Inventor · disambiguated record
Yoshizumi Ohta
Also filed as: OHTA YOSHIZUMI · OTA YOSHIZUMI
12 granted patents·2 pending applications·168 citations·filing 1999–2006
91Inventor score
Top patents by PatentIndex Score
14 records- 0185US6400825B1MicrospeakerCITIZEN ELECTRONICS·Filed 2001·Granted Jun 4, 2002·38 cites·6 claims
- 0283USD446785SLoudspeaker with a socketCITIZEN ELECTRONICS·Filed 2000·Granted Aug 21, 2001·31 cites·1 claims
- 0379US7181040B2Case for containing electrical instrumentCITIZEN ELECTRONICS·Filed 2004·Granted Feb 20, 2007·25 cites·8 claims
- 0477US7764804B2Panel-typed loud speaker and an exciter thereforCITIZEN ELECTRONICS·Filed 2006·Granted Jul 27, 2010·8 cites·12 claims
- 0563US6751332B2SpeakerCITIZEN ELECTRONICS·Filed 2001·Granted Jun 15, 2004·9 cites·2 claims
- 0663US6476710B2Electromagnetic sound generatorCITIZEN ELECTRONICS·Filed 2001·Granted Nov 5, 2002·8 cites·3 claims
- 0760US6845168B2Speaker for an electronic instrumentCITIZEN ELECTRONICS·Filed 2003·Granted Jan 18, 2005·7 cites·4 claims
- 0856US6208238B1Electromagnetic sound generating bodyCITIZEN ELECTRONICS·Filed 1999·Granted Mar 27, 2001·26 cites·2 claims
- 0953US6690809B2MicrospeakerCITIZEN ELECTRONICS·Filed 2001·Granted Feb 10, 2004·4 cites·2 claims
- 1051US6795563B2Speaker for an electronic instrumentCITIZEN ELECTRONICS·Filed 2001·Granted Sep 21, 2004·3 cites·4 claims
- 1150US7010142B2Electrical acoustic converterCITIZEN ELECTRONICS·Filed 2003·Granted Mar 7, 2006·4 cites·7 claims
- 1246US6504940B2Connecting device for connecting a sound producing device to an electronic equipmentCITIZEN ELECTRONICS·Filed 2000·Granted Jan 7, 2003·5 cites·1 claims
- 1345US2006072248A1Electro-dynamic exciterCITIZEN ELECTRONICS·Filed 2005·Application pending·0 cites
- 1445US2006177092A1Speaker and method for manufacturing the speakerOHTA YOSHIZUMI·Filed 2006·Application pending·0 cites
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