Inventor · disambiguated record
Tatsuo Aizawa
Also filed as: AIZAWA TATSUO · NAKAZAWA TORU · NISHIHAMA HITOSHI · UMEDA TADASHI
55 granted patents·718 citations·filing 1970–1982
99Inventor score
Top patents by PatentIndex Score
55 records- 0194US4108786AMagnetic dry developer for electrostatic photography and process for preparation thereofMITA INDUSTRIAL CO LTD·Filed 1975·Granted Aug 22, 1978·43 cites·12 claims
- 0292US4254202AElectrostatic copying processMITA INDUSTRIAL CO LTD·Filed 1978·Granted Mar 3, 1981·28 cites·8 claims
- 0392US4081571AMethod for developing electrostatic latent imagesMITA INDUSTRIAL CO LTD·Filed 1975·Granted Mar 28, 1978·41 cites·21 claims
- 0487US4320186AElectrographic method for preparing original for projection and transfer film for use in methodMITA INDUSTRIAL CO LTD·Filed 1980·Granted Mar 16, 1982·25 cites·9 claims
- 0586US4264698ADeveloper for electrostatic photography and process for preparation thereofMITA INDUSTRIAL CO LTD·Filed 1976·Granted Apr 28, 1981·25 cites·6 claims
- 0686US4100087APressure-fixing magnetic developer containing hydrogenated polystyrene binder for electrostatic photography and process for preparation thereofMITA INDUSTRIAL CO LTD·Filed 1977·Granted Jul 11, 1978·24 cites·18 claims
- 0785US4370379AMethod for preparing original for projection and transfer film for electrostatic photography for use in carrying out said methodMITA INDUSTRIAL CO LTD·Filed 1981·Granted Jan 25, 1983·40 cites·7 claims
- 0882US4126100AApparatus for causing a developer powder to make an irregular motion in a developing zoneMITA INDUSTRIAL CO LTD·Filed 1977·Granted Nov 21, 1978·22 cites·31 claims
- 0981US4286861AElectrostatic copying process and apparatusMITA INDUSTRIAL CO LTD·Filed 1979·Granted Sep 1, 1981·17 cites·16 claims
- 1081US4179211AElectrostatic photographic copying machineMITA INDUSTRIAL CO LTD·Filed 1977·Granted Dec 18, 1979·21 cites·102 claims
- 1181US4045165AContact heat fixing deviceMITA INDUSTRIAL CO LTD·Filed 1975·Granted Aug 30, 1977·21 cites·4 claims
- 1280US4096543ACorona discharge device with grid grounded via non-linear bias elementMITA INDUSTRIAL CO LTD·Filed 1976·Granted Jun 20, 1978·18 cites·9 claims
- 1380US4082681AMagnetic developer for electrostatic photography and process for preparation thereofMITA INDUSTRIAL CO LTD·Filed 1975·Granted Apr 4, 1978·34 cites·21 claims
- 1478US3950090AElectrophotographic copying machineWASHIO TAKAJI·Filed 1973·Granted Apr 13, 1976·19 cites·8 claims
- 1576US4388396AElectrophotographic process of developing and transfering images uses fluorine containing offset preventing agent in developerMITA INDUSTRIAL CO LTD·Filed 1982·Granted Jun 14, 1983·21 cites·22 claims
- 1673US4013357ACopying machine in which, paper jamming at copying paper cutting mechanism is preventedMITA INDUSTRIAL CO LTD·Filed 1975·Granted Mar 22, 1977·15 cites·6 claims
- 1772US4265992ACoated magnetic developer particles for electrophotography containing vinyl and olefin resinsMITA INDUSTRIAL CO LTD·Filed 1978·Granted May 5, 1981·14 cites·14 claims
- 1869US4226928ALaminated photosensitive material for electrophotographyMITA INDUSTRIAL CO LTD·Filed 1978·Granted Oct 7, 1980·13 cites·7 claims
- 1969US4214907APhotosensitive material for electrophotography having a polyvinyl carbazole derivative, phthalocyanine, and an electron-acceptorMITA INDUSTRIAL CO LTD·Filed 1978·Granted Jul 29, 1980·13 cites·4 claims
- 2067US4357406ADeveloper for electrophotography and process for preparation thereofMITA INDUSTRIAL CO LTD·Filed 1980·Granted Nov 2, 1982·12 cites·12 claims
- 2167US4168338ATransfer sheet with toner-receiving layer of thermoplastic and thermosetting polymersMITA INDUSTRIAL CO LTD·Filed 1977·Granted Sep 18, 1979·16 cites·11 claims
- 2265US4380196APlate for lithography or offset printingMITA INDUSTRIAL CO LTD·Filed 1977·Granted Apr 19, 1983·11 cites·5 claims
- 2363US3981730ADiazo-type multicolor reproduction processMITA INDUSTRIAL CO LTD·Filed 1974·Granted Sep 21, 1976·14 cites·17 claims
- 2462US4168165AElectrophotographic photosensitive material suitable for offset printing and lithography and process for production thereofMITA INDUSTRIAL CO LTD·Filed 1977·Granted Sep 18, 1979·10 cites·11 claims
- 2561US4267246APressure or heated roller electrophoto image fixing uses halogen or nitrile containing polymer dispersed within resin binder as offset prevent tonerMITA INDUSTRIAL CO LTD·Filed 1980·Granted May 12, 1981·12 cites·14 claims
- 2660US4314018ACleaning process for an electrostatic copying apparatusMITA INDUSTRIAL CO LTD·Filed 1979·Granted Feb 2, 1982·9 cites·3 claims
- 2760US4181424AMethod of and means for synchronously transferring original and copying paper for electrostatic photoduplicationMITA INDUSTRIAL CO LTD·Filed 1978·Granted Jan 1, 1980·9 cites·7 claims
- 2860US4147426AElectrostatic photographic copying machineMITA INDUSTRIAL CO LTD·Filed 1977·Granted Apr 3, 1979·13 cites·26 claims
- 2959US3947114AElectrostatic copying machineMITA INDUSTRIAL CO LTD·Filed 1974·Granted Mar 30, 1976·8 cites·19 claims
- 3058US4415645ADeveloper for electrophotography and process for preparation thereofMITA INDUSTRIAL CO LTD·Filed 1979·Granted Nov 15, 1983·7 cites·8 claims
- 3158US4017175AApparatus for preventing successive jamming of copy sheets in copying apparatusMITA INDUSTRIAL CO LTD·Filed 1973·Granted Apr 12, 1977·8 cites·7 claims
- 3258US4012138AElectrostatic photographic copying apparatusMITA INDUSTRIAL CO LTD·Filed 1973·Granted Mar 15, 1977·8 cites·12 claims
- 3357US4233386AMethod of removing residual toner from surface of photoconductive member for use in electrostatic copying apparatus of the transfer typeMITA INDUSTRIAL CO LTD·Filed 1978·Granted Nov 11, 1980·8 cites·4 claims
- 3456US4199356AElectrophotographic process, of transferring a magnetic toner to a copy member having at least 3×1013 ohm-cm resistanceMITA INDUSTRIAL CO LTD·Filed 1975·Granted Apr 22, 1980·8 cites·8 claims
- 3555US4040387AElectrostatic photographic copying apparatusMITA INDUSTRIAL CO LTD·Filed 1975·Granted Aug 9, 1977·8 cites·4 claims
- 3655US3930850AProcess for electrophotographic copying by transfer of electrostatic imagesMITA INDUSTRIAL CO LTD·Filed 1973·Granted Jan 6, 1976·7 cites·6 claims
- 3753US3976488ATreating agent for diazo-type multicolor reproductionMITA INDUSTRIAL CO LTD·Filed 1974·Granted Aug 24, 1976·9 cites·7 claims
- 3852US4012139AElectrostatic copying apparatus having copy paper cut length controlMITA INDUSTRIAL CO LTD·Filed 1975·Granted Mar 15, 1977·7 cites·5 claims
- 3951US4380579AElectrostatic copying process and apparatusMATSUMOTO SHOJI·Filed 1979·Granted Apr 19, 1983·7 cites·1 claims
- 4051US4051052ALiquid developerMITA INDUSTRIAL CO LTD·Filed 1973·Granted Sep 27, 1977·7 cites·16 claims
- 4149US4232101APhotosensitive paper for electrophotography with an electrically conductive coating of a fluorine resinMITA INDUSTRIAL CO LTD·Filed 1978·Granted Nov 4, 1980·6 cites·10 claims
- 4245US4123271AAlkali metal dichromate as memory resistance improver for zinc oxide photoconductors in electrostatic photographyMITA INDUSTRIAL CO LTD·Filed 1976·Granted Oct 31, 1978·6 cites·2 claims
- 4345US3958880ACopying machine of the diazo typeMITA INDUSTRIAL CO LTD·Filed 1973·Granted May 25, 1976·6 cites·13 claims
- 4444US4349611AThermosensitive recording materialMITA INDUSTRIAL CO LTD·Filed 1980·Granted Sep 14, 1982·6 cites·8 claims
- 4544US4033689ACompact optical system for an electrostatic photographic copying apparatusMITA INDUSTRIAL CO LTD·Filed 1975·Granted Jul 5, 1977·5 cites·6 claims
- 4644US3944422APhotosensitive material in use for diazo-type multicolor reproductionMITA INDUSTRIAL CO LTD·Filed 1970·Granted Mar 16, 1976·8 cites·18 claims
- 4743US4328265AProcess for preparation of a transfer sheet for electrostatic photography or printingMITA INDUSTRIAL CO LTD·Filed 1979·Granted May 4, 1982·6 cites·13 claims
- 4842US4430410AMethod and apparatus for developing latent electrostatic imagesMITA INDUSTRIAL CO LTD·Filed 1979·Granted Feb 7, 1984·4 cites·10 claims
- 4941US4245025ATransfer sheet and process for preparation thereofMITA INDUSTRIAL CO LTD·Filed 1978·Granted Jan 13, 1981·6 cites·11 claims
- 5039US4259008AElectrostatic copying apparatusMITA INDUSTRIAL CO LTD·Filed 1979·Granted Mar 31, 1981·4 cites·33 claims
Showing the top 50 of 55 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →