Inventor · disambiguated record
Takao Nakagawa
Also filed as: NAKAGAWA TAKAO
60 granted patents·12 pending applications·1,069 citations·filing 1982–2024
99Inventor score
Top patents by PatentIndex Score
72 records- 0197US6334035B1Developer container and cartridgeCANON KK·Filed 2000·Granted Dec 25, 2001·80 cites·48 claims
- 0296US6118960AEnd cover, process cartridge and assembling method for process cartridgeCANON KK·Filed 1998·Granted Sep 12, 2000·84 cites·24 claims
- 0396US6101354AElectrophotographic image forming apparatus to which a process cartridge is detachably mountable and such a process cartridge whose developing member is supported at a position which deviates from a developing positionCANON KK·Filed 1998·Granted Aug 8, 2000·86 cites·18 claims
- 0495US6377759B1Process cartridge, electrophotographic image forming apparatus and developer amount detecting memberCANON KK·Filed 2000·Granted Apr 23, 2002·62 cites·63 claims
- 0593US8737315B2Communication apparatus and allocation determining methodSHIIZAKI KOTARO·Filed 2009·Granted May 27, 2014·30 cites·22 claims
- 0692US11283381B2Power system for a work vehicleKUBOTA KK·Filed 2020·Granted Mar 22, 2022·4 cites·10 claims
- 0792US5768660ACharging device and process cartridgeCANON KK·Filed 1996·Granted Jun 16, 1998·61 cites·40 claims
- 0890US5206085APreformed yarn useful for forming composite articles and process for producing sameACROSS CO·Filed 1991·Granted Apr 27, 1993·73 cites·8 claims
- 0988US8270525B2Digital radio communications method using multi-level modulation scheme and transmitter and receiverNAKAGAWA TAKAO·Filed 2008·Granted Sep 18, 2012·18 cites·13 claims
- 1088US5923918ADevice for notifying a remaining amount of a developer, a process cartridge, and an electrophotographic image forming apparatusCANON KK·Filed 1997·Granted Jul 13, 1999·44 cites·29 claims
- 1188US5678809ASpring membersACROSS CO·Filed 1995·Granted Oct 21, 1997·64 cites·26 claims
- 1288US4770915AFlexible composite material and process for preparing sameFUJI STANDARD RES INC·Filed 1986·Granted Sep 13, 1988·51 cites·6 claims
- 1386US11540437B2Spraying support system for working machineKUBOTA KK·Filed 2020·Granted Jan 3, 2023·2 cites·14 claims
- 1485US8295866B2Mobile user terminal, mobile communication system, base station, and communication methodOBUCHI KAZUHISA·Filed 2011·Granted Oct 23, 2012·4 cites·2 claims
- 1585US7622896B2Battery charging control terminal and temperature control terminalNEC CORP·Filed 2005·Granted Nov 24, 2009·20 cites·20 claims
- 1685US6183667B1Titanium-and copper-containing carbon composite material and process for the production thereofRAILWAY TECHNICAL RES INST·Filed 2000·Granted Feb 6, 2001·25 cites·24 claims
- 1783US9088392B2Mobile user terminal, mobile communication system, base station, and communication methodFUJITSU LTD·Filed 2012·Granted Jul 21, 2015·3 cites·6 claims
- 1883US8406796B2Mobile user terminal, mobile communication system, base station, and communication methodOBUCHI KAZUHISA·Filed 2012·Granted Mar 26, 2013·3 cites·4 claims
- 1982US7974649B2Mobile user terminal, mobile communication system, base station, and communication methodFUJITSU LTD·Filed 2010·Granted Jul 5, 2011·3 cites·12 claims
- 2082US6041196ADeveloper detecting apparatus for detecting the position of an upper surface of developer contained in a container and process cartridge comprising such apparatusCANON KK·Filed 1998·Granted Mar 21, 2000·31 cites·17 claims
- 2181US8064937B2Mobile user terminal, mobile communication system, base station, and communication methodOBUCHI KAZUHISA·Filed 2007·Granted Nov 22, 2011·5 cites·27 claims
- 2277US10980231B2Insect repellentKAO CORP·Filed 2018·Granted Apr 20, 2021·0 cites·5 claims
- 2377US4902453AProcess for the preparation of a fiber-reinforced carbon compositeACROSS CO·Filed 1988·Granted Feb 20, 1990·29 cites·6 claims
- 2476US9520278B2Nebulizer and analyzerNAT INST ADVANCED IND SCIENCE & TECH·Filed 2015·Granted Dec 13, 2016·3 cites·5 claims
- 2573US9291556B2Objective optical system for ATR measurement, and ATR measurement deviceNAKAGAWA TAKAO·Filed 2012·Granted Mar 22, 2016·2 cites·6 claims
- 2672US8874028B2Terminal device, relay device, and base station communication methodNAKAGAWA TAKAO·Filed 2010·Granted Oct 28, 2014·3 cites·6 claims
- 2772US5503783AProcess of making a spring memberACROSS CO·Filed 1994·Granted Apr 2, 1996·30 cites·4 claims
- 2872US4772502APreformed yarn useful in forming composite articles and process of producing sameACROSS CO·Filed 1987·Granted Sep 20, 1988·23 cites·6 claims
- 2971US5076872AProcess for preparing a flexible composite materialFUJI STANDARD RES INC·Filed 1988·Granted Dec 31, 1991·23 cites·11 claims
- 3070US5975270AClutch disk of C/C composite for a wet friction clutch, and process for producing the sameHONDA MOTOR CO LTD·Filed 1998·Granted Nov 2, 1999·20 cites·15 claims
- 3169US10779531B2Insect repellentKAO CORP·Filed 2016·Granted Sep 22, 2020·1 cites·13 claims
- 3267US8134997B2Preamble receiving apparatusNAKAGAWA TAKAO·Filed 2007·Granted Mar 13, 2012·4 cites·18 claims
- 3367US7832529B2Friction member for frictional engagement device and method for producing the sameHONDA MOTOR CO LTD·Filed 2005·Granted Nov 16, 2010·2 cites·6 claims
- 3467US4624807AProcess for producing microspherical, oil-containing carbonaceous particlesFUJI STANDARD RES INC·Filed 1983·Granted Nov 25, 1986·14 cites·8 claims
- 3566US5579898AHeat-resisting material and conveyer belt using sameACROSS CO·Filed 1994·Granted Dec 3, 1996·19 cites·5 claims
- 3665US10363890B2Electronic device, working machine, and management system for termination resistorKUBOTA KK·Filed 2015·Granted Jul 30, 2019·2 cites·8 claims
- 3765US4663021AProcess of producing carbonaceous pitchFUJI STANDARD RES INC·Filed 1986·Granted May 5, 1987·25 cites·8 claims
- 3864US10582657B2Spreading deviceKUBOTA KK·Filed 2018·Granted Mar 10, 2020·2 cites·12 claims
- 3962US11273834B2Work management system and work management methodKUBOTA KK·Filed 2019·Granted Mar 15, 2022·1 cites·12 claims
- 4062US6472058B2Fiber-composite material and method for producing the sameNGK INSULATORS LTD·Filed 1998·Granted Oct 29, 2002·19 cites·10 claims
- 4160US4663022AProcess for the production of carbonaceous pitchFUJI STANDARD RES INC·Filed 1986·Granted May 5, 1987·19 cites·9 claims
- 4258US9331796B2Mobile user terminal, mobile communication system, base station, and communication methodFUJITSU LTD·Filed 2012·Granted May 3, 2016·0 cites·14 claims
- 4358US8320946B2Mobile user terminal, mobile communication system, base station, and communication methodOBUCHI KAZUHISA·Filed 2012·Granted Nov 27, 2012·0 cites·1 claims
- 4458US4591424AMethod of preparing carbonaceous pitchFUJI STANDARD RES INC·Filed 1984·Granted May 27, 1986·9 cites·16 claims
- 4558US4522627AProcess for producing oil-containing, microspherical carbonaceous particlesFUJI STANDARD RES INC·Filed 1982·Granted Jun 11, 1985·10 cites·7 claims
- 4658US2018064109A1Insect RepellentKAO CORP·Filed 2016·Application pending·0 cites
- 4753US2005158509A1Punchable carbon/carbon composite plate and process for producing friction plate for multiplate wet clutchFiled 2003·Application pending·0 cites
- 4852US8270989B2Base station, communication terminal, method for communication at base station, method for communication at communication terminal, and communication systemSHIIZAKI KOTARO·Filed 2009·Granted Sep 18, 2012·0 cites·8 claims
- 4952US2006248700A1Carbon-carbon composite plate for stamping and process for producing multiple plate wet clutch friction plateHONDA MOTOR CO LTD·Filed 2006·Application pending·0 cites
- 5052US2025238593A1Computer-readable recording medium storing information processing program and information processing methodFUJITSU LTD·Filed 2024·Application pending·0 cites
Showing the top 50 of 72 patent records by PatentIndex Score.
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