Inventor · disambiguated record
Yoshiki Kato
Also filed as: CHIBA KATSUYOSHI · FUKKE HAJIME · KATO YOSHIKI
68 granted patents·35 pending applications·806 citations·filing 1978–2025
99Inventor score
Top patents by PatentIndex Score
103 records- 0195US11833887B2Vehicular air conditionerDENSO CORP·Filed 2021·Granted Dec 5, 2023·5 cites·11 claims
- 0295US11299014B2Refrigeration cycle deviceDENSO CORP·Filed 2020·Granted Apr 12, 2022·6 cites·12 claims
- 0395US10723203B2Refrigeration cycle deviceDENSO CORP·Filed 2016·Granted Jul 28, 2020·12 cites·17 claims
- 0495US5202810AMagnetic disk having an improved surface configurationHITACHI LTD·Filed 1990·Granted Apr 13, 1993·76 cites·14 claims
- 0593US11787258B2Refrigeration cycle deviceDENSO CORP·Filed 2020·Granted Oct 17, 2023·4 cites·4 claims
- 0692US11498391B2Air conditionerDENSO CORP·Filed 2020·Granted Nov 15, 2022·8 cites·17 claims
- 0792US10899195B2Refrigeration cycle deviceDENSO CORP·Filed 2017·Granted Jan 26, 2021·7 cites·20 claims
- 0892US10562376B2Refrigeration cycle deviceDENSO CORP·Filed 2016·Granted Feb 18, 2020·11 cites·13 claims
- 0992US5815343AMagnetic recording medium, process for producing the same and magnetic recording systemHITACHI LTD·Filed 1997·Granted Sep 29, 1998·77 cites·62 claims
- 1092US5388020AMagnetic disk having improved surface configuration and magnetic disk unit including sameHITACHI LTD·Filed 1992·Granted Feb 7, 1995·61 cites·7 claims
- 1191US11029098B2Device temperature regulatorDENSO CORP·Filed 2019·Granted Jun 8, 2021·3 cites·20 claims
- 1291US10950909B2Device temperature regulatorDENSO CORP·Filed 2019·Granted Mar 16, 2021·3 cites·17 claims
- 1390US5750230AMagnetic recording media and magnetic recording system using the sameHITACHI LTD·Filed 1993·Granted May 12, 1998·44 cites·27 claims
- 1489US10837348B2Thermal management device for vehicleDENSO CORP·Filed 2017·Granted Nov 17, 2020·5 cites·20 claims
- 1589US10400662B2Vehicular heat management deviceDENSO CORP·Filed 2016·Granted Sep 3, 2019·4 cites·13 claims
- 1688US11408615B2Refrigeration cycle deviceDENSO CORP·Filed 2020·Granted Aug 9, 2022·2 cites·8 claims
- 1788US10717341B2Vehicular heat management systemDENSO CORP·Filed 2016·Granted Jul 21, 2020·4 cites·12 claims
- 1887US5364655ASimultaneous double sides polishing methodHITACHI LTD·Filed 1992·Granted Nov 15, 1994·48 cites·9 claims
- 1986US12049122B2Refrigeration cycle deviceDENSO CORP·Filed 2021·Granted Jul 30, 2024·1 cites·15 claims
- 2085US12046779B2Fuel cell power generation system for treating exhaust fuel gasMITSUBISHI HEAVY IND LTD·Filed 2021·Granted Jul 23, 2024·1 cites·14 claims
- 2184US5504646AMagnetic disk including protective layer having surface with protusions and magnetic disk apparatus including the magnetic diskHITACHI LTD·Filed 1993·Granted Apr 2, 1996·29 cites·23 claims
- 2284US5353182AMagnetic disk unit having magnetic disks and a magnetic head with a head slider which is in contact with surfaces of the magnetic diskHITACHI LTD·Filed 1992·Granted Oct 4, 1994·31 cites·9 claims
- 2384US4430387ABase plate for magnetic recording discHITACHI LTD·Filed 1980·Granted Feb 7, 1984·46 cites·14 claims
- 2481US11897316B2Refrigeration cycle deviceDENSO CORP·Filed 2021·Granted Feb 13, 2024·1 cites·4 claims
- 2581US10989447B2Refrigeration cycle deviceDENSO CORP·Filed 2019·Granted Apr 27, 2021·2 cites·3 claims
- 2679US6853106B2Brushless motorMITSUBISHI HEAVY IND LTD·Filed 2001·Granted Feb 8, 2005·24 cites·13 claims
- 2778US5411630AMagnetic disk manufacturing methodHITACHI LTD·Filed 1993·Granted May 2, 1995·29 cites·23 claims
- 2878US2025207805A1Air conditionerDENSO CORP·Filed 2025·Application pending·0 cites
- 2977US9312799B2Motor control device and motor control methodMITSUBISHI HEAVY IND LTD·Filed 2012·Granted Apr 12, 2016·4 cites·8 claims
- 3077US6303205B1Magnetic disk including protective layer having surface with protrusions, and substrate thereforHITACHI LTD·Filed 1999·Granted Oct 16, 2001·24 cites·12 claims
- 3176US10723199B2Vehicular heat management deviceDENSO CORP·Filed 2016·Granted Jul 28, 2020·2 cites·11 claims
- 3275US6057021AMagnetic recording media and magnetic recording system using the sameHITACHI LTD·Filed 1997·Granted May 2, 2000·42 cites·7 claims
- 3374US5285343AMagnetic disk with surface protective layer having convex portions and magnetic disk apparatus including such a magnetic diskHITACHI LTD·Filed 1990·Granted Feb 8, 1994·26 cites·20 claims
- 3472US11014430B2Refrigeration cycle deviceDENSO CORP·Filed 2019·Granted May 25, 2021·1 cites·15 claims
- 3571US2025250688A1Electrolysis systemAISIN CORP·Filed 2025·Application pending·0 cites
- 3670US12359838B2Air conditionerDENSO CORP·Filed 2021·Granted Jul 15, 2025·0 cites·11 claims
- 3769US10752089B2Air conditionerDENSO CORP·Filed 2017·Granted Aug 25, 2020·1 cites·16 claims
- 3869US4762534AMethod of producing magnetic diskHITACHI LTD·Filed 1986·Granted Aug 9, 1988·17 cites·17 claims
- 3968US10906141B2Method for manufacturing device temperature control device and method for filling working fluidDENSO CORP·Filed 2019·Granted Feb 2, 2021·1 cites·7 claims
- 4068US2025250686A1Water electrolysis deviceAISIN CORP·Filed 2025·Application pending·0 cites
- 4167US4842618AMethod of producing magnetic diskHITACHI LTD·Filed 1988·Granted Jun 27, 1989·10 cites·5 claims
- 4266US9438156B2Motor control device and motor control methodMITSUBISHI HEAVY IND LTD·Filed 2012·Granted Sep 6, 2016·2 cites·6 claims
- 4365US9350282B2Motor control device and motor control methodMITSUBISHI HEAVY IND LTD·Filed 2012·Granted May 24, 2016·2 cites·6 claims
- 4462USD1071153SUltrasound catheterASAHI INTECC CO LTD·Filed 2023·Granted Apr 15, 2025·2 cites·1 claims
- 4562US4238341AComposition of magnetic recording mediaHITACHI LTD·Filed 1979·Granted Dec 9, 1980·15 cites·9 claims
- 4662US2025041841A1Photocatalyst coating agent, photocatalyst coated body, and photocatalyst coating methodSHARP KK·Filed 2024·Application pending·0 cites
- 4760US9297676B2Error frequency component acquisition device, angle of rotation acquisition device, motor control device, and angle of rotation acquisition methodKATO YOSHIKI·Filed 2012·Granted Mar 29, 2016·2 cites·5 claims
- 4860US2024207832A1Photocatalyst coating liquidSHARP KK·Filed 2023·Application pending·0 cites
- 4960US2024358348A1CatheterASAHI INTECC CO LTD·Filed 2024·Application pending·0 cites
- 5060US2024207833A1Photocatalyst coating liquid and photocatalyst coating layerSHARP KK·Filed 2023·Application pending·0 cites
Showing the top 50 of 103 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →