Inventor · disambiguated record
Kohei Fujii
Also filed as: FUJII KOHEI
24 granted patents·4 pending applications·99 citations·filing 2002–2024
94Inventor score
Files withMACOM TECH SOLUTIONS HOLDINGS INC8AVAGO TECHNOLOGIES WIRELESS IP5TORAY INDUSTRIES4ZEON CORP3NEC CORP2
Top patents by PatentIndex Score
28 records- 0194US9780746B1N-stacked field effect transistor based traveling wave power amplifier for monolithic microwave integrated circuitsMACOM TECH SOLUTIONS HOLDINGS INC·Filed 2016·Granted Oct 3, 2017·14 cites·20 claims
- 0287USD964559SHandle for cathetersTORAY INDUSTRIES·Filed 2020·Granted Sep 20, 2022·15 cites·1 claims
- 0386US10056870B1Balanced distributed power amplifier for monolithic microwave integrated circuitMACOM TECH SOLUTIONS HOLDINGS INC·Filed 2017·Granted Aug 21, 2018·6 cites·20 claims
- 0479US9702286B2Exhaust gas purification system and exhaust gas purification methodMAZDA MOTOR·Filed 2015·Granted Jul 11, 2017·3 cites·8 claims
- 0578US9048457B2Organic EL display deviceZEON CORP·Filed 2013·Granted Jun 2, 2015·4 cites·17 claims
- 0678US7474156B2Impedance transformer for amplifier and amplifier including the sameAVAGO TECHNOLOGIES WIRELESS IP·Filed 2007·Granted Jan 6, 2009·11 cites·18 claims
- 0777US10651805B2Compact dual diode RF power detector for integrated power amplifiersMACOM TECH SOLUTIONS HOLDINGS INC·Filed 2018·Granted May 12, 2020·1 cites·19 claims
- 0876US2024429873A1High voltage stacked transistor amplifierMACOM TECH SOLUTIONS HOLDINGS INC·Filed 2024·Application pending·0 cites
- 0974US10027292B1Compact dual diode RF power detector for integrated power amplifiersMACOM TECH SOLUTIONS HOLDINGS INC·Filed 2016·Granted Jul 17, 2018·2 cites·20 claims
- 1073US7509112B2Wideband image rejection mixerAVAGO TECHNOLOGIES WIRELESS IP·Filed 2004·Granted Mar 24, 2009·14 cites·13 claims
- 1171US8416024B2Impedance matching arrangement for amplifier having split shunt capacitor and amplifier including the sameFUJII KOHEI·Filed 2011·Granted Apr 9, 2013·5 cites·20 claims
- 1270US7400200B2Linear variable gain traveling wave amplifierAVAGO TECHNOLOGIES WIRELESS IP·Filed 2006·Granted Jul 15, 2008·7 cites·13 claims
- 1369US12494754B2Symmetrical common gate direct current bias network for stacked field effect transmitter distributed high-power amplifier, related apparatuses and related methodsMACOM TECH SOLUTIONS HOLDINGS INC·Filed 2022·Granted Dec 9, 2025·0 cites·20 claims
- 1467US12113484B2High voltage stacked transistor amplifierMACOM TECH SOLUTIONS HOLDINGS INC·Filed 2021·Granted Oct 8, 2024·0 cites·38 claims
- 1562US9795923B2Cartridge type hollow fiber membrane moduleTORAY INDUSTRIES·Filed 2013·Granted Oct 24, 2017·1 cites·10 claims
- 1660US7512394B2Wideband up-conversion mixerAVAGO TECHNOLOGIES WIRELESS IP·Filed 2004·Granted Mar 31, 2009·7 cites·12 claims
- 1759US7020466B2Mobile radiotelephone connecting apparatus and mobile radiotelephone connecting systemNEC CORP·Filed 2002·Granted Mar 28, 2006·7 cites·6 claims
- 1857US12424678B2Battery packTOYODA GOSEI KK·Filed 2021·Granted Sep 23, 2025·0 cites·5 claims
- 1956US2023133221A1Battery packTOYODA GOSEI KK·Filed 2021·Application pending·0 cites
- 2051US9285525B2Organic EL display deviceZEON CORP·Filed 2015·Granted Mar 15, 2016·0 cites·18 claims
- 2151US7358815B2Monolithic transformer based amplifier for integrated circuitsAVAGO TECHNOLOGIES WIRELESS IP·Filed 2005·Granted Apr 15, 2008·2 cites·16 claims
- 2250US2023141641A1Balloon catheterTORAY INDUSTRIES·Filed 2021·Application pending·0 cites
- 2349US10175402B2Phase difference film layered body having layer with specified ratio of polyphenylene ether to polystyrene-based polymer and method for producing the sameZEON CORP·Filed 2013·Granted Jan 8, 2019·0 cites·11 claims
- 2447US10818617B2Flange mount millimeter-wave packageMACOM TECH SOLUTIONS HOLDINGS INC·Filed 2018·Granted Oct 27, 2020·0 cites·20 claims
- 2547US7321782B2Relay apparatusNEC CORP·Filed 2003·Granted Jan 22, 2008·0 cites·14 claims
- 2646US2025172373A1Initiator, initiator device, and method for manufacturing initiatorDAICEL CORP·Filed 2023·Application pending·0 cites
- 2743US11826094B2Method of manufacturing catheter and catheter manufactured by the methodTORAY INDUSTRIES·Filed 2020·Granted Nov 28, 2023·0 cites·5 claims
- 2835US11156170B2Control device for internal combustion engineAISIN SEIKI·Filed 2018·Granted Oct 26, 2021·0 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →