Inventor · disambiguated record
Tatsuya Nakagawa
Also filed as: NAKAGAWA TATSUYA
33 granted patents·8 pending applications·520 citations·filing 1979–2024
97Inventor score
Files withEX CELL O CORP15KYOCERA DOCUMENT SOLUTIONS INC10TOSHIBA KK5HONDA MOTOR CO LTD2TOSHIBA LIGHTING & TECHNOLOGY2
Top patents by PatentIndex Score
41 records- 0188US5451751AHigh-frequency heating apparatus with wave guide switching means and selective power switching means for magnetronTOSHIBA KK·Filed 1993·Granted Sep 19, 1995·68 cites·8 claims
- 0287US9285702B2Image forming apparatus and image forming methodKYOCERA DOCUMENT SOLUTIONS INC·Filed 2014·Granted Mar 15, 2016·4 cites·8 claims
- 0386US5699835AMulti-layer plastic hollow pipeEX CELL O CORP·Filed 1996·Granted Dec 23, 1997·44 cites·14 claims
- 0485US4239474AApparatus for molding a plastic pipeEX CELL O CORP·Filed 1979·Granted Dec 16, 1980·42 cites·9 claims
- 0584US4907957AMolding apparatus for forming a parison and product of differing materialsEX CELL O CORP·Filed 1988·Granted Mar 13, 1990·35 cites·16 claims
- 0682US8929756B2Developing device, image forming apparatus, and method for changing duty ratioKYOCERA DOCUMENT SOLUTIONS INC·Filed 2013·Granted Jan 6, 2015·3 cites·12 claims
- 0782US6537484B2Method for manufacturing a multi-layer plastic pipeEX CELL O CORP·Filed 2001·Granted Mar 25, 2003·15 cites·11 claims
- 0879US5723828AHollow plastic product having a sound attenuatorEX CELL O CORP·Filed 1995·Granted Mar 3, 1998·47 cites·4 claims
- 0976US5183984ACooking apparatus with cooking information display meansTOSHIBA KK·Filed 1992·Granted Feb 2, 1993·36 cites·4 claims
- 1075US6629516B1Exhaust port structure of internal combustion engineHONDA MOTOR CO LTD·Filed 2000·Granted Oct 7, 2003·15 cites·15 claims
- 1173US6776128B2Internal combustion engineHONDA MOTOR CO LTD·Filed 2001·Granted Aug 17, 2004·14 cites·12 claims
- 1272US7678324B2Method for forming a hollow plastic productEX CELL O CORP·Filed 2007·Granted Mar 16, 2010·2 cites·3 claims
- 1369US7316427B2Hollow plastic product having a connector pipeEX CELL O CORP·Filed 2004·Granted Jan 8, 2008·6 cites·7 claims
- 1469US4362688AMethod for molding a plastic pipeEX CELL O CORP·Filed 1980·Granted Dec 7, 1982·27 cites·5 claims
- 1568US12441102B2Liquid ejection apparatus and abnormality detection method capable of detecting abnormality of nozzleKYOCERA DOCUMENT SOLUTIONS INC·Filed 2023·Granted Oct 14, 2025·0 cites·5 claims
- 1667US12472740B2Liquid ejection apparatus and liquid viscosity detection method capable of detecting viscosity of liquidKYOCERA DOCUMENT SOLUTIONS INC·Filed 2023·Granted Nov 18, 2025·0 cites·3 claims
- 1765US12466180B2Signal generation device, liquid ejection device, and signal generation method capable of suppressing extension of liquid ejection intervalKYOCERA DOCUMENT SOLUTIONS INC·Filed 2023·Granted Nov 11, 2025·0 cites·4 claims
- 1864US6119731AHollow plastic productEX CELL O CORP·Filed 1998·Granted Sep 19, 2000·22 cites·9 claims
- 1963US12292710B2Image forming apparatus that includes an eraser drive circuitKYOCERA DOCUMENT SOLUTIONS INC·Filed 2024·Granted May 6, 2025·0 cites·3 claims
- 2063US5156796AForming hollow plastic product partially different in composition and its manufacturing apparatusEX CELL O CORP·Filed 1990·Granted Oct 20, 1992·29 cites·9 claims
- 2162US5851456AMethod for manufacturing a multi-layer plastic productFUJI HEAVY IND LTD·Filed 1997·Granted Dec 22, 1998·22 cites·10 claims
- 2261US6319454B1Method and apparatus for manufacturing a hollow plastic productEX CELL O CORP·Filed 1996·Granted Nov 20, 2001·15 cites·4 claims
- 2359US5198174AMethod for producing a hollow plastic product having a radially extending portionEX CELL O CORP·Filed 1992·Granted Mar 30, 1993·20 cites·11 claims
- 2458US12447741B2Liquid ejection apparatus and determination method capable of determining whether or not liquid filling of pressure chamber has been completedKYOCERA DOCUMENT SOLUTIONS INC·Filed 2023·Granted Oct 21, 2025·0 cites·1 claims
- 2556US6251332B1Method for manufacturing a multilayer plastic pipeEX CELL O CORP·Filed 1997·Granted Jun 26, 2001·13 cites·12 claims
- 2655US5653265AHollow plastic productEX CELL O CORP·Filed 1993·Granted Aug 5, 1997·12 cites·4 claims
- 2754US7203071B2Component mounting circuit board with resin-molded section covering circuit pattern and inner componentsTOSHIBA KK·Filed 2003·Granted Apr 10, 2007·6 cites·7 claims
- 2849US5373145ACooking apparatus operated by a single operational key that automatically sets a most suitable cooking modeTOSHIBA KK·Filed 1993·Granted Dec 13, 1994·13 cites·10 claims
- 2949US2022341247A1Automatic door passage assistance apparatus, passage assistance method, program, and recording mediumNEC SOLUTION INNOVATORS LTD·Filed 2020·Application pending·0 cites
- 3045US10133225B2Image forming apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2017·Granted Nov 20, 2018·0 cites·6 claims
- 3145US9358718B2Shielding structure of a through-hole formed in a wall of a plastic hollow productNAKAGAWA TATSUYA·Filed 2008·Granted Jun 7, 2016·0 cites·12 claims
- 3245US5222015AInverter power supply with input power detection meansTOSHIBA KK·Filed 1992·Granted Jun 22, 1993·10 cites·4 claims
- 3344US8953963B2Developing device, image forming apparatus, and method for controlling developing deviceKYOCERA DOCUMENT SOLUTIONS INC·Filed 2013·Granted Feb 10, 2015·0 cites·15 claims
- 3443US2014181315A1Network System and Network Connection DeviceTOSHIBA LIGHTING & TECHNOLOGY·Filed 2013·Application pending·0 cites
- 3543US2014297878A1Communication Control Device, Server, Communication System and Computer Readable MediumTOSHIBA LIGHTING & TECHNOLOGY·Filed 2013·Application pending·0 cites
- 3641US2010109720A1Semiconductor integrated circuit and control method of the sameNEC ELECTRONICS CORP·Filed 2009·Application pending·0 cites
- 3741US2013067536A1Information processing apparatus and information processing programTAKAHASHI MITSUO·Filed 2012·Application pending·0 cites
- 3840US9471002B2Power supply unit for applying a voltage to a developer carrier, image forming apparatus, and method for applying voltageKYOCERA DOCUMENT SOLUTIONS INC·Filed 2015·Granted Oct 18, 2016·0 cites·6 claims
- 3940US2005157816A1Circuit and method for binary modulationNEC COMPOUND SEMICONDUCTOR·Filed 2005·Application pending·0 cites
- 4037US2013188636A1Communication terminal and communication methodMONMA NOBUYUKI·Filed 2013·Application pending·0 cites
- 4135US2002062873A1Spiral bellows structureEX CELL O CORP·Filed 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →