Inventor · disambiguated record
Tatsuo Tani
Also filed as: KONO MASAO · TANI FORMERLY NISHIKAWA TATSUO · TANI TATSUO
54 granted patents·1,626 citations·filing 1974–2006
99Inventor score
Top patents by PatentIndex Score
54 records- 0198US4583834ACopying apparatusRICOH KK·Filed 1978·Granted Apr 22, 1986·192 cites·9 claims
- 0297US5382011ARecording apparatus with a folder/stapler deviceRICOH KK·Filed 1993·Granted Jan 17, 1995·80 cites·14 claims
- 0397US4627707ACopier with image editing functionRICOH KK·Filed 1985·Granted Dec 9, 1986·93 cites·15 claims
- 0497US4277163AVariable magnification electrostatic copying machineRICOH KK·Filed 1979·Granted Jul 7, 1981·68 cites·12 claims
- 0597US4167322AElectrostatic copying system having monitoring devicesRICOH KK·Filed 1978·Granted Sep 11, 1979·94 cites·10 claims
- 0695US4926358ASystem for controlling curls of a paperRICOH KK·Filed 1988·Granted May 15, 1990·72 cites·62 claims
- 0795US4116266AApparatus for heat transferAGENCY IND SCIENCE TECHN·Filed 1977·Granted Sep 26, 1978·140 cites·3 claims
- 0893US3977666AApparatus for selectively feeding sheets from a plurality of cassettesRICOH KK·Filed 1975·Granted Aug 31, 1976·50 cites·8 claims
- 0992US4977429AApparatus for supplying toner to an image forming apparatusRICOH KK·Filed 1989·Granted Dec 11, 1990·42 cites·4 claims
- 1092US4571056AFixing deviceRICOH KK·Filed 1984·Granted Feb 18, 1986·40 cites·7 claims
- 1190US4967234AImage forming apparatusRICOH KK·Filed 1988·Granted Oct 30, 1990·36 cites·5 claims
- 1290US4098501ACassette type sheet feed apparatus for copying machine or the likeRICOH KK·Filed 1976·Granted Jul 4, 1978·38 cites·9 claims
- 1388US7707085B2System and method for providing environmental impact information, recording medium recording the information, and computer data signalRICOH KK·Filed 2005·Granted Apr 27, 2010·13 cites·5 claims
- 1486US6816792B2System and method for providing environmental impact information, recording medium recording the information, and computer data signalRICOH KK·Filed 2002·Granted Nov 9, 2004·23 cites·19 claims
- 1586US6701257B2System and method for providing environmental impact information, recording medium recording the information, and computer data signalRICOH KK·Filed 2001·Granted Mar 2, 2004·25 cites·19 claims
- 1686US6529788B1Recycling system and recycling methodRICOH KK·Filed 1999·Granted Mar 4, 2003·51 cites·49 claims
- 1785US4297021APowder material transportation apparatusRICOH KK·Filed 1979·Granted Oct 27, 1981·25 cites·11 claims
- 1884US6965833B2System and method for providing environmental impact information, recording medium recording the information, and computer data signalRICOH KK·Filed 2004·Granted Nov 15, 2005·18 cites·19 claims
- 1984US4032229AConstruction of electrophotographic copying machines with a cleaning unit for photosensitive surfaceRICOH KK·Filed 1976·Granted Jun 28, 1977·24 cites·9 claims
- 2083US5442432ARecording apparatus with a finisher having multiple bind modesRICOH KK·Filed 1994·Granted Aug 15, 1995·24 cites·2 claims
- 2183US4106763ACassette type sheet feed apparatus for copying machine or the likeRICOH KK·Filed 1976·Granted Aug 15, 1978·28 cites·14 claims
- 2282US7353118B2System and method for providing environmental impact information, recording medium recording the information, and computer data signalRICOH KK·Filed 2006·Granted Apr 1, 2008·5 cites·19 claims
- 2382US6681188B2System and method for providing environmental management information, recording medium recording the information, and computer data signalRICOH KK·Filed 2001·Granted Jan 20, 2004·18 cites·19 claims
- 2482US4158497ACopying apparatusRICOH KK·Filed 1977·Granted Jun 19, 1979·20 cites·11 claims
- 2581US4010732AMulti-stage system for accumulation of heat from solar radiant energyAGENCY IND SCIENCE TECHN·Filed 1975·Granted Mar 8, 1977·41 cites·3 claims
- 2680US3994868AHydrogenation of polyhydroxylunsaturated hydrocarbon polymersMITSUBISHI CHEM IND·Filed 1974·Granted Nov 30, 1976·24 cites·9 claims
- 2777US7346459B2System and method for providing environmental impact information, recording medium recording the information, and computer data signalRICOH KK·Filed 2005·Granted Mar 18, 2008·3 cites·19 claims
- 2875US7117117B2System and method for providing environmental impact information, recording medium recording the information, and computer data signalRICOH KK·Filed 2003·Granted Oct 3, 2006·5 cites·19 claims
- 2975US5166738ACopier operable in two-sided and combination copy modesRICOH KK·Filed 1991·Granted Nov 24, 1992·21 cites·11 claims
- 3075US4214832AElectrostatic copying machine comprising improved document scanning meansRICOH KK·Filed 1977·Granted Jul 29, 1980·16 cites·27 claims
- 3174US7243032B2System and method for providing environmental impact information, recording medium recording the information, and computer data signalRICOH KK·Filed 2002·Granted Jul 10, 2007·4 cites·5 claims
- 3274US4217052AMethod for effecting registration for a copying apparatusRICOH KK·Filed 1978·Granted Aug 12, 1980·15 cites·17 claims
- 3373US4139298ACopying apparatus capable of producing copies differing in size from originalsRICOH KK·Filed 1977·Granted Feb 13, 1979·14 cites·7 claims
- 3472US4772917ACopier with double-face copying and/or composite copying capability and intermediate sheet feeder thereforRICOH KK·Filed 1986·Granted Sep 20, 1988·17 cites·4 claims
- 3571US5418607ATwo side recording method and apparatus thereforRICOH KK·Filed 1992·Granted May 23, 1995·19 cites·5 claims
- 3668US5144385ACurl removing device for an image recorderRICOH KK·Filed 1991·Granted Sep 1, 1992·17 cites·9 claims
- 3768US4569331ASolar heat powered plantTOKYO SHIBAURA ELECTRIC CO·Filed 1983·Granted Feb 11, 1986·26 cites·14 claims
- 3868US4417806AMethod for effecting registration for a copying apparatusRICOH KK·Filed 1981·Granted Nov 29, 1983·12 cites·2 claims
- 3967US5335051AForeign material removing device and developing apparatus comprising the sameRICOH KK·Filed 1992·Granted Aug 2, 1994·16 cites·11 claims
- 4066US4172658AImage forming device of copying apparatus of the variable duplicate size typeRICOH KK·Filed 1978·Granted Oct 30, 1979·11 cites·5 claims
- 4164US4192609AMethod for effecting registration for a copying apparatusRICOH KK·Filed 1978·Granted Mar 11, 1980·9 cites·4 claims
- 4263US4165172ADrum cleaning system for electrophotographic apparatusRICOH KK·Filed 1976·Granted Aug 21, 1979·10 cites·14 claims
- 4362US7177768B2System and method for providing environmental management information, recording medium recording the information, and computer data signalRICOH KK·Filed 2003·Granted Feb 13, 2007·4 cites·19 claims
- 4459US4449517ASolar heat plantAGENCY IND SCIENCE TECHN·Filed 1982·Granted May 22, 1984·19 cites·10 claims
- 4558US6127012ARecyclable article and sheet-like member included thereinRICOH KK·Filed 1997·Granted Oct 3, 2000·22 cites·21 claims
- 4658US5029833ARecording apparatusRICOH KK·Filed 1989·Granted Jul 9, 1991·11 cites·4 claims
- 4756US5172179AImage recorder with a paper bundling deviceRICOH KK·Filed 1991·Granted Dec 15, 1992·18 cites·11 claims
- 4856US3950304ACurable composition used for an electrical insulating materialMITSUBISHI CHEM IND·Filed 1974·Granted Apr 13, 1976·10 cites·8 claims
- 4950US5659838AMethod and system for substantially eliminating a shadow effect during duplicationRICOH KK·Filed 1995·Granted Aug 19, 1997·14 cites·33 claims
- 5050US4194837AOriginal feed apparatus for electrophotographic copying machineRICOH KK·Filed 1978·Granted Mar 25, 1980·3 cites·9 claims
Showing the top 50 of 54 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →