Inventor · disambiguated record
Takao Yamaguchi
Also filed as: AOYAMA KENJIRO · YAMAGUCHI TAKAO
157 granted patents·39 pending applications·3,252 citations·filing 1976–2024
99Inventor score
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD34PANASONIC CORP30RICOH KK15YAMAGUCHI TAKAO13PANASONIC IP MAN CO LTD10
Top patents by PatentIndex Score
196 records- 0199US6400391B1Optical scanning lens, optical scanning device and image forming apparatusRICOH KK·Filed 2000·Granted Jun 4, 2002·132 cites·48 claims
- 0295US7461528B2Content processing apparatus and content display apparatus based on location informationPANASONIC CORP·Filed 2003·Granted Dec 9, 2008·184 cites·22 claims
- 0395US7072127B2Optical scanning lens, optical scanning device and image forming apparatusRICOH KK·Filed 2005·Granted Jul 4, 2006·17 cites·20 claims
- 0495US6674477B1Method and apparatus for processing a data series including processing priority dataMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted Jan 6, 2004·159 cites·11 claims
- 0595US6361171B1Projector with adjustably positioned image plateRICOH KK·Filed 2000·Granted Mar 26, 2002·64 cites·11 claims
- 0694US7852764B2Relay transmission device and relay transmission methodPANASONIC CORP·Filed 2007·Granted Dec 14, 2010·39 cites·22 claims
- 0794US7436454B2Method and apparatus for transmitting encoded information based upon piority data in the encoded informationMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Oct 14, 2008·54 cites·16 claims
- 0894US6684127B2Method of controlling behaviors of pet robotsSONY CORP·Filed 2001·Granted Jan 27, 2004·67 cites·9 claims
- 0993US9294402B2Router, method for controlling router, and programPANASONIC CORP·Filed 2013·Granted Mar 22, 2016·18 cites·24 claims
- 1093US8121732B2Target position detection apparatus for robotHASHIMOTO YASUHIKO·Filed 2008·Granted Feb 21, 2012·23 cites·12 claims
- 1193US6744545B2Optical scanning lens, optical scanning device and image forming apparatusRICOH KK·Filed 2002·Granted Jun 1, 2004·37 cites·55 claims
- 1292US7720000B2Network control apparatus, method, and programPANASONIC CORP·Filed 2008·Granted May 18, 2010·25 cites·10 claims
- 1392US4203084AVentilated electromagnetic switchNIPPON DENSO CO·Filed 1978·Granted May 13, 1980·43 cites·6 claims
- 1491US8115812B2Monitoring system, camera, and video encoding methodYOSHIDA ATSUSHI·Filed 2007·Granted Feb 14, 2012·16 cites·17 claims
- 1591US6767322B1Endoscope deviceOLYMPUS CORP·Filed 2000·Granted Jul 27, 2004·53 cites·39 claims
- 1690US9611479B2Crosslinked nucleoside and nucleotideUNIV OSAKA·Filed 2015·Granted Apr 4, 2017·7 cites·11 claims
- 1790US6609797B2Projector with adjustably positioned image plateRICOH KK·Filed 2002·Granted Aug 26, 2003·30 cites·58 claims
- 1890US5575756AEndoscope apparatusOLYMPUS OPTICAL CO·Filed 1994·Granted Nov 19, 1996·494 cites·13 claims
- 1989US7203597B2Terminal apparatus for acquiring position-related contentMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Apr 10, 2007·75 cites·17 claims
- 2089US5727009ASemiconductor laser apparatus and optical pickup apparatus using the sameSANYO ELECTRIC CO·Filed 1997·Granted Mar 10, 1998·65 cites·64 claims
- 2188US9796086B2Method of teaching robot and robotKAWASAKI HEAVY IND LTD·Filed 2015·Granted Oct 24, 2017·8 cites·6 claims
- 2288US7783419B2Content display device and content display methodPANASONIC CORP·Filed 2005·Granted Aug 24, 2010·20 cites·20 claims
- 2388US6965604B1Method and apparatus for information transmissionMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Nov 15, 2005·63 cites·12 claims
- 2487US9025457B2Router and chip circuitPANASONIC CORP·Filed 2012·Granted May 5, 2015·8 cites·10 claims
- 2587US6870652B2Optical scanning lens, optical scanning device and image forming apparatusRICOH KK·Filed 2004·Granted Mar 22, 2005·21 cites·53 claims
- 2687US6716161B2Endoscope suitable for autoclave sterilizationOLYMPUS CORP·Filed 2002·Granted Apr 6, 2004·37 cites·36 claims
- 2786US11142107B2Vehicle seatTOYOTA BOSHOKU KK·Filed 2020·Granted Oct 12, 2021·2 cites·3 claims
- 2886US7119020B2Method for fabricating semiconductor deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Oct 10, 2006·33 cites·7 claims
- 2985US7502070B2Method and apparatus for processing a data series including processing priority dataPANASONIC CORP·Filed 2003·Granted Mar 10, 2009·20 cites·21 claims
- 3085US6368907B1Method of fabricating semiconductor deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Apr 9, 2002·30 cites·8 claims
- 3184US11453633B2Production method for crystal of reduced coenzyme Q10 having excellent stabilityKANEKA CORP·Filed 2019·Granted Sep 27, 2022·1 cites·15 claims
- 3284US8014792B2Information receiving terminal and information distributing systemPANASONIC CORP·Filed 2005·Granted Sep 6, 2011·15 cites·15 claims
- 3384US7182464B2Projector with adjustably positioned image plateRICOH KK·Filed 2004·Granted Feb 27, 2007·16 cites·16 claims
- 3483US8392607B2Relay device, control method, and programISHII TOMOKI·Filed 2010·Granted Mar 5, 2013·10 cites·5 claims
- 3583USRE43281EEndoscope capable of being autoclavedHIGUMA MASAKAZU·Filed 2005·Granted Mar 27, 2012·13 cites·40 claims
- 3683US7333439B2Sending/receiving method, and device for the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Feb 19, 2008·43 cites·12 claims
- 3782US8020153B2Source code checker, source code checking method, program for causing execution of the method, and storage medium for storing the programPANASONIC CORP·Filed 2005·Granted Sep 13, 2011·13 cites·11 claims
- 3882US6830341B2Projector with adjustably positioned image plateRICOH KK·Filed 2003·Granted Dec 14, 2004·15 cites·39 claims
- 3982US6636481B1Data connecting method, data connecting apparatus, program recording mediumMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Oct 21, 2003·33 cites·12 claims
- 4081US8102761B2Path control device, path control method, and path control programYAMAGUCHI TAKAO·Filed 2009·Granted Jan 24, 2012·9 cites·13 claims
- 4181US5680254ALens for reading an original imageRICOH KK·Filed 1994·Granted Oct 21, 1997·56 cites·3 claims
- 4280US9919017B2Biologically active substance-containing water-solubilizing preparation and method for producing the sameYAMAGUCHI TAKAO·Filed 2012·Granted Mar 20, 2018·2 cites·22 claims
- 4380US9518004B2Reduced coenzyme Q10 derivative and method for production thereofKANEKA CORP·Filed 2013·Granted Dec 13, 2016·2 cites·20 claims
- 4480US8029438B2Endoscope and hydrophilic capOLYMPUS MEDICAL SYSTEMS CORP·Filed 2008·Granted Oct 4, 2011·22 cites·9 claims
- 4580US7402527B2Dry etching method, fabrication method for semiconductor device, and dry etching apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2006·Granted Jul 22, 2008·4 cites·2 claims
- 4680US6400392B1Video information adjusting apparatus, video information transmitting apparatus and video information receiving apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted Jun 4, 2002·66 cites·7 claims
- 4780US5436878ADisc recording and/or reproducing apparatus for permitting continuous sector processing at boundaries between recording regions with different recording densitiesSONY CORP·Filed 1993·Granted Jul 25, 1995·28 cites·2 claims
- 4879US9824908B2Conveying system, conveying robot and teaching method of the sameKAWASAKI HEAVY IND LTD·Filed 2015·Granted Nov 21, 2017·4 cites·10 claims
- 4979US8234435B2Relay deviceYOSHIDA ATSUSHI·Filed 2011·Granted Jul 31, 2012·5 cites·14 claims
- 5079US5530687ADisk-type recording medium drive and method of self-diagnosing disk-type recording medium driveSONY CORP·Filed 1994·Granted Jun 25, 1996·26 cites·10 claims
Showing the top 50 of 196 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Takao Yamaguchi 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 →