Inventor · disambiguated record
Koji Akiyama
Also filed as: AKIYAMA KOJI
86 granted patents·26 pending applications·2,101 citations·filing 1982–2025
99Inventor score
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD33TOKYO ELECTRON LTD27KAO CORP12AKIYAMA KOJI10YOKOGAWA ELECTRIC CORP6
Top patents by PatentIndex Score
112 records- 0197US7227519B1Method of driving display panel, luminance correction device for display panel, and driving device for display panelMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Jun 5, 2007·247 cites·66 claims
- 0296US7744094B2Mechanical seal deviceEAGLE IND CO LTD·Filed 2005·Granted Jun 29, 2010·44 cites·4 claims
- 0396US5745049AWireless equipment diagnosis systemYOKOGAWA ELECTRIC CORP·Filed 1996·Granted Apr 28, 1998·381 cites·12 claims
- 0495US6383705B2Toner for electrophotographyKAO CORP·Filed 2001·Granted May 7, 2002·67 cites·4 claims
- 0595US4912526AOptical frequency synthesizer/sweeperYOKOGAWA ELECTRIC CORP·Filed 1989·Granted Mar 27, 1990·69 cites·2 claims
- 0694US4629886AHigh resolution digital diffraction grating scale encoderYOKOGAWA HOKUSHIN ELECTRIC·Filed 1984·Granted Dec 16, 1986·55 cites·9 claims
- 0793US8896097B2Method of manufacturing capacitor, capacitor and method of forming dielectric film for use in capacitorTOKYO ELECTRON LTD·Filed 2013·Granted Nov 25, 2014·16 cites·13 claims
- 0893US7603682B1Digest video browsing based on collaborative informationIBM·Filed 2008·Granted Oct 13, 2009·35 cites·3 claims
- 0992US5428711ASpatial light modulator and neural networkMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1992·Granted Jun 27, 1995·111 cites·5 claims
- 1089US6274881B1Electron emission element having semiconductor emitter with localized state, field emission type display device using the same, and method for producing the element and the deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted Aug 14, 2001·58 cites·22 claims
- 1189US5594567ASpatial light modulator with a photoconductor having uneven conductivity in a lateral direction and a method for fabricating the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted Jan 14, 1997·89 cites·17 claims
- 1288US8585060B2Tandem seal deviceOSHII YOJI·Filed 2008·Granted Nov 19, 2013·24 cites·5 claims
- 1388US4856899AOptical frequency analyzer using a local oscillator heterodyne detection of incident lightYOKOGAWA ELECTRIC CORP·Filed 1986·Granted Aug 15, 1989·95 cites·34 claims
- 1487US6914372B1Electron-emitting element and electron source, field emission image display device, and fluorescent lamp utilizing the same and methods of fabricating the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Jul 5, 2005·69 cites·58 claims
- 1587US4893353AOptical frequency synthesizer/sweeperYOKOGAWA ELECTRIC CORP·Filed 1986·Granted Jan 9, 1990·51 cites·36 claims
- 1685US4833681ASemiconductor laser wavelength stabilizerYOKOGAWA ELECTRIC CORP·Filed 1986·Granted May 23, 1989·64 cites·17 claims
- 1783US6972513B2Electron emission device, method of manufacturing the same, and image display apparatus using the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Dec 6, 2005·18 cites·30 claims
- 1882US4624906AElectrophotographic sensitive member having a fluorinated amorphous silicon photoconductive layerKYOCERA CORP·Filed 1984·Granted Nov 25, 1986·22 cites·12 claims
- 1981US7676794B2Testing scenarios that sequentially execute a plurality of application program interfacesIBM·Filed 2007·Granted Mar 9, 2010·12 cites·1 claims
- 2080US8924606B2Storage system and data transfer control methodAKIYAMA KOJI·Filed 2012·Granted Dec 30, 2014·8 cites·15 claims
- 2179US6057878AThree-dimensional picture image display apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted May 2, 2000·59 cites·15 claims
- 2279US5672454AToner containing particulate magnetic materialsKAO CORP·Filed 1994·Granted Sep 30, 1997·24 cites·12 claims
- 2378US8186688B2Shaft sealing deviceAKIYAMA KOJI·Filed 2009·Granted May 29, 2012·7 cites·17 claims
- 2478US6486609B1Electron-emitting element and image display device using the sameMATSUSHITA ELECTRIC IND INC·Filed 2000·Granted Nov 26, 2002·16 cites·37 claims
- 2577US6388649B1Spatial light modulator and a method for driving the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted May 14, 2002·43 cites·29 claims
- 2675US6861190B2TonerKAO CORP·Filed 2003·Granted Mar 1, 2005·14 cites·7 claims
- 2774US5583676ASpatial light modulator, method of production thereof and projection-type displayMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Dec 10, 1996·42 cites·28 claims
- 2871US12406862B2Vacuum processing apparatus and oxidizing gas removal methodTOKYO ELECTRON LTD·Filed 2023·Granted Sep 2, 2025·0 cites·3 claims
- 2971US5384649ALiquid crystal spatial light modulator with electrically isolated reflecting films connected to electrically isolated pixel portions of photo conductorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1992·Granted Jan 24, 1995·36 cites·27 claims
- 3071US5056897ASpatial light modulating element and neural network circuitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1989·Granted Oct 15, 1991·29 cites·7 claims
- 3170US12247768B2Electrocaloric effect element, heat transfer device, semiconductor manufacturing device, and electrocaloric effect element control methodTOKYO ELECTRON LTD·Filed 2021·Granted Mar 11, 2025·0 cites·17 claims
- 3268US7821083B2Semiconductor device and method for manufacturing the sameTOKYO ELECTRON LTD·Filed 2008·Granted Oct 26, 2010·5 cites·5 claims
- 3368US7303456B2Plasma display panel and method of aging the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2006·Granted Dec 4, 2007·1 cites·2 claims
- 3468US6764798B2Two-component developerKAO CORP·Filed 2002·Granted Jul 20, 2004·10 cites·5 claims
- 3567US7867920B2Method for modifying high-k dielectric thin film and semiconductor deviceTOKYO ELECTRON LTD·Filed 2006·Granted Jan 11, 2011·2 cites·20 claims
- 3667US5750304AEncapsulated toner for heat-and-pressure fixing and method for producing the sameKAO CORP·Filed 1996·Granted May 12, 1998·18 cites·9 claims
- 3766US7429770B2Semiconductor device and manufacturing method thereofRENESAS TECH CORP·Filed 2005·Granted Sep 30, 2008·4 cites·14 claims
- 3864US7037156B2Method of manufacturing a plasma display panel with adsorbing an impurity gasMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted May 2, 2006·4 cites·3 claims
- 3964US5567567AMethod for producing encapsulated toner for heat-and-pressure fixing and encapsulated toner obtained therebyKAO CORP·Filed 1994·Granted Oct 22, 1996·14 cites·18 claims
- 4063US5731797ADriving method for spatial light modulator and projection display systemMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted Mar 24, 1998·27 cites·26 claims
- 4162US7338337B2Aging method of plasma display panelMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Mar 4, 2008·4 cites·8 claims
- 4262US5655202AFixing apparatus and fixing method using the sameKAO CORP·Filed 1996·Granted Aug 5, 1997·15 cites·7 claims
- 4362US2025347002A1Substrate processing method and substrate processing systemTOKYO ELECTRON LTD·Filed 2025·Application pending·0 cites
- 4461US2022403509A1Vacuum processing apparatus and oxidizing gas removal methodTOKYO ELECTRON LTD·Filed 2021·Application pending·0 cites
- 4560US5604074AMethod of development of nonmagnetic one-component toner and method for forming fixed images using the developmentKAO CORP·Filed 1995·Granted Feb 18, 1997·15 cites·9 claims
- 4659US8129775B2Semiconductor device and method of manufacturing the sameAKIYAMA KOJI·Filed 2009·Granted Mar 6, 2012·2 cites·11 claims
- 4759US4479257ASuperheterodyne circuit having variable bandwidth and center frequency shift functionYAESU MUSEN KK·Filed 1982·Granted Oct 23, 1984·19 cites·5 claims
- 4857US6647818B1GearENPLAS CORP·Filed 1999·Granted Nov 18, 2003·17 cites·12 claims
- 4957US2024155824A1Semiconductor device manufacturing method and semiconductor deviceTOKYO ELECTRON LTD·Filed 2023·Application pending·0 cites
- 5056US7209098B2Plasma display panel aging method and aging deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Apr 24, 2007·4 cites·12 claims
Showing the top 50 of 112 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →