Inventor · disambiguated record
Kenta Kumagai
Also filed as: KUMAGAI KENTA
21 granted patents·2 pending applications·507 citations·filing 1986–2024
96Inventor score
Files withHITACHI LTD18JAPAN AVIATION ELECTRONICS IND LTD2UTSUKI TOSHIYUKI2HITACHI VIA MECHANICS LTD1
Top patents by PatentIndex Score
23 records- 0196US5796580AAir-cooled information processing apparatus having cooling air fan, sub-fan, and plural separated cooling air flow channelsHITACHI LTD·Filed 1994·Granted Aug 18, 1998·237 cites·19 claims
- 0283USD332258SCombined facsimile transceiver and copying machineHITACHI LTD·Filed 1991·Granted Jan 5, 1993·26 cites·1 claims
- 0381USD690694SMagnetic disk storage unit for electronic computerUTSUKI TOSHIYUKI·Filed 2011·Granted Oct 1, 2013·31 cites·1 claims
- 0475USD371347SComputerHITACHI LTD·Filed 1995·Granted Jul 2, 1996·19 cites·1 claims
- 0574USD427191SComputer housingHITACHI LTD·Filed 1999·Granted Jun 27, 2000·18 cites·1 claims
- 0673USD730894SMagnetic disc storage unit for electronic computerHITACHI LTD·Filed 2013·Granted Jun 2, 2015·18 cites·1 claims
- 0766USD432534SComputerHITACHI LTD·Filed 1999·Granted Oct 24, 2000·13 cites·1 claims
- 0865USD733134SMagnetic disk storage unit for electronic computerHITACHI LTD·Filed 2013·Granted Jun 30, 2015·13 cites·1 claims
- 0965USD444148SComputer housingHITACHI LTD·Filed 2000·Granted Jun 26, 2001·14 cites·1 claims
- 1064USD460886SFront panel of a storage unitHITACHI LTD·Filed 2001·Granted Jul 30, 2002·14 cites·1 claims
- 1163USD479230SComputerHITACHI LTD·Filed 2000·Granted Sep 2, 2003·16 cites·1 claims
- 1262USD440564SMagnetic disc storage unit for electronic computerHITACHI LTD·Filed 2000·Granted Apr 17, 2001·13 cites·1 claims
- 1362USD389464SComputerHITACHI LTD·Filed 1996·Granted Jan 20, 1998·12 cites·1 claims
- 1461US2024332881A1Structure, release jig and unlocking method of lock of structure using release jigJAPAN AVIATION ELECTRONICS IND LTD·Filed 2024·Application pending·0 cites
- 1561US2024305032A1StructureJAPAN AVIATION ELECTRONICS IND LTD·Filed 2024·Application pending·0 cites
- 1660USD733135SMagnetic disk storage unit for electronic computerHITACHI LTD·Filed 2013·Granted Jun 30, 2015·11 cites·1 claims
- 1758USD394246SComputer housingHITACHI LTD·Filed 1996·Granted May 12, 1998·11 cites·1 claims
- 1857USD650383SMagnetic disc storage unit for electronic computerUTSUKI TOSHIYUKI·Filed 2010·Granted Dec 13, 2011·11 cites·1 claims
- 1953USD374965SATM communication apparatusHITACHI LTD·Filed 1994·Granted Oct 22, 1996·7 cites·1 claims
- 2046US6217265B1Printed circuit board drilling machine and its maintenance methodHITACHI VIA MECHANICS LTD·Filed 1999·Granted Apr 17, 2001·11 cites·4 claims
- 2144USD306723STelevision receiverHITACHI LTD·Filed 1987·Granted Mar 20, 1990·4 cites·1 claims
- 2242USD317600STelevision receiverHITACHI LTD·Filed 1989·Granted Jun 18, 1991·4 cites·1 claims
- 2340USD300173SAir-conditionerHITACHI LTD·Filed 1986·Granted Mar 7, 1989·4 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →