Inventor · disambiguated record
Seiichi Ishikawa
Also filed as: ISHIKAWA SEIICHI
18 granted patents·2 pending applications·238 citations·filing 1981–2022
94Inventor score
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD9MITSUBISHI MATERIALS CORP2NAMICS CORP2RICOH KK2ARIMOTO SHIGERU1
Top patents by PatentIndex Score
20 records- 0183US8981233B2Conductive member and method for producing the sameMITSUBISHI SHINDO KK·Filed 2014·Granted Mar 17, 2015·2 cites·4 claims
- 0280US8586467B2Method of mounting electronic component and mounting substrateSUZUKI OSAMU·Filed 2010·Granted Nov 19, 2013·6 cites·19 claims
- 0380US4896285ACalculation of filter factors for digital filterMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1988·Granted Jan 23, 1990·26 cites·31 claims
- 0478US4888808ADigital equalizer apparatus enabling separate phase and amplitude characteristic modificationMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1988·Granted Dec 19, 1989·64 cites·31 claims
- 0577US9805998B2Liquid sealing material and electronic component using sameNAMICS CORP·Filed 2013·Granted Oct 31, 2017·4 cites·18 claims
- 0672US4899390AThin speaker having an enclosure within an open portion and a closed portionMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1987·Granted Feb 6, 1990·44 cites·18 claims
- 0769US8698002B2Conductive member and method for producing the sameSAKURAI TAKESHI·Filed 2009·Granted Apr 15, 2014·0 cites·3 claims
- 0860US2024396242A1Terminal material with plating film and copper sheet for terminal materialMITSUBISHI MATERIALS CORP·Filed 2022·Application pending·0 cites
- 0956US11905614B2Terminal material for connectorMITSUBISHI MATERIALS CORP·Filed 2020·Granted Feb 20, 2024·0 cites·8 claims
- 1056US4426556AElectrodynamic loudspeakerMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1981·Granted Jan 17, 1984·22 cites·19 claims
- 1155US5051942AMethod and apparatus for calculating filter factorsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1988·Granted Sep 24, 1991·12 cites·10 claims
- 1249US9748158B2Liquid sealing material and electronic component using sameNAMICS CORP·Filed 2016·Granted Aug 29, 2017·0 cites·24 claims
- 1349US5073946AThin speaker having an enclosure with an open portion and a closed portionMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1989·Granted Dec 17, 1991·19 cites·10 claims
- 1445US5636034AData transmitting/receiving apparatus operating in a user-selected one of a line specifying mode and a free-line searching modeRICOH KK·Filed 1995·Granted Jun 3, 1997·10 cites·6 claims
- 1543US8499925B2Conveying roller and method of making the sameARIMOTO SHIGERU·Filed 2009·Granted Aug 6, 2013·1 cites·9 claims
- 1642US5023913AApparatus for changing a sound fieldMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1989·Granted Jun 11, 1991·16 cites·14 claims
- 1742US4722009ATone restoring apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1986·Granted Jan 26, 1988·5 cites·9 claims
- 1835US2004101787A1Fine pattern forming methodFiled 2002·Application pending·0 cites
- 1933US4484383AMethod of manufacturing a speaker diaphragmMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1982·Granted Nov 27, 1984·4 cites·1 claims
- 2032US6005671AFacsimile systemRICOH KK·Filed 1997·Granted Dec 21, 1999·3 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →