Inventor · disambiguated record
Keiji Yamamoto
Also filed as: YAMAMOTO KEIJI
104 granted patents·41 pending applications·1,931 citations·filing 1975–2025
99Inventor score
Files withKOBELCO CONSTR MACH CO LTD17FUJIFILM CORP15FUJI XEROX CO LTD14TOSHIBA KK12TOYOTA MOTOR CO LTD11
Top patents by PatentIndex Score
145 records- 0195USD642205SCab for construction machineKOBELCO CONSTR MACHINERY LTD·Filed 2011·Granted Jul 26, 2011·72 cites·1 claims
- 0295US7177585B2Image forming apparatus and methodFUJI XEROX CO LTD·Filed 2003·Granted Feb 13, 2007·73 cites·13 claims
- 0392US8093988B2Entry control system and entry control methodTAKENE KOUICHI·Filed 2007·Granted Jan 10, 2012·100 cites·10 claims
- 0492USD637630SCab for construction machineKOBELCO CONTRUCTION MACHINERY CO LTD·Filed 2010·Granted May 10, 2011·67 cites·1 claims
- 0591US4733588AGuide regulator plate for vegetable preparing devicesYAMAMOTO KEIJI·Filed 1986·Granted Mar 29, 1988·53 cites·1 claims
- 0690USD636795SCab for construction machineKOBELCO CONSTR MACHINERY LTD·Filed 2010·Granted Apr 26, 2011·47 cites·1 claims
- 0789US8240745B2Construction machineYAMAMOTO KEIJI·Filed 2010·Granted Aug 14, 2012·16 cites·5 claims
- 0889USD640293SOperating panel with duct cover for construction machineKOBELCO CONSTR MACHINERY LTD·Filed 2010·Granted Jun 21, 2011·42 cites·1 claims
- 0988US8517457B2Construction machine provided with cabYAMAMOTO KEIJI·Filed 2012·Granted Aug 27, 2013·14 cites·6 claims
- 1088US6525643B1Vehicle theft prevention deviceTOYOTA MOTOR CO LTD·Filed 2000·Granted Feb 25, 2003·50 cites·13 claims
- 1187US6709176B2Printer controlling device, printer controlling method, and computer productRICOH KK·Filed 2001·Granted Mar 23, 2004·41 cites·39 claims
- 1287US5688931APolysaccharide derivatives and drug carriersDRUG DELIVERY SYSTEM INST LTD·Filed 1994·Granted Nov 18, 1997·57 cites·16 claims
- 1386US6175711B1Image forming apparatus having a toner diffuserFUJI XEROX CO LTD·Filed 1999·Granted Jan 16, 2001·38 cites·12 claims
- 1485US8525473B2Charging system for hybrid and electric vehicles including an authentication management device arranged in the householdSHIMIZU TOMOMI·Filed 2007·Granted Sep 3, 2013·31 cites·17 claims
- 1585US5509192AApparatus for press-fitting connectors into printed boardsANDO ELECTRIC·Filed 1994·Granted Apr 23, 1996·61 cites·6 claims
- 1684US6104899AImage forming apparatus capable of reducing the skew of an image formed on a sheetFUJI XEROX CO LTD·Filed 1999·Granted Aug 15, 2000·34 cites·4 claims
- 1784US5047526ADehydrogenative silylation process of organic compounds having active hydrogenSHINETSU CHEMICAL CO·Filed 1989·Granted Sep 10, 1991·18 cites·18 claims
- 1883US6154621AImage forming apparatus that is capable of altering a recording sheet transporting speedFUJI XEROX CO LTD·Filed 1999·Granted Nov 28, 2000·36 cites·9 claims
- 1982US8290649B2Registration-based vehicle battery charging systemIWASHITA HIROAKI·Filed 2007·Granted Oct 16, 2012·24 cites·16 claims
- 2081USD636410STrim for construction machineKOBELCO CONSTR MACHINERY LTD·Filed 2010·Granted Apr 19, 2011·28 cites·1 claims
- 2181US6552649B1Vehicle control systemTOYOTA MOTOR CO LTD·Filed 1999·Granted Apr 22, 2003·180 cites·21 claims
- 2280US9279359B2Piston cooling apparatusHONDA MOTOR CO LTD·Filed 2014·Granted Mar 8, 2016·3 cites·8 claims
- 2380US8150573B2Hybrid car travel mode setting deviceSHIMIZU TOMOMI·Filed 2007·Granted Apr 3, 2012·16 cites·13 claims
- 2480USD636794SRear cover for construction machineKOBELCO CONSTR MACHINERY LTD·Filed 2010·Granted Apr 26, 2011·26 cites·1 claims
- 2578US9625618B2Optical member set and solid-state imaging element using the sameFUJIFILM CORP·Filed 2014·Granted Apr 18, 2017·3 cites·15 claims
- 2678US7466216B2Security control systemTOKAI RIKA CO LTD·Filed 2005·Granted Dec 16, 2008·14 cites·15 claims
- 2777US5452351AElectronic private branch exchange having an LCR function and a method of accessing a particular common carrier in that exchangeTOSHIBA KK·Filed 1994·Granted Sep 19, 1995·58 cites·16 claims
- 2876US7003237B2Image formation system, method for determining image formation condition and storage medium storing program thereforFUJI XEROX CO LTD·Filed 2003·Granted Feb 21, 2006·15 cites·17 claims
- 2976US6973272B2Image forming apparatus and methodFUJI XEROX CO LTD·Filed 2003·Granted Dec 6, 2005·15 cites·14 claims
- 3075US8218504B2Mobile communication system, its control device, handover control method, and mobile terminalYAMAMOTO KEIJI·Filed 2009·Granted Jul 10, 2012·7 cites·22 claims
- 3174US9481979B2Working machineKOBELCO CONSTR MACH CO LTD·Filed 2014·Granted Nov 1, 2016·5 cites·6 claims
- 3274US9333992B2Upper slewing body for use in construction machineKOBELCO CONSTR MACH CO LTD·Filed 2015·Granted May 10, 2016·3 cites·7 claims
- 3374US6347196B1Image sticking reducing method and apparatusFUJI XEROX CO LTD·Filed 1999·Granted Feb 12, 2002·22 cites·17 claims
- 3474US2024287310A1Coloring composition, film, color filter, display device, and structural bodyFUJIFILM CORP·Filed 2024·Application pending·0 cites
- 3573US11069235B2Cooperation method between agents and non-transitory storage mediumTOYOTA MOTOR CO LTD·Filed 2019·Granted Jul 20, 2021·2 cites·8 claims
- 3673US7003820B1Supportive device for handicapped peopleIURA CO LTD·Filed 2000·Granted Feb 28, 2006·42 cites·5 claims
- 3772US7432796B2Security control system for managing registration of ID codes for portable devicesTOKAI RIKA CO LTD·Filed 2005·Granted Oct 7, 2008·8 cites·17 claims
- 3872US6322996B1Protein modification methodDRUG DELIVERY SYSTEM INST LTD·Filed 1995·Granted Nov 27, 2001·46 cites·10 claims
- 3972US5400502AApparatus and method for fitting a press-fit connector to a printed circuit boardANDO ELECTRIC·Filed 1994·Granted Mar 28, 1995·29 cites·6 claims
- 4070US3966899AMethod of treatment of medicinesNAKAI YOSHINOBU·Filed 1975·Granted Jun 29, 1976·22 cites·6 claims
- 4169US8530583B2Thermo- and/or photo-sensitive material and insulator film made thereofWADA KENJI·Filed 2009·Granted Sep 10, 2013·1 cites·8 claims
- 4269US8235457B2Cabin and traveling construction machine with the sameYAMAMOTO KEIJI·Filed 2009·Granted Aug 7, 2012·6 cites·6 claims
- 4368US7374208B2Working machineKOBELCO CONSTR MACHINERY LTD·Filed 2004·Granted May 20, 2008·20 cites·18 claims
- 4468US6117447APercutaneous absorption type preparationNITTO DENKO CORP·Filed 1998·Granted Sep 12, 2000·31 cites·5 claims
- 4568US5758252AImage forming apparatus with improved transportation of curled sheetsFUJI XEROX CO LTD·Filed 1996·Granted May 26, 1998·19 cites·6 claims
- 4668US2008213475A1Adhesive sheet and adhesive preparation, and production methods thereofNITTO DENKO CORP·Filed 2008·Application pending·0 cites
- 4767US6370929B1Apparatus for insertion of a key thereinTOKAI RIKA CO LTD·Filed 2000·Granted Apr 16, 2002·12 cites·18 claims
- 4866US8967093B2Piston cooling systemHONDA MOTOR CO LTD·Filed 2014·Granted Mar 3, 2015·1 cites·10 claims
- 4966US8918560B2Controller for storage device and method for controlling storage deviceNISHIKAWA HIROYUKI·Filed 2012·Granted Dec 23, 2014·4 cites·12 claims
- 5066US8068480B2Handover processing system in mobile communication systemYAMAMOTO KEIJI·Filed 2008·Granted Nov 29, 2011·3 cites·12 claims
Showing the top 50 of 145 patent records by PatentIndex Score.
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