Inventor · disambiguated record
Akifumi Sakamoto
Also filed as: SAKAMOTO AKIFUMI
10 granted patents·4 pending applications·160 citations·filing 1985–2020
86Inventor score
Files withNICHIAS CORP4MURATA MACHINERY LTD2OKI ELECTRIC IND CO LTD2MATSUSHITA ELECTRIC INDUSTRIAL CO LTD1MITANI AKIHIRO1
Top patents by PatentIndex Score
14 records- 0188US4811207AJoin operation processing system in distributed data base management systemOKI ELECTRIC IND CO LTD·Filed 1986·Granted Mar 7, 1989·108 cites·4 claims
- 0285US8175298B2Audio output system control method and audio output systemMITANI AKIHIRO·Filed 2006·Granted May 8, 2012·32 cites·16 claims
- 0365US8391502B2Sound reproducing apparatus and audiovisual systemMIZOGUCHI MASAHIKO·Filed 2006·Granted Mar 5, 2013·3 cites·2 claims
- 0455US2013266801A1Thermal insulator and method of manufacturing the sameSAKAMOTO AKIFUMI·Filed 2011·Application pending·0 cites
- 0553US8131128B2Audiovisual system and control method thereofOTSUKA KOICHI·Filed 2006·Granted Mar 6, 2012·1 cites·14 claims
- 0651US7933485B2Audio-video output device, audio output device, audio-video reproduction device, audio-video data reproduction system, and audio-video data reproduction methodPANASONIC CORP·Filed 2007·Granted Apr 26, 2011·0 cites·6 claims
- 0750US9950963B2Thermal insulator and method of manufacturing the sameNICHIAS CORP·Filed 2016·Granted Apr 24, 2018·0 cites·11 claims
- 0849US4821175ADatabase processing deviceOKI ELECTRIC IND CO LTD·Filed 1985·Granted Apr 11, 1989·16 cites·4 claims
- 0948US7700061B2Heat-resistant material for low-melting metal casting machineNICHIAS CORP·Filed 2007·Granted Apr 20, 2010·0 cites·26 claims
- 1046US2011052897A1Thermal insulation materialNICHIAS CORP·Filed 2010·Application pending·0 cites
- 1145US2009046210A1Audiovisual systemMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2006·Application pending·0 cites
- 1245US2007243994A1Fused siliceous refractory and production method thereofNICHIAS CORP·Filed 2007·Application pending·0 cites
- 1341US11987445B2Lid opening-and-closing deviceMURATA MACHINERY LTD·Filed 2020·Granted May 21, 2024·0 cites·7 claims
- 1439US11961752B2Lid opening-and-closing deviceMURATA MACHINERY LTD·Filed 2020·Granted Apr 16, 2024·0 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →