Inventor · disambiguated record
Shuji Saiki
Also filed as: SAIKI SHUJI
70 granted patents·11 pending applications·1,652 citations·filing 1980–2025
99Inventor score
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD29PANASONIC IP MAN CO LTD18PANASONIC CORP15SAIKI SHUJI7PANASONIC IP CORP AMERICA3
Top patents by PatentIndex Score
81 records- 0197US7743880B2Sound absorbing structurePANASONIC CORP·Filed 2006·Granted Jun 29, 2010·47 cites·11 claims
- 0295US7953240B2Loudspeaker apparatusPANASONIC CORP·Filed 2006·Granted May 31, 2011·45 cites·16 claims
- 0394US7974423B2Loudspeaker systemPANASONIC CORP·Filed 2005·Granted Jul 5, 2011·34 cites·19 claims
- 0494US7536211B2Speaker system, mobile terminal device, and electronic devicePANASONIC CORP·Filed 2006·Granted May 19, 2009·45 cites·12 claims
- 0594US7050600B2Speaker system, mobile terminal device, and electronic deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted May 23, 2006·103 cites·15 claims
- 0694US6208237B1Electro-mechanical and acoustic transducer for portable terminal unitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Mar 27, 2001·172 cites·76 claims
- 0793US7840022B2Speaker devicePANASONIC CORP·Filed 2009·Granted Nov 23, 2010·26 cites·16 claims
- 0893US7477755B2Speaker systemPANASONIC CORP·Filed 2005·Granted Jan 13, 2009·34 cites·12 claims
- 0993US7463747B2Loudspeaker systemPANASONIC CORP·Filed 2005·Granted Dec 9, 2008·34 cites·8 claims
- 1092US9319767B2EarphonePANASONIC IP MAN CO LTD·Filed 2013·Granted Apr 19, 2016·19 cites·6 claims
- 1192US8335333B2Speaker systemSAIKI SHUJI·Filed 2007·Granted Dec 18, 2012·35 cites·16 claims
- 1292US7991181B2Loudspeaker systemPANASONIC CORP·Filed 2005·Granted Aug 2, 2011·24 cites·20 claims
- 1392US7743877B2Speaker systemPANASONIC CORP·Filed 2006·Granted Jun 29, 2010·30 cites·18 claims
- 1491US9668058B2Speaker diaphragm, speaker, device, and method for manufacturing speaker diaphragmPANASONIC IP MAN CO LTD·Filed 2015·Granted May 30, 2017·9 cites·33 claims
- 1591US8184826B2Speaker systemMATSUMURA TOSHIYUKI·Filed 2008·Granted May 22, 2012·36 cites·7 claims
- 1691US7382890B2Sound reproduction device and portable terminal apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Jun 3, 2008·58 cites·23 claims
- 1791US7106878B2Speaker and mobile terminal deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Sep 12, 2006·56 cites·12 claims
- 1890US8885866B2EarphoneSAKAGUCHI ATSUSHI·Filed 2012·Granted Nov 11, 2014·18 cites·20 claims
- 1990US8565463B2Loudspeaker systemSAIKI SHUJI·Filed 2008·Granted Oct 22, 2013·25 cites·20 claims
- 2087US9414151B2Speaker systemPANASONIC IP MAN CO LTD·Filed 2015·Granted Aug 9, 2016·7 cites·16 claims
- 2187US8265330B2Material for speaker device and speaker device using itFUKUNISHI YOSHIHARU·Filed 2008·Granted Sep 11, 2012·29 cites·8 claims
- 2287US7120264B2Sound reproducing apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Oct 10, 2006·39 cites·5 claims
- 2387US6920957B2Loudspeaker diaphragmMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Jul 26, 2005·39 cites·30 claims
- 2487US5325435ASound field offset deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1992·Granted Jun 28, 1994·86 cites·17 claims
- 2586US10462553B2Speaker devicePANASONIC IP MAN CO LTD·Filed 2018·Granted Oct 29, 2019·5 cites·10 claims
- 2686US9820047B2Signal processing method and speaker systemPANASONIC IP MAN CO LTD·Filed 2016·Granted Nov 14, 2017·6 cites·10 claims
- 2785US10735852B2Speaker systemPANASONIC IP CORP AMERICA·Filed 2019·Granted Aug 4, 2020·4 cites·7 claims
- 2885US6658133B1Electromagnetic transducer and portable communicating deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Dec 2, 2003·34 cites·47 claims
- 2984US7724915B2Speaker devicePANASONIC CORP·Filed 2005·Granted May 25, 2010·14 cites·17 claims
- 3083US8755558B2Speaker, hearing aid, earphone, and portable terminal deviceSAIKI SHUJI·Filed 2011·Granted Jun 17, 2014·8 cites·13 claims
- 3183US8699745B2Speaker, and mobile electronic deviceSAIKI SHUJI·Filed 2010·Granted Apr 15, 2014·8 cites·5 claims
- 3283US7974431B2Speaker systemPANASONIC CORP·Filed 2005·Granted Jul 5, 2011·12 cites·30 claims
- 3383US7885425B2Electrodynamic electroacoustic transducer and electronic devicePANASONIC CORP·Filed 2006·Granted Feb 8, 2011·13 cites·12 claims
- 3482US9774935B2Speaker devicePANASONIC IP MAN CO LTD·Filed 2016·Granted Sep 26, 2017·4 cites·10 claims
- 3581US8542861B2Loudspeaker, video device, and portable information processing apparatusSAIKI SHUJI·Filed 2008·Granted Sep 24, 2013·9 cites·26 claims
- 3681US6700987B2LoudspeakerMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Mar 2, 2004·26 cites·15 claims
- 3780US9131304B2Loudspeaker and equipment including the samePANASONIC CORP·Filed 2013·Granted Sep 8, 2015·6 cites·18 claims
- 3878US7454025B2Loudspeaker with internal negative stiffness mechanismPANASONIC CORP·Filed 2004·Granted Nov 18, 2008·22 cites·20 claims
- 3977US4924962ASound reproducing apparatus for use in vehicleMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1987·Granted May 15, 1990·64 cites·23 claims
- 4075US9247349B2Loudspeaker, video device, and portable information processing apparatusPANASONIC IP MAN CO LTD·Filed 2013·Granted Jan 26, 2016·3 cites·17 claims
- 4174US7212648B2Loudspeaker system in which a diaphragm panel is driven by an electromechanical acoustic converterMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted May 1, 2007·17 cites·6 claims
- 4274US7006641B1Driving circuit, electro-mechanical-acoustic transducer, and portable terminal apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Feb 28, 2006·15 cites·54 claims
- 4374US5371805ASpeaker and speaker system employing the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted Dec 6, 1994·54 cites·11 claims
- 4473US6836551B2LoudspeakerMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Dec 28, 2004·16 cites·62 claims
- 4572US10491984B2Speaker devicePANASONIC IP MAN CO LTD·Filed 2016·Granted Nov 26, 2019·2 cites·9 claims
- 4672US8699738B2Speaker system with resonance frequency approximately identical to the peak frequency of the sound pressureSAIKI SHUJI·Filed 2011·Granted Apr 15, 2014·3 cites·9 claims
- 4771US6920230B2Electromagnetic transducer and portable communication deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Jul 19, 2005·14 cites·44 claims
- 4871US4893695ASpeaker systemMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1988·Granted Jan 16, 1990·45 cites·13 claims
- 4969US8699744B2Speaker, hearing aid, inner-ear headphone, portable information processing device, and AV deviceSAKAGUCHI ATSUSHI·Filed 2011·Granted Apr 15, 2014·3 cites·13 claims
- 5069US2025344018A1Loudspeaker devicePANASONIC IP MAN CO LTD·Filed 2025·Application pending·0 cites
Showing the top 50 of 81 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Shuji Saiki files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →