 cites·6 claims
- 2741US5366366AInjection molding machine having a machine screw driving gearSODICK CO LTD·Filed 1993·Granted Nov 22, 1994·9 cites·9 claims
- 2841US2004149790A1Baby carrierAPRICA KASSAI KK·Filed 2003·Application pending·0 cites
- 2940US10393820B2Secondary battery state detecting device and secondary battery state detecting methodFURUKAWA ELECTRIC CO LTD·Filed 2015·Granted Aug 27, 2019·0 cites·20 claims
- 3036US10466302B2Secondary battery state detecting device and secondary battery state detecting methodFURUKAWA ELECTRIC CO LTD·Filed 2015·Granted Nov 5, 2019·0 cites·20 claims
- 3130US5364255AScrew position adjusting device for an injection molding machineSODICK CO LTD·Filed 1993·Granted Nov 15, 1994·1 cites·6 claims
- 3224US7757701B2Ultrasonic cleaning method and deviceDENSO CORP·Filed 2006·Granted Jul 20, 2010·0 cites·8 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →