Inventor · disambiguated record
Akifumi Kawahara
Also filed as: KAWAHARA AKIFUMI
7 granted patents·1 pending application·52 citations·filing 1995–2013
83Inventor score
Technology areasG11C
Top patents by PatentIndex Score
8 records- 0179US8923032B2Crosspoint nonvolatile memory device and forming method thereofPANASONIC CORP·Filed 2012·Granted Dec 30, 2014·7 cites·11 claims
- 0274US9053787B2Crosspoint nonvolatile memory device and method of driving the samePANASONIC IP MAN CO LTD·Filed 2013·Granted Jun 9, 2015·5 cites·14 claims
- 0365US5539700AColumn selection circuit of semiconductor memory with transfer gateMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted Jul 23, 1996·27 cites·4 claims
- 0463US7408820B2Nonvolatile semiconductor memory with virtual ground arrayMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2006·Granted Aug 5, 2008·5 cites·10 claims
- 0560US8902635B2Variable resistance nonvolatile memory device and method of writing therebyPANASONIC CORP·Filed 2012·Granted Dec 2, 2014·3 cites·16 claims
- 0651US8995171B2Designing method of non-volatile memory device, manufacturing method of non-volatile memory device, and non-volatile memory devicePANASONIC CORP·Filed 2013·Granted Mar 31, 2015·1 cites·14 claims
- 0741US7035751B2Nonvolatile memory microcomputer chip, and a method for testing the nonvolatile memory microcomputer chipMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Apr 25, 2006·4 cites·16 claims
- 0830US2007133277A1Non-volatile semiconductor memory deviceKAWAI KEN·Filed 2006·Application pending·0 cites
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