Inventor · disambiguated record
Tomoaki Yokoyama
Also filed as: YOKOYAMA TOMOAKI
27 granted patents·1 pending application·290 citations·filing 1986–2021
96Inventor score
Top patents by PatentIndex Score
28 records- 0195US5012285ADeveloping apparatus including a partitioning arrangement for partitioning the toner accommodating tankMINOLTA CAMERA KK·Filed 1988·Granted Apr 30, 1991·55 cites·16 claims
- 0292US5036369AImage forming apparatusMINOLTA CAMERA KK·Filed 1989·Granted Jul 30, 1991·47 cites·14 claims
- 0388US11926230B2Robot charging stationGROOVE X INC·Filed 2021·Granted Mar 12, 2024·2 cites·19 claims
- 0482US11931891B2Robot having flexible outer skinGROOVE X INC·Filed 2020·Granted Mar 19, 2024·1 cites·20 claims
- 0579US9688153B2Electric vehicleMITSUBISHI MOTORS CORP·Filed 2015·Granted Jun 27, 2017·4 cites·6 claims
- 0677US4745437ACopier machinesMINOLTA CAMERA KK·Filed 1987·Granted May 17, 1988·20 cites·15 claims
- 0764US5122843AImage forming apparatus having developing devices which use different size toner particlesMINOLTA CAMERA KK·Filed 1991·Granted Jun 16, 1992·15 cites·13 claims
- 0863US11712796B2Robot that acts comically, and structure thereofGROOVE X INC·Filed 2020·Granted Aug 1, 2023·0 cites·21 claims
- 0963US4785331AElectrophotographic copying method and apparatusMINOLTA CAMERA KK·Filed 1987·Granted Nov 15, 1988·13 cites·18 claims
- 1062US5283615AImage forming apparatus having a plurality of developing devicesMINOLTA CAMERA KK·Filed 1990·Granted Feb 1, 1994·14 cites·34 claims
- 1162US4766458ADeveloping apparatus for use in image-forming system and developing process employing said developing apparatusMINOLTA CAMERA KK·Filed 1986·Granted Aug 23, 1988·12 cites·14 claims
- 1260US5063127AMethod for forming multi-color imagesMINOLTA CAMERA KK·Filed 1989·Granted Nov 5, 1991·11 cites·17 claims
- 1357US5040023AMethod and apparatus for supplying toner to a developing device in an image forming apparatusMINOLTA CAMERA KK·Filed 1989·Granted Aug 13, 1991·10 cites·41 claims
- 1455US5038176AImage forming apparatus having plural magnetic brush developing devicesMINOLTA CAMERA KK·Filed 1989·Granted Aug 6, 1991·10 cites·27 claims
- 1554US4912513ADeveloping apparatus with variable developing bias voltageMINOLTA CAMERA KK·Filed 1988·Granted Mar 27, 1990·9 cites·8 claims
- 1652US5491541ADeveloping apparatus having adjacent similar magnetic polesMINOLTA CAMERA KK·Filed 1993·Granted Feb 13, 1996·9 cites·5 claims
- 1751US5006893AImage forming apparatus with improved toner replenishmentMINOLTA CAMERA KK·Filed 1988·Granted Apr 9, 1991·8 cites·22 claims
- 1851US4794062AMethod for the formation of outline images corresponding to the peripheral outlines of document's imagesMINOLTA CAMERA KK·Filed 1987·Granted Dec 27, 1988·8 cites·8 claims
- 1945US4917043ADeveloping device in an image forming apparatusMINOLTA CAMERA KK·Filed 1988·Granted Apr 17, 1990·6 cites·15 claims
- 2043US5442425ADeveloping apparatusMINOLTA CAMERA KK·Filed 1994·Granted Aug 15, 1995·6 cites·2 claims
- 2142US4828953AMethod for the formation of outline images corresponding to the peripheral outlines of document's imagesMINOLTA CAMERA KK·Filed 1987·Granted May 9, 1989·5 cites·18 claims
- 2241US4821071AElectrophotographic copiersMINOLTA CAMERA KK·Filed 1987·Granted Apr 11, 1989·5 cites·10 claims
- 2340US4924270AToner supply device for use in image forming apparatusMINOLTA CAMERA KK·Filed 1988·Granted May 8, 1990·5 cites·12 claims
- 2440US4897331AReversal image forming methodMINOLTA CAMERA KK·Filed 1988·Granted Jan 30, 1990·4 cites·4 claims
- 2540US2004111417A1Data manipulation persisting method in transaction processing system and data manipulating program for remote databaseFUJITSU LTD·Filed 2003·Application pending·0 cites
- 2639US4792775AMethod for the formation of outline images corresponding to the peripheral outlines of document's imagesMINOLTA CAMERA KK·Filed 1987·Granted Dec 20, 1988·4 cites·8 claims
- 2738US4891287AImage editing methodMINOLTA CAMERA KK·Filed 1988·Granted Jan 2, 1990·4 cites·3 claims
- 2836US4835566AElectrophotographic copying apparatusMINOLTA CAMERA KK·Filed 1987·Granted May 30, 1989·3 cites·24 claims
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