Inventor · disambiguated record
Kenzo Ariyama
Also filed as: ARIYAMA KENZO · HIGAYA TOSHIAKI · TANI TATSUO
32 granted patents·746 citations·filing 1974–1995
98Inventor score
Top patents by PatentIndex Score
32 records- 0195US4985733AImage fixing unit for use in wet-type electrophotographic copying machineRICOH KK·Filed 1989·Granted Jan 15, 1991·63 cites·9 claims
- 0295US4905047AWet type image forming apparatusRICOH KK·Filed 1989·Granted Feb 27, 1990·55 cites·10 claims
- 0393US5359398AElectrophotographic copier with a developing device using a liquid developerRICOH KK·Filed 1992·Granted Oct 25, 1994·52 cites·7 claims
- 0493US4640605AApparatus for forming multicolor electrophotographic images through wet-type developing processRICOH KK·Filed 1985·Granted Feb 3, 1987·46 cites·49 claims
- 0591US5642188AWet-type electrophotographic image formation methodRICOH KK·Filed 1994·Granted Jun 24, 1997·45 cites·30 claims
- 0688US5021834AWet-type image formation apparatusRICOH KK·Filed 1990·Granted Jun 4, 1991·44 cites·8 claims
- 0788US4181425AApparatus for cleaning photosensitive memberRICOH KK·Filed 1977·Granted Jan 1, 1980·26 cites·9 claims
- 0887US5384225ALiquid developer for latent electrostatic imagesRICOH KK·Filed 1992·Granted Jan 24, 1995·34 cites·8 claims
- 0987US4860050ADeveloping replenisher material for use in image forming deviceRICOH KK·Filed 1987·Granted Aug 22, 1989·33 cites·52 claims
- 1085US5463453AWet-type image formation apparatusRICOH KK·Filed 1993·Granted Oct 31, 1995·33 cites·22 claims
- 1184US4417800AImage transfer material separation apparatus for electrophotographic copying machineRICOH KK·Filed 1981·Granted Nov 29, 1983·26 cites·28 claims
- 1283US4800839ADeveloping device for electrophotographic color copierRICOH KK·Filed 1986·Granted Jan 31, 1989·50 cites·39 claims
- 1382USRE34437EApparatus for forming multicolor electrophotographic images through wet-type developing processRICOH KK·Filed 1989·Granted Nov 9, 1993·25 cites·49 claims
- 1478US4423134ADeveloping unit for electrophotographyRICOH KK·Filed 1978·Granted Dec 27, 1983·17 cites·16 claims
- 1576US4056315ASqueeze roller retraction assemblyRICOH KK·Filed 1976·Granted Nov 1, 1977·17 cites·8 claims
- 1675US4411511AImage transfer material separation and transportation apparatus for electrophotographic copying apparatusRICOH KK·Filed 1980·Granted Oct 25, 1983·20 cites·71 claims
- 1775US4214832AElectrostatic copying machine comprising improved document scanning meansRICOH KK·Filed 1977·Granted Jul 29, 1980·16 cites·27 claims
- 1873US4059394AHeat fixing apparatus for use in a wet electrophotographic copying machineRICOH KK·Filed 1975·Granted Nov 22, 1977·15 cites·3 claims
- 1973US3936045ASheet stripping device for copying apparatusRICOH KK·Filed 1974·Granted Feb 3, 1976·16 cites·6 claims
- 2069US4474456ADevice for heat-fixing a toner imageRICOH KK·Filed 1982·Granted Oct 2, 1984·14 cites·20 claims
- 2166US3951934APolymerization of acrylamide in the presence of water-soluble nitrogen compoundsNITTO CHEMICAL INDUSTRY CO LTD·Filed 1974·Granted Apr 20, 1976·12 cites·7 claims
- 2265US4454210AElectrophotographic reproduction of a three-dimensional objectRICOH KK·Filed 1982·Granted Jun 12, 1984·12 cites·5 claims
- 2359US3947518AProcess for purifying acrylamidesNITTO CHEMICAL INDUSTRY CO LTD·Filed 1974·Granted Mar 30, 1976·5 cites·15 claims
- 2457US5957700AWriting boardRICOH ELEMEX CORP·Filed 1995·Granted Sep 28, 1999·18 cites·11 claims
- 2557US4575215AElectrophotographic reproduction of a three-dimensional objectRICOH KK·Filed 1984·Granted Mar 11, 1986·9 cites·7 claims
- 2656US4294535AElectrostatic copying apparatusRICOH KK·Filed 1980·Granted Oct 13, 1981·10 cites·7 claims
- 2755US4455411AProcess for preparing acrylamide polymersNITTO CHEMICAL INDUSTRY CO LTD·Filed 1983·Granted Jun 19, 1984·10 cites·7 claims
- 2853US5142122AFixing device for image forming equipmentRICOH KK·Filed 1991·Granted Aug 25, 1992·9 cites·4 claims
- 2949US3996411AProduction of water-soluble polymersNITTO CHEMICAL INDUSTRY CO LTD·Filed 1974·Granted Dec 7, 1976·5 cites·7 claims
- 3037US4410262ASheet transportation and separation apparatusRICOH KK·Filed 1981·Granted Oct 18, 1983·4 cites·32 claims
- 3134US4948691AImage fixing method for use in wet-type electrophotographic copying machineRICOH KK·Filed 1989·Granted Aug 14, 1990·4 cites·8 claims
- 3231US4018524AConstruction for use with an electrophotographic copying machine of wet developing typeRICOH KK·Filed 1975·Granted Apr 19, 1977·1 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →