Inventor · disambiguated record
Mikio Iwasa
Also filed as: IWASA MIKIO
13 granted patents·549 citations·filing 1985–2008
94Inventor score
Top patents by PatentIndex Score
13 records- 0198US4823908ADirectional loudspeaker systemMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1985·Granted Apr 25, 1989·192 cites·21 claims
- 0285US6757404B2Loud speaker, diaphragm and process for making the diaphragmMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Jun 29, 2004·37 cites·18 claims
- 0384US7054459B2Surrounding structure of a loudspeakerMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted May 30, 2006·34 cites·4 claims
- 0484US6973194B2SpeakerMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Dec 6, 2005·28 cites·3 claims
- 0582US5664024ALoudspeakerMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted Sep 2, 1997·83 cites·19 claims
- 0675US6714655B2SpeakerMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Mar 30, 2004·16 cites·13 claims
- 0775US6655495B2Loudspeaker damper and loudspeakerMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Dec 2, 2003·18 cites·18 claims
- 0871US8428293B2Speaker deviceFUJISE AKIKO·Filed 2008·Granted Apr 23, 2013·5 cites·17 claims
- 0966US6747395B1Piezoelectric loudspeakerMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Jun 8, 2004·38 cites·17 claims
- 1063US5862242ASpeakerMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted Jan 19, 1999·37 cites·16 claims
- 1161US7447328B2LoudspeakerMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Nov 4, 2008·7 cites·10 claims
- 1258US6305491B2SpeakerMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Oct 23, 2001·29 cites·16 claims
- 1350US6069965ALoudspeakerMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted May 30, 2000·25 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →