Inventor · disambiguated record
Mitsuru Hashimoto
Also filed as: HASHIMOTO MITSURU · OHTA MASAFUMI
98 granted patents·15 pending applications·1,800 citations·filing 1974–2018
99Inventor score
Files withRICOH KK71HITACHI METALS LTD15MATSUSHITA ELECTRIC INDUSTRIAL CO LTD11TOKYO ELECTRON LTD5PANASONIC CORP3
Top patents by PatentIndex Score
113 records- 0198US4338388AElectrophotographic element with a phenyhydrazone charge transport layerRICOH KK·Filed 1979·Granted Jul 6, 1982·122 cites·23 claims
- 0298US4297426AElectrophotographic element with carbazole hydrazone or anile charge transport compoundsRICOH KK·Filed 1980·Granted Oct 27, 1981·224 cites·17 claims
- 0397US5077142AElectroluminescent devicesRICOH KK·Filed 1990·Granted Dec 31, 1991·384 cites·5 claims
- 0497US4245021AElectrophotographic element having charge transport layerRICOH KK·Filed 1979·Granted Jan 13, 1981·85 cites·16 claims
- 0595US4272598AElectrophotographic material containing disazo compoundsRICOH KK·Filed 1978·Granted Jun 9, 1981·23 cites·54 claims
- 0694US9647206B2Method for etching layer to be etchedTOKYO ELECTRON LTD·Filed 2014·Granted May 9, 2017·14 cites·4 claims
- 0794US4537844AElectrophotographic element containing disazo compoundRICOH KK·Filed 1983·Granted Aug 27, 1985·24 cites·18 claims
- 0892US4325871AOrtho-Bis (2-substituted azostyryl) benzene compoundsRICOH KK·Filed 1980·Granted Apr 20, 1982·26 cites·14 claims
- 0991US9530536B2Non-halogen multilayer insulated wire and method for producing the sameHITACHI METALS LTD·Filed 2013·Granted Dec 27, 2016·8 cites·15 claims
- 1091US4596754AElectrophotographic printing original plate and electrophotographic plate making process using the printing original plateRICOH KK·Filed 1985·Granted Jun 24, 1986·38 cites·12 claims
- 1189US10186349B2Non-halogen flame-retardant insulated electric wire and non-halogen flame-retardant cableHITACHI METALS LTD·Filed 2016·Granted Jan 22, 2019·4 cites·4 claims
- 1289US4279981AElectrophotographic elements containing trisazo compoundsRICOH KK·Filed 1978·Granted Jul 21, 1981·28 cites·66 claims
- 1388US5118986AElectroluminescent deviceRICOH KK·Filed 1990·Granted Jun 2, 1992·36 cites·15 claims
- 1487US9953746B2Insulated wire and cableHITACHI METALS LTD·Filed 2017·Granted Apr 24, 2018·3 cites·16 claims
- 1586US7252795B2High thermal conductivite element, method for manufacturing same, and heat radiating systemMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted Aug 7, 2007·13 cites·7 claims
- 1686US5370954APhotoconductive composition containing trisazo and disazo compoundsRICOH KK·Filed 1993·Granted Dec 6, 1994·25 cites·20 claims
- 1786US4251614ANovel disazo compounds, process for the preparation of same and application of said disazo compounds and analogues thereof to electrophotographic sensitive materialsRICOH KK·Filed 1978·Granted Feb 17, 1981·21 cites·68 claims
- 1885US7402340B2High thermal conductive element, method for manufacturing same, and heat radiating systemMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2007·Granted Jul 22, 2008·12 cites·21 claims
- 1985US4440845ADisazo compound, method of making same and electrophotographic element using sameRICOH KK·Filed 1982·Granted Apr 3, 1984·13 cites·28 claims
- 2084US7882800B2Ring mechanism, and plasma processing device using the ring mechanismTOKYO ELECTRON LTD·Filed 2002·Granted Feb 8, 2011·31 cites·32 claims
- 2184US4390608ALayered charge generator/transport electrophotographic photoconductor uses bisazo pigmentRICOH KK·Filed 1981·Granted Jun 28, 1983·28 cites·11 claims
- 2284US4251613ADisazo compounds, process for preparation of same and application of said disazo compounds and analogues thereof to electrophotographic sensitive materialsRICOH KK·Filed 1978·Granted Feb 17, 1981·22 cites·60 claims
- 2383US10053773B2Method of cleaning plasma processing apparatusTOKYO ELECTRON LTD·Filed 2015·Granted Aug 21, 2018·3 cites·13 claims
- 2483US4365014AElectrophotographic photoconductorRICOH KK·Filed 1979·Granted Dec 21, 1982·17 cites·6 claims
- 2581US4293628AElectrophotographic elements containing disazo compoundsRICOH KK·Filed 1978·Granted Oct 6, 1981·11 cites·24 claims
- 2681US4260672AElectrophotographic sensitive element having a photoconductive disazo pigmentRICOH KK·Filed 1978·Granted Apr 7, 1981·19 cites·16 claims
- 2780US4299896AElectrophotographic sensitive materials containing a disazo pigmentRICOH KK·Filed 1978·Granted Nov 10, 1981·19 cites·16 claims
- 2877US5816134ACompressor piston and piston type compressorTOYODA AUTOMATIC LOOM WORKS·Filed 1996·Granted Oct 6, 1998·36 cites·33 claims
- 2977US4264695AElectrophotographic photosensitive material with electron donors and electron acceptorsRICOH KK·Filed 1980·Granted Apr 28, 1981·37 cites·9 claims
- 3076US4618672ABisazo compounds useful as charge generating pigments in electrophotographyRICOH KK·Filed 1981·Granted Oct 21, 1986·18 cites·10 claims
- 3176US4481271ALayered electrophotographic photoconductor containing a hydrazoneRICOH KK·Filed 1981·Granted Nov 6, 1984·20 cites·16 claims
- 3276US4400455ALayered organic electrophotographic photoconductor element comprising bisazo generating and hydrazone transport layersRICOH KK·Filed 1981·Granted Aug 23, 1983·21 cites·10 claims
- 3375US4314015AElectrophotographic sensitive materials containing disazo compoundsRICOH KK·Filed 1980·Granted Feb 2, 1982·18 cites·16 claims
- 3474US7695850B2Electrode for use in oxygen reductionPANASONIC CORP·Filed 2007·Granted Apr 13, 2010·2 cites·10 claims
- 3574US5499515ARotary vane-type compressorTOYODA AUTOMATIC LOOM WORKS·Filed 1994·Granted Mar 19, 1996·32 cites·15 claims
- 3674US4784905AThermosensitive image transfer recording mediumRICOH KK·Filed 1986·Granted Nov 15, 1988·17 cites·26 claims
- 3773US4327168AElectrophotographic element containing disazo pigment charge generating materialRICOH KK·Filed 1980·Granted Apr 27, 1982·9 cites·12 claims
- 3872US4247614AElectrophotographic element containing a disazo pigmentRICOH KK·Filed 1979·Granted Jan 27, 1981·13 cites·114 claims
- 3971US10726969B2Multilayer insulated wire and multilayer insulated cableHITACHI METALS LTD·Filed 2016·Granted Jul 28, 2020·1 cites·19 claims
- 4071US8785216B2Substrate processing apparatus, substrate processing method, and program for implementing the methodYAMAZAKI SATOSHI·Filed 2011·Granted Jul 22, 2014·2 cites·17 claims
- 4171US7147529B2Electron emission material, method of manufacturing the same, and electron emission element including the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted Dec 12, 2006·2 cites·5 claims
- 4271US4898800AAminobiphenyl charge transporting materials and electrophotographic photoconductors using the sameRICOH KK·Filed 1988·Granted Feb 6, 1990·16 cites·17 claims
- 4370US4332948ANovel hydrazone compounds and process for preparing the sameRICOH KK·Filed 1980·Granted Jun 1, 1982·6 cites·4 claims
- 4470US4242260A2-Hydroxy-3-carbonylanilinonaphth-1-yl disazo derivatives and 1-phenyl-3-methyl-5-hydroxypyrazol-4-yl disazo derivatives of 1,4-bis(4-aminostyryl) benzeneRICOH KK·Filed 1978·Granted Dec 30, 1980·10 cites·28 claims
- 4569US10497489B2CableHITACHI METALS LTD·Filed 2015·Granted Dec 3, 2019·1 cites·15 claims
- 4669US5097022ABisazo pigments for use in electrophotographic photoconductorsRICOH KK·Filed 1989·Granted Mar 17, 1992·8 cites·2 claims
- 4768US4886846AAromatic diolefinic compounds, aromatic diethyl compounds and electrophotographic photoconductors comprising one aromatic diethyl compoundRICOH KK·Filed 1988·Granted Dec 12, 1989·12 cites·3 claims
- 4868US4666805APhotosensitive material containing disazo compound for use in electrophotographyRICOH KK·Filed 1985·Granted May 19, 1987·9 cites·10 claims
- 4968US4619878ATetrazonium salt compound, disazo compound, method for preparing the same, and photosensitive material containing said disazo compound for use in electrophotographyRICOH KK·Filed 1985·Granted Oct 28, 1986·14 cites·6 claims
- 5067US8318374B2Fuel cell comprising oxygen electrode with surface nanostructureINO DAISUKE·Filed 2010·Granted Nov 27, 2012·1 cites·2 claims
Showing the top 50 of 113 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →