Inventor · disambiguated record
Kotaro Chiba
Also filed as: CHIBA KOTARO
25 granted patents·8 pending applications·29 citations·filing 1986–2024
91Inventor score
Files withHITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD18NISSAN MOTOR8HITACHI LTD4CHIYODA CHEM ENG CONSTRUCT CO1JAPAN STEEL WORKS LTD1
Top patents by PatentIndex Score
33 records- 0191US11873817B2Liquid-feeding rotary-screw compressorHITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD·Filed 2020·Granted Jan 16, 2024·2 cites·7 claims
- 0278US2024183357A1Screw compressorHITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD·Filed 2024·Application pending·0 cites
- 0376US12123413B2Screw compressor having a plurality of branch paths with intersects and central axesHITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD·Filed 2022·Granted Oct 22, 2024·0 cites·2 claims
- 0470US11359626B2Screw compressor having a plurality of branch paths with intersects and central axesHITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD·Filed 2018·Granted Jun 14, 2022·0 cites·2 claims
- 0568US11933300B2Screw compressor having a screw rotor whose pitch changes in an axial direction from a suction end surface toward a discharge end surfaceHITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD·Filed 2020·Granted Mar 19, 2024·0 cites·9 claims
- 0666US12313069B2Screw compressorHITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD·Filed 2022·Granted May 27, 2025·0 cites·6 claims
- 0766US12078172B2Multi-stage screw compressorHITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD·Filed 2022·Granted Sep 3, 2024·0 cites·8 claims
- 0862US12146481B2Gas compressorHITACHI LTD·Filed 2023·Granted Nov 19, 2024·0 cites·22 claims
- 0959US12123411B2Liquid-cooled rotary compressor and coolant supply method thereforHITACHI LTD·Filed 2023·Granted Oct 22, 2024·0 cites·10 claims
- 1058US11231036B2Screw compressor having an opening of a fluid supply portion between the compression intersection line and a trajectory lineHITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD·Filed 2018·Granted Jan 25, 2022·0 cites·7 claims
- 1158US10514037B2Liquid feeding type screw compressorHITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD·Filed 2016·Granted Dec 24, 2019·0 cites·15 claims
- 1256US11149734B2Fluid machineHITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD·Filed 2017·Granted Oct 19, 2021·0 cites·6 claims
- 1356US2024403836A1Product circulation method and processor systemHITACHI LTD·Filed 2022·Application pending·0 cites
- 1454US11719241B2Screw compressor having a lubrication path for a plurality of suction side bearingsHITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD·Filed 2019·Granted Aug 8, 2023·0 cites·7 claims
- 1553US9315147B2Brake light control deviceNISSAN MOTOR·Filed 2012·Granted Apr 19, 2016·1 cites·4 claims
- 1653US4723595AHeat exchanger using hydrogen storage alloyCHIYODA CHEM ENG CONSTRUCT CO·Filed 1986·Granted Feb 9, 1988·20 cites·4 claims
- 1752US12135032B2Screw compressor having working chamber closing member to regulate suction working medium flow to a working chamberHITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD·Filed 2022·Granted Nov 5, 2024·0 cites·8 claims
- 1852US12110889B2Screw compressorHITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD·Filed 2021·Granted Oct 8, 2024·0 cites·16 claims
- 1952US11428228B2Screw compressor having a different pressure of the fluid applied to the seal ring on the delivery side shaft sealing unitHITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD·Filed 2018·Granted Aug 30, 2022·0 cites·10 claims
- 2051US2022049700A1Screw CompressorHITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD·Filed 2019·Application pending·0 cites
- 2151US2025299553A1Cargo compartment monitoring device and cargo compartment monitoring methodNISSAN MOTOR·Filed 2023·Application pending·0 cites
- 2250US10145374B2Screw compressorJOHNSON CONTROLS—HITACHI AIR CONDITIONING TECH HONG KONG LIMITED·Filed 2014·Granted Dec 4, 2018·0 cites·10 claims
- 2348US12307393B2Vehicle travel assistance device, vehicle travel assistance system, and vehicle travel assistance methodNISSAN MOTOR·Filed 2021·Granted May 20, 2025·0 cites·12 claims
- 2448US12025129B2Liquid supply type screw compressorHITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD·Filed 2021·Granted Jul 2, 2024·0 cites·6 claims
- 2547US12442374B2Screw compressor with improved suction flowHITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD·Filed 2023·Granted Oct 14, 2025·0 cites·8 claims
- 2647US2023289686A1Carpooling support method, carpooling support device, and carpooling support systemNISSAN MOTOR·Filed 2020·Application pending·0 cites
- 2746US12293387B2Information processing device and information processing methodNISSAN MOTOR·Filed 2021·Granted May 6, 2025·0 cites·13 claims
- 2846US2024210182A1Information processing device and information processing methodNISSAN MOTOR·Filed 2021·Application pending·0 cites
- 2944US12031536B2Screw compressor and screw rotorHITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD·Filed 2021·Granted Jul 9, 2024·0 cites·10 claims
- 3043US2024278718A1Lost article prevention device, lost article prevention program, and lost article prevention methodNISSAN MOTOR·Filed 2021·Application pending·0 cites
- 3142US5057286AVessel for use in hydrothermal synthesisJAPAN STEEL WORKS LTD·Filed 1990·Granted Oct 15, 1991·6 cites·9 claims
- 3240US10995756B2Air compressorHITACHI LTD·Filed 2017·Granted May 4, 2021·0 cites·3 claims
- 3335US2014365097A1Yaw moment control device for vehicleNISSAN MOTOR·Filed 2013·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →