Inventor · disambiguated record
Kazuhiro Tsukamoto
Also filed as: TSUKAMOTO KAZUHIRO
28 granted patents·6 pending applications·339 citations·filing 1987–2025
96Inventor score
Files withTDK CORP15MITSUBISHI ELECTRIC CORP9HITACHI INDUSTRIAL PRODUCTS LTD3KAWAI MUSICAL INSTR MFG CO3RENESAS ELECTRONICS CORP2
Top patents by PatentIndex Score
34 records- 0194US11356073B2Multilayer filterTDK CORP·Filed 2021·Granted Jun 7, 2022·4 cites·4 claims
- 0292US4837747ARedundary circuit with a spare main decoder responsive to an address of a defective cell in a selected cell blockMITSUBISHI ELECTRIC CORP·Filed 1987·Granted Jun 6, 1989·77 cites·18 claims
- 0389US5406875AKeyboard apparatus for electronic musical instrumentKAWAI MUSICAL INSTR MFG CO·Filed 1993·Granted Apr 18, 1995·54 cites·2 claims
- 0488US10263600B2Band-pass filter and branching filterTDK CORP·Filed 2016·Granted Apr 16, 2019·6 cites·14 claims
- 0588US8384160B2Semiconductor device and method of manufacturing sameRENESAS ELECTRONICS CORP·Filed 2009·Granted Feb 26, 2013·12 cites·14 claims
- 0672US5542332AKeyboard apparatus for electronic musical instrumentKAWAI MUSICAL INSTR MFG CO·Filed 1994·Granted Aug 6, 1996·22 cites·2 claims
- 0772US5448512ASemiconductor memory device with contact region intermediate memory cell and peripheral circuitMITSUBISHI ELECTRIC CORP·Filed 1993·Granted Sep 5, 1995·26 cites·13 claims
- 0871US10193527B2Branching filterTDK CORP·Filed 2016·Granted Jan 29, 2019·2 cites·12 claims
- 0971US6483140B1DRAM storage node with insulating sidewallsMITSUBISHI ELECTRIC CORP·Filed 2000·Granted Nov 19, 2002·13 cites·3 claims
- 1067US2024282497A1Multilayer inductorTDK CORP·Filed 2023·Application pending·0 cites
- 1166US9413328B2Diplexer including two bandpass filtersTDK CORP·Filed 2014·Granted Aug 9, 2016·2 cites·7 claims
- 1266US5580813AMethod of forming a semiconductor memory device having a contact region between memory cell and an interlayer insolating layerMITSUBISHI ELECTRIC CORP·Filed 1995·Granted Dec 3, 1996·20 cites·5 claims
- 1366US4843596ASemiconductor memory device with address transition detection and timing controlMITSUBISHI ELECTRIC CORP·Filed 1987·Granted Jun 27, 1989·22 cites·1 claims
- 1465US2025233572A1Multilayer electronic componentTDK CORP·Filed 2025·Application pending·0 cites
- 1564US2025232909A1Electronic componentTDK CORP·Filed 2025·Application pending·0 cites
- 1664US2025233578A1Filter circuitTDK CORP·Filed 2025·Application pending·0 cites
- 1763US12261588B2Electronic componentTDK CORP·Filed 2022·Granted Mar 25, 2025·0 cites·12 claims
- 1862US11705881B2Branching filterTDK CORP·Filed 2022·Granted Jul 18, 2023·0 cites·9 claims
- 1960US5578861ASemiconductor device having redundant circuitMITSUBISHI ELECTRIC CORP·Filed 1994·Granted Nov 26, 1996·27 cites·9 claims
- 2057US10554195B2Band-pass filter and branching filterTDK CORP·Filed 2019·Granted Feb 4, 2020·0 cites·14 claims
- 2157US6025652ASemiconductor device and method of producing sameMITSUBISHI ELECTRIC CORP·Filed 1998·Granted Feb 15, 2000·16 cites·5 claims
- 2256US12063024B2LC circuit and filterTDK CORP·Filed 2022·Granted Aug 13, 2024·0 cites·23 claims
- 2355US11711063B2Multilayer filter deviceTDK CORP·Filed 2022·Granted Jul 25, 2023·0 cites·9 claims
- 2453US4934826ABlock partitioned dynamic semiconductor memory deviceMITSUBISHI ELECTRIC CORP·Filed 1988·Granted Jun 19, 1990·13 cites·9 claims
- 2550US8580632B2Semiconductor device and method of manufacturing sameRENESAS ELECTRONICS CORP·Filed 2013·Granted Nov 12, 2013·0 cites·6 claims
- 2648US5571983AAbutment device for a key switch arrangement operable with both hammer-equipped and hammerless keyboards for electronic musical instrumentsKAWAI MUSICAL INSTR MFG CO·Filed 1993·Granted Nov 5, 1996·11 cites·11 claims
- 2746US7777280B2Semiconductor device and manufacturing method thereofRENESAS TECH CORP·Filed 2008·Granted Aug 17, 2010·0 cites·15 claims
- 2846US4823322ADynamic random access memory device having an improved timing arrangementMITSUBISHI ELECTRIC CORP·Filed 1987·Granted Apr 18, 1989·10 cites·17 claims
- 2945US12146504B2Centrifugal compressorHITACHI INDUSTRIAL PRODUCTS LTD·Filed 2021·Granted Nov 19, 2024·0 cites·7 claims
- 3045US6888245B2Semiconductor deviceRENESAS TECH CORP·Filed 2002·Granted May 3, 2005·2 cites·10 claims
- 3144US12049903B2Multistage centrifugal compressorHITACHI INDUSTRIAL PRODUCTS LTD·Filed 2021·Granted Jul 30, 2024·0 cites·18 claims
- 3241US2023417255A1Centrifugal Compressor, and Method for Manufacturing SameHITACHI INDUSTRIAL PRODUCTS LTD·Filed 2021·Application pending·0 cites
- 3332US9871500B2Multilayer electronic componentTDK CORP·Filed 2016·Granted Jan 16, 2018·0 cites·4 claims
- 3431US2017222616A1Branching filterTDK CORP·Filed 2016·Application pending·0 cites
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