Inventor · disambiguated record
Koichi Nakagawa
Also filed as: NAKAGAWA KOICHI
78 granted patents·18 pending applications·1,100 citations·filing 1982–2025
99Inventor score
Files withCANON KK18NAKAGAWA KOICHI17JFE STEEL CORP12MITSUBISHI ELECTRIC CORP8NIPPON CATALYTIC CHEM IND6
Top patents by PatentIndex Score
96 records- 0194US9340309B2Supply apparatus for spout-equipped bagsTOYO JIDOKI KK·Filed 2015·Granted May 17, 2016·12 cites·7 claims
- 0294US5596706AHighly reliable online systemHITACHI LTD·Filed 1994·Granted Jan 21, 1997·228 cites·10 claims
- 0391US8052033B2Friction stir welding methodHONGFUJIN PREC IND SHENZHEN·Filed 2010·Granted Nov 8, 2011·10 cites·6 claims
- 0491US5307481AHighly reliable online systemHITACHI LTD·Filed 1991·Granted Apr 26, 1994·152 cites·1 claims
- 0591US4614144AMusic card systemOKI ELECTRIC IND CO LTD·Filed 1984·Granted Sep 30, 1986·70 cites·10 claims
- 0690US7971770B2Friction stir methodHONGFUJIN PREC IND SHENZHEN·Filed 2010·Granted Jul 5, 2011·10 cites·19 claims
- 0790US5834576AAcrylic acid derivatives, method for preparing the acrylic acid derivatives, and acrylic acid polymersNIPPON CATALYTIC CHEM IND·Filed 1996·Granted Nov 10, 1998·49 cites·52 claims
- 0890US5379418AHighly reliable online systemHITACHI LTD·Filed 1993·Granted Jan 3, 1995·142 cites·7 claims
- 0987US9340308B2Supply apparatus for spout-equipped bagsTOYO JIDOKI KK·Filed 2015·Granted May 17, 2016·5 cites·20 claims
- 1084US8220694B2Friction stir welding method and friction stir welded housingNAKAGAWA KOICHI·Filed 2010·Granted Jul 17, 2012·6 cites·10 claims
- 1183US10392677B2High-strength hot-pressed part and method for manufacturing the sameJFE STEEL CORP·Filed 2015·Granted Aug 27, 2019·1 cites·22 claims
- 1282US10438630B2Display control apparatus that performs time-line display, method of controlling the same, and storage mediumCANON KK·Filed 2018·Granted Oct 8, 2019·3 cites·9 claims
- 1381US9212411B2High strength steel sheet and method for manufacturing the sameNAKAGAWA KOICHI·Filed 2010·Granted Dec 15, 2015·2 cites·8 claims
- 1481US4851547AMethod for production of maleimidesNIPPON CATALYTIC CHEM IND·Filed 1988·Granted Jul 25, 1989·17 cites·12 claims
- 1580US6076063AAudio player and recorder employing semiconductor memory as a recording mediumOKI ELECTRIC IND CO LTD·Filed 1997·Granted Jun 13, 2000·48 cites·14 claims
- 1679US8327308B2Method and apparatus for designing integrated circuitNAKAGAWA KOICHI·Filed 2011·Granted Dec 4, 2012·5 cites·18 claims
- 1778US9740186B2Monitoring control system and control deviceMITSUBISHI ELECTRIC CORP·Filed 2014·Granted Aug 22, 2017·3 cites·7 claims
- 1877US9889393B2Filtration apparatusNAKAGAWA KOICHI·Filed 2011·Granted Feb 13, 2018·4 cites·21 claims
- 1976US6077431AProcess for decomposition and removal of dioxins contained in sludgeKUBOTA KK·Filed 1999·Granted Jun 20, 2000·48 cites·3 claims
- 2076US4807615AMethod for anesthetizing aquatic animalsSEITETSU KAGAKU CO LTD·Filed 1987·Granted Feb 28, 1989·32 cites·10 claims
- 2175US5373188APackaged semiconductor device including multiple semiconductor chips and cross-over leadMITSUBISHI ELECTRIC CORP·Filed 1993·Granted Dec 13, 1994·50 cites·14 claims
- 2274US8167188B2Friction stir welding methodNAKAGAWA KOICHI·Filed 2011·Granted May 1, 2012·2 cites·7 claims
- 2373US9864499B2Display control apparatus and control method for the sameCANON KK·Filed 2014·Granted Jan 9, 2018·3 cites·12 claims
- 2472US9185602B2Transmission device, bandwidth control method and computer programNAKAGAWA KOICHI·Filed 2011·Granted Nov 10, 2015·3 cites·7 claims
- 2572US8654642B2Wireless packet transmission apparatus and packet priority control scheduling methodNAKAGAWA KOICHI·Filed 2010·Granted Feb 18, 2014·3 cites·8 claims
- 2672US5405445AVacuum extraction system for chemical vapor deposition reactor vessel and trapping device incorporated thereinFUJITSU LTD·Filed 1992·Granted Apr 11, 1995·36 cites·10 claims
- 2771US8810527B2Information processing apparatus and control method thereforNAKAGAWA KOICHI·Filed 2010·Granted Aug 19, 2014·3 cites·17 claims
- 2871US5703270AMethod for preparing a vinyl compound having a hydroxy groupNIPPON CATALYTIC CHEM IND·Filed 1995·Granted Dec 30, 1997·14 cites·43 claims
- 2970US10205872B2Display control apparatus and method for controlling the sameCANON KK·Filed 2016·Granted Feb 12, 2019·1 cites·32 claims
- 3070US10088730B2Optical element and imaging deviceASAHI GLASS CO LTD·Filed 2017·Granted Oct 2, 2018·1 cites·13 claims
- 3170US8238712B2Recording and reproducing apparatus and recording and reproducing methodNAKAGAWA KOICHI·Filed 2007·Granted Aug 7, 2012·2 cites·12 claims
- 3269US11293075B2Hot-press forming part and method of manufacturing sameJFE STEEL CORP·Filed 2020·Granted Apr 5, 2022·0 cites·8 claims
- 3369US8778183B2Filtering apparatusNAKAGAWA KOICHI·Filed 2010·Granted Jul 15, 2014·3 cites·17 claims
- 3469US6163954AMethod of producing a sliderALPS ELECTRIC CO LTD·Filed 1999·Granted Dec 26, 2000·21 cites·3 claims
- 3568US10359757B2Control logic diagram analysis device and control logic diagram analysis methodMITSUBISHI ELECTRIC CORP·Filed 2015·Granted Jul 23, 2019·1 cites·6 claims
- 3668US10317860B2Monitoring control deviceMITSUBISHI ELECTRIC CORP·Filed 2013·Granted Jun 11, 2019·2 cites·5 claims
- 3768US8075711B2Hot-rolled high strength steel sheet having excellent ductility, and tensile fatigue properties and method for producing the sameNAKAGAWA KOICHI·Filed 2006·Granted Dec 13, 2011·1 cites·24 claims
- 3868US5556991AMaleimide compounds having improved in storage stabilityNIPPON CATALYTIC CHEM IND·Filed 1993·Granted Sep 17, 1996·10 cites·7 claims
- 3967US10523862B2Electronic device, method, and medium for touch movement controlCANON KK·Filed 2016·Granted Dec 31, 2019·1 cites·15 claims
- 4067US4535356AMusic information transmission systemNIPPON TELEVISION NETWORK·Filed 1982·Granted Aug 13, 1985·20 cites·3 claims
- 4166US10858718B2Steel sheet for hot press and method of manufacturing same, and hot-press forming part and method of manufacturing sameJFE STEEL CORP·Filed 2017·Granted Dec 8, 2020·0 cites·8 claims
- 4266US10048726B2Display control apparatus, control method therefor, and storage medium storing control program thereforCANON KK·Filed 2016·Granted Aug 14, 2018·1 cites·26 claims
- 4366US9485411B2Display control apparatus and method for controlling display control apparatusCANON KK·Filed 2012·Granted Nov 1, 2016·2 cites·32 claims
- 4465US9253370B2Normalization method for a value of an equivalent lightness and a value of a degree of vividness of an arbitrary color, tone type identification method, munsell value calculating method, image formation method and interface screen display deviceKOMATSUBARA HITOSHI·Filed 2012·Granted Feb 2, 2016·2 cites·14 claims
- 4564US12371281B2Processing systemPACRAFT CO LTD·Filed 2023·Granted Jul 29, 2025·0 cites·18 claims
- 4663US12093335B2Server, system, and display data transmission methodNAKAGAWA CHEMICAL INC·Filed 2023·Granted Sep 17, 2024·0 cites·8 claims
- 4763US2025313420A1Linear motor conveyance system and linear motor conveyance methodPACRAFT CO LTD·Filed 2025·Application pending·0 cites
- 4862US6912083B2ASE light source, optical amplifier and laser oscillatorNTT ELECTRONICS CORP·Filed 2004·Granted Jun 28, 2005·7 cites·27 claims
- 4960US8437616B2Recording systemNAKAGAWA KOICHI·Filed 2009·Granted May 7, 2013·0 cites·9 claims
- 5059US11235645B2Stiffening structure and stiffening method for automotive door panel partJFE STEEL CORP·Filed 2018·Granted Feb 1, 2022·0 cites·12 claims
Showing the top 50 of 96 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Koichi Nakagawa files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →