Inventor · disambiguated record
Akira Yokoyama
Also filed as: YOKOYAMA · YOKOYAMA AKIRA
53 granted patents·14 pending applications·641 citations·filing 1977–2024
98Inventor score
Files withNIHON MEDIPHYSICS CO LTD13YOKOYAMA AKIRA10CANON KK9NIPPON CARBON CO LTD4MITSUI PETROCHEMICAL IND3
Top patents by PatentIndex Score
67 records- 0194US4670508AThermoplastic resin compositionMITSUI PETROCHEMICAL IND·Filed 1985·Granted Jun 2, 1987·95 cites·5 claims
- 0291US8695258B2Nameplate attachment structure, camera platform apparatus, and camera apparatusKORI YOSHIFUMI·Filed 2012·Granted Apr 15, 2014·32 cites·15 claims
- 0387US9285659B2Optical accessory adapterCANON KK·Filed 2014·Granted Mar 15, 2016·6 cites·19 claims
- 0486US4836864AMethod of gas carburizing and hardeningCHUGAI RO KOGYO KAISHA LTD·Filed 1986·Granted Jun 6, 1989·22 cites·3 claims
- 0582USD293085SCase for clinical thermometerCITIZEN WATCH CO LTD·Filed 1985·Granted Dec 8, 1987·20 cites·1 claims
- 0681US7761908B2Network apparatusRICOH KK·Filed 2005·Granted Jul 20, 2010·10 cites·23 claims
- 0781US4144751ASquare wave signal generatorHONEYWELL INC·Filed 1977·Granted Mar 20, 1979·29 cites·7 claims
- 0880US9491319B2Display control device customizing content based on client displayYOKOYAMA AKIRA·Filed 2012·Granted Nov 8, 2016·5 cites·14 claims
- 0977US6962522B1Barrel polishing deviceTOYOTA JIDOUSHA HOKKAIDOU KABU·Filed 2004·Granted Nov 8, 2005·24 cites·6 claims
- 1077US4671201AMethod and apparatus of automatically controlling sailboatYOKOYAMA ZOSEN SEKKEI JIMUSHO·Filed 1986·Granted Jun 9, 1987·22 cites·5 claims
- 1176US7632190B2Constant velocity jointHONDA MOTOR CO LTD·Filed 2005·Granted Dec 15, 2009·7 cites·42 claims
- 1274US8115950B2Image reading system, information processing apparatus, and scanner, with specification of number of pages to be scanned and created into a fileDU XIAOJUN·Filed 2007·Granted Feb 14, 2012·6 cites·11 claims
- 1372US5270280APacking material for liquid chromatography and method of manufacturing thereofNIPPON CARBON CO LTD·Filed 1991·Granted Dec 14, 1993·30 cites·8 claims
- 1469US12038275B2Power generation element, and magnetic sensor, encoder, and motor using the sameMITSUBISHI ELECTRIC CORP·Filed 2021·Granted Jul 16, 2024·0 cites·20 claims
- 1569US8016493B2Magnetic coupling and camera platform using magnetic couplingCANON KK·Filed 2008·Granted Sep 13, 2011·3 cites·6 claims
- 1668US4807853AContinuous furnace for gas carburizing and hardeningCHUGAI RO KOGYO KAISHA LTD·Filed 1986·Granted Feb 28, 1989·24 cites·19 claims
- 1768US4287362A2-Oxopropionaldehyde bis(thiosemicarbazone) derivativesNIHON MEDIPHYSICS CO LTD·Filed 1980·Granted Sep 1, 1981·22 cites·4 claims
- 1867US9008146B2Semiconductor laser excitation solid-state laserTAMAYA MOTOAKI·Filed 2011·Granted Apr 14, 2015·2 cites·3 claims
- 1967US5246637AMethod for producing electret filterMITSUI PETROCHEMICAL IND·Filed 1992·Granted Sep 21, 1993·29 cites·15 claims
- 2067US4425319ARadioactive diagnostic agent and non-radioactive carrier thereforNIHON MEDIPHYSICS CO LTD·Filed 1981·Granted Jan 10, 1984·28 cites·22 claims
- 2167US4338248A2-Oxopropionaldehyde bis(thiosemicarbazone) protein derivatives, and their production and useNIHON MEDIPHYSICS CO LTD·Filed 1980·Granted Jul 6, 1982·21 cites·12 claims
- 2266US4645660AIncreasing labeling efficiency by forming diagnostic agent in the presence of ascorbic acid or the likeNIHON MEDIPHYSICS CO LTD·Filed 1984·Granted Feb 24, 1987·24 cites·8 claims
- 2364US2025180859A1Lens mount, camera mount, optical apparatus, imaging apparatus, and imaging systemCANON KK·Filed 2024·Application pending·0 cites
- 2463US12294680B2Image reading apparatus, image reading method, and non-transitory recording mediumYOKOYAMA AKIRA·Filed 2024·Granted May 6, 2025·0 cites·9 claims
- 2563US8499145B2Apparatus, system, and method of setting a deviceOTA HIROSHI·Filed 2010·Granted Jul 30, 2013·2 cites·17 claims
- 2660US12177396B2Image reading device determining transmission destinationYOKOYAMA AKIRA·Filed 2023·Granted Dec 24, 2024·0 cites·9 claims
- 2760US8261291B2Network apparatus, terminal apparatus, program, and recording mediumYOKOYAMA AKIRA·Filed 2007·Granted Sep 4, 2012·2 cites·14 claims
- 2860US5904915AMethod of diagnosing pathological state of tumor cells using a diagnostic agent for glycometabolic functionNIHON MEDIPHYSICS CO LTD·Filed 1997·Granted May 18, 1999·18 cites·5 claims
- 2959US2024061154A1Optical apparatus, image pickup apparatus, and projection apparatusCANON KK·Filed 2023·Application pending·0 cites
- 3058US12461334B2Lens barrel, lens apparatus and image pickup apparatusCANON KK·Filed 2022·Granted Nov 4, 2025·0 cites·10 claims
- 3156US4619823ARadioactive iodine labeled metaraminol and diagnostic agent containing platelets labeled therewithNIHON MEDIPHYSICS CO LTD·Filed 1983·Granted Oct 28, 1986·16 cites·5 claims
- 3256US4444743ARadioactive diagnostic agent and its preparationNIHON MEDIPHYSICS CO LTD·Filed 1981·Granted Apr 24, 1984·14 cites·13 claims
- 3355US6822809B2Drive transmission device and optical apparatus using sameCANON KK·Filed 2001·Granted Nov 23, 2004·4 cites·52 claims
- 3455US5098784ASupports for gas chromatography comprising aggregates of finely divided carbon particles and process for preparing the sameSHINWA KAKO KK·Filed 1991·Granted Mar 24, 1992·18 cites·2 claims
- 3554US6531159B1Materials eliminating cannabinoids and columns for the elimination of cannabinoids with the use of the sameTORAY INDUSTRIES·Filed 2000·Granted Mar 11, 2003·2 cites·14 claims
- 3654US5843400ADiagnostic agent for hypoxia or mitochondrial dysfunction comprising radioactive copper complex of dithiosemicarbazone derivative or diamine diol schiff base derivativeNIHON MEDIPHYSICS CO LTD·Filed 1996·Granted Dec 1, 1998·19 cites·11 claims
- 3754US2009224414A1Evaporative humidifierHITACHI PLANT TECHNOLOGIES LTD·Filed 2009·Application pending·0 cites
- 3851US5272126AAdsorption type packing for gas chromatography and process for producing the sameNIPPON CARBON CO LTD·Filed 1992·Granted Dec 21, 1993·14 cites·10 claims
- 3950US2009051952A1Image forming apparatus and screen generating methodRICOH KK·Filed 2008·Application pending·0 cites
- 4049US11269157B2Optical apparatusCANON KK·Filed 2018·Granted Mar 8, 2022·0 cites·16 claims
- 4149US10203468B2Lens apparatusCANON KK·Filed 2016·Granted Feb 12, 2019·0 cites·8 claims
- 4249US4814365ACurable resin compositionSHOWA HIGHPOLYMER·Filed 1987·Granted Mar 21, 1989·10 cites·8 claims
- 4349US4739060ARadioactive and non-radioactive iodobutyrophenone derivativeSUMITOMO CHEMICAL CO·Filed 1986·Granted Apr 19, 1988·6 cites·5 claims
- 4449US4199931AConnection terminal construction for driving coils of electronic timepiecesCITIZEN WATCH CO LTD·Filed 1978·Granted Apr 29, 1980·7 cites·7 claims
- 4546US8480318B2Driving force transmitting device and camera platform device using the sameYOKOYAMA AKIRA·Filed 2011·Granted Jul 9, 2013·0 cites·21 claims
- 4645US4356158AProcess for producing carbon fibersNIPPON CARBON CO LTD·Filed 1981·Granted Oct 26, 1982·6 cites·5 claims
- 4745US2007109589A1Network terminal device and method for managing equipment by using web technologyYOKOYAMA AKIRA·Filed 2004·Application pending·0 cites
- 4845US2024402724A1Automatic transfer systemMITSUBISHI ELECTRIC CORP·Filed 2022·Application pending·0 cites
- 4944US5739117AAgent for improving cerebral metabolism including glucose ester derivativesFUJIMOTO PHARMACEUTICAL CO LTD·Filed 1994·Granted Apr 14, 1998·7 cites·3 claims
- 5044US4559221AP-Glyoxyloylphenylalkanoic acid bis(thiosemicarbazone) derivatives, and their production and useNIHON MEDIPHYSICS CO LTD·Filed 1983·Granted Dec 17, 1985·8 cites·20 claims
Showing the top 50 of 67 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Akira Yokoyama 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 →