Inventor · disambiguated record
Takashi Nagaoka
Also filed as: NAGAOKA TAKASHI
23 granted patents·7 pending applications·535 citations·filing 1983–2024
96Inventor score
Files withHITACHI LTD14SHOWA DENKO PACKAGING CO LTD10MATSUSHITA ELECTRIC INDUSTRIAL CO LTD2MITSUBISHI HEAVY IND LTD1OJI PAPER CO1
Top patents by PatentIndex Score
30 records- 0194US5961291ATurbo vacuum pump with a magnetically levitated rotor and a control unit for displacing the rotator at various angles to scrape deposits from the inside of the pumpHITACHI LTD·Filed 1997·Granted Oct 5, 1999·128 cites·20 claims
- 0285US12214571B2Molding packaging material, power storage device packaging case, and power storage deviceSHOWA DENKO PACKAGING CO LTD·Filed 2023·Granted Feb 4, 2025·0 cites·8 claims
- 0385US5062771AVacuum system with a secondary gas also connected to the roughing pump for a semiconductor processing chamberHITACHI LTD·Filed 1989·Granted Nov 5, 1991·48 cites·52 claims
- 0485US5020969ATurbo vacuum pumpHITACHI LTD·Filed 1989·Granted Jun 4, 1991·55 cites·30 claims
- 0584US2024243394A1Packaging material, case, and power storage deviceSHOWA DENKO PACKAGING CO LTD·Filed 2024·Application pending·0 cites
- 0681US4734018AVacuum pump with plural labyrinth seal portionsHITACHI LTD·Filed 1986·Granted Mar 29, 1988·38 cites·5 claims
- 0778US4835114AMethod for LPCVD of semiconductors using oil free vacuum pumpsHITACHI LTD·Filed 1987·Granted May 30, 1989·36 cites·16 claims
- 0877US4668160AVacuum pumpHITACHI LTD·Filed 1986·Granted May 26, 1987·38 cites·3 claims
- 0974US4904155AVacuum pumpHITACHI LTD·Filed 1988·Granted Feb 27, 1990·32 cites·15 claims
- 1071US11766848B2Molding packaging material, power storage device packaging case, and power storage deviceSHOWA DENKO PACKAGING CO LTD·Filed 2018·Granted Sep 26, 2023·0 cites·15 claims
- 1171US10008699B2Package for power storage device and power storage deviceSHOWA DENKO PACKAGING CO LTD·Filed 2016·Granted Jun 26, 2018·1 cites·10 claims
- 1268US7635419B2Shoe press apparatus of a paper machine and paper production methodOJI PAPER CO·Filed 2006·Granted Dec 22, 2009·3 cites·11 claims
- 1367US5190438AVacuum pumpHITACHI LTD·Filed 1991·Granted Mar 2, 1993·26 cites·8 claims
- 1462US5536148ATurbo vacuum pumpHITACHI LTD·Filed 1994·Granted Jul 16, 1996·28 cites·13 claims
- 1561US4618311AVane angle changing device for an axial fluid machineHITACHI LTD·Filed 1983·Granted Oct 21, 1986·28 cites·34 claims
- 1660US2017104189A1Packaging material, case, and power storage deviceSHOWA DENKO PACKAGING CO LTD·Filed 2016·Application pending·0 cites
- 1755US2021194084A1Sealant film for battery packaging materialSHOWA DENKO PACKAGING CO LTD·Filed 2020·Application pending·0 cites
- 1853US7482784B2Degradation judgment circuit for secondary batteryPANASONIC CORP·Filed 2004·Granted Jan 27, 2009·8 cites·15 claims
- 1952US5664935AVacuum pumpHITACHI LTD·Filed 1995·Granted Sep 9, 1997·20 cites·8 claims
- 2051US5501583ATurbo vacuum pumpHITACHI LTD·Filed 1994·Granted Mar 26, 1996·18 cites·8 claims
- 2149US6952888B2Dryer vacuum boxMITSUBISHI HEAVY IND LTD·Filed 2003·Granted Oct 11, 2005·3 cites·13 claims
- 2248US5451147ATurbo vacuum pumpHITACHI LTD·Filed 1991·Granted Sep 19, 1995·16 cites·7 claims
- 2347US11731398B2Exterior material for power storage device and power storage deviceSHOWA DENKO PACKAGING CO LTD·Filed 2017·Granted Aug 22, 2023·0 cites·8 claims
- 2447US2019344541A1Packaging material and method of producing sameSHOWA DENKO PACKAGING CO LTD·Filed 2017·Application pending·0 cites
- 2545US10217974B2Sealant film for packaging material of power storage device, packaging material for power storage device, and power storage deviceSHOWA DENKO PACKAGING CO LTD·Filed 2016·Granted Feb 26, 2019·0 cites·20 claims
- 2645US10109827B2Sealant film for packaging material of power storage device, packaging material for power storage device, and power storage deviceSHOWA DENKO PACKAGING CO LTD·Filed 2016·Granted Oct 23, 2018·0 cites·18 claims
- 2741US2004257041A1Charging and discharging control apparatus for backup batteryMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Application pending·0 cites
- 2841US2004257044A1Backup battery and discharging control apparatus thereforMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Application pending·0 cites
- 2940US5380171ATurbo vacuum pumpHITACHI LTD·Filed 1993·Granted Jan 10, 1995·9 cites·10 claims
- 3036US2004050520A1Paper machineFiled 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →