Inventor · disambiguated record
Masaki Fujii
Also filed as: FUJII MASAKI
60 granted patents·13 pending applications·732 citations·filing 1971–2022
99Inventor score
Files withMITSUBISHI PETROCHEMICAL CO16MAZDA MOTOR8FUJII MASAKI6NIPPON OIL CORP6HITACHI HIGH TECH CORP3
Top patents by PatentIndex Score
73 records- 0196US8993478B2Activated carbon for electric double layer capacitor electrode and method for producing the activated carbonFUJII MASAKI·Filed 2010·Granted Mar 31, 2015·49 cites·4 claims
- 0295US10600619B2Plasma processing apparatusHITACHI HIGH TECH CORP·Filed 2016·Granted Mar 24, 2020·11 cites·3 claims
- 0395US6596814B2Polypropylene film having good drawability in a wide temperature range and film propertiesSUNOCO INC R&M·Filed 2001·Granted Jul 22, 2003·55 cites·31 claims
- 0493US9349603B2Plasma processing methodHITACHI HIGH TECH CORP·Filed 2014·Granted May 24, 2016·11 cites·7 claims
- 0591US8828254B2Plasma processing methodINOUE YOSHIHARU·Filed 2012·Granted Sep 9, 2014·11 cites·5 claims
- 0691US7964173B2Feedstock composition and raw coke for electricity storage carbon material and needle cokeNIPPON OIL CORP·Filed 2006·Granted Jun 21, 2011·18 cites·12 claims
- 0788US4261880APolyolefin resin compositionsMITSUBISHI PETROCHEMICAL CO·Filed 1978·Granted Apr 14, 1981·36 cites·16 claims
- 0884US8226921B2Raw coke for electricity storage carbon material and needle cokeOYAMA TAKASHI·Filed 2011·Granted Jul 24, 2012·4 cites·4 claims
- 0982US8197788B2Raw coke for electricity storage carbon material and needle cokeOYAMA TAKASHI·Filed 2011·Granted Jun 12, 2012·4 cites·7 claims
- 1081US4980834AAir-to-fuel ratio control systemMAZDA MOTOR·Filed 1988·Granted Dec 25, 1990·27 cites·9 claims
- 1180US7336163B2Transponder startup control method and interrogator for tire pressure monitoring systemOMRON TATEISI ELECTRONICS CO·Filed 2004·Granted Feb 26, 2008·18 cites·13 claims
- 1280US6599985B2Polypropylene materials with high melt flow rate and good molding characteristics and methods of makingSUNOCO INC R&M·Filed 2001·Granted Jul 29, 2003·18 cites·11 claims
- 1379US7959888B2Raw coke for electricity storage carbon material and needle cokeNIPPON OIL CORP·Filed 2006·Granted Jun 14, 2011·8 cites·9 claims
- 1477US4873071AGraphite structures and method for production thereofKOA OIL COMPANY LIMITED DIRECT·Filed 1988·Granted Oct 10, 1989·29 cites·4 claims
- 1576US10008337B2Activated carbon for an electric double-layer capacitor electrode and manufacturing method for samePOWER CARBON TECH CO LTD·Filed 2014·Granted Jun 26, 2018·4 cites·2 claims
- 1676US4454306AOlefinic block copolymer and crosslinked product thereofMITSUBISHI PETROCHEMICAL CO·Filed 1982·Granted Jun 12, 1984·22 cites·7 claims
- 1775US6204422B1Process for producing dialklylnaphthalenesFUJI OIL CO LTD·Filed 1998·Granted Mar 20, 2001·17 cites·9 claims
- 1875US4311810ABlock copolymers of propylene and 4-methyl-1-penteneMITSUBISHI PETROCHEMICAL CO·Filed 1980·Granted Jan 19, 1982·24 cites·6 claims
- 1974US5454360ASupercharged pressure control device for supercharged engineMAZDA MOTOR·Filed 1994·Granted Oct 3, 1995·26 cites·7 claims
- 2073US8099065B2Transmitting apparatus and methodFUJII MASAKI·Filed 2008·Granted Jan 17, 2012·8 cites·4 claims
- 2173US4481336AOlefinic block copolymers of ethylene propylene and 1-buteneMITSUBISHI PETROCHEMICAL CO·Filed 1983·Granted Nov 6, 1984·19 cites·5 claims
- 2272US10035707B2Artificial graphite material for negative electrode of lithium ion secondary battery, and method for producing sameJXTG NIPPON OIL & ENERGY CORP·Filed 2015·Granted Jul 31, 2018·1 cites·4 claims
- 2371US4356295AProcess for polymerizing olefinsMITSUBISHI PETROCHEMICAL CO·Filed 1979·Granted Oct 26, 1982·14 cites·3 claims
- 2470US4958196AToner recovery deviceKONISHIROKU PHOTO IND·Filed 1988·Granted Sep 18, 1990·16 cites·2 claims
- 2569US11658011B2Plasma processing apparatusHITACHI HIGH TECH CORP·Filed 2020·Granted May 23, 2023·0 cites·3 claims
- 2669US4701505AProcess for production of olefin polymersMITSUBISHI PETROCHEMICAL CO·Filed 1985·Granted Oct 20, 1987·20 cites·2 claims
- 2768US8963062B2Photo detection deviceSASAKI SATORU·Filed 2011·Granted Feb 24, 2015·3 cites·13 claims
- 2868US8284540B2Process of producing activated carbon for electric double layer capacitor electrodeFUJII MASAKI·Filed 2008·Granted Oct 9, 2012·1 cites·9 claims
- 2967US8664155B2Carbon material for electric double layer capacitor and process for producing the carbon materialFUJII MASAKI·Filed 2009·Granted Mar 4, 2014·1 cites·5 claims
- 3066US8858654B2Activated carbon for electric double layer capacitor electrode and method for producing the activated carbonFUJII MASAKI·Filed 2011·Granted Oct 14, 2014·1 cites·8 claims
- 3166US8771038B2Polishing apparatusKIMBA TOSHIFUMI·Filed 2008·Granted Jul 8, 2014·3 cites·8 claims
- 3266US5012695AGear-shifting shock suppressing system for automatic transmission vehicleMAZDA MOTOR·Filed 1989·Granted May 7, 1991·22 cites·12 claims
- 3365US7993619B2Raw oil composition for carbon material for electric double layer capacitor electrodeNIPPON OIL CORP·Filed 2006·Granted Aug 9, 2011·4 cites·14 claims
- 3465US4334040APropylene block copolymersMITSUBISHI PETROCHEMICAL CO·Filed 1980·Granted Jun 8, 1982·15 cites·12 claims
- 3564US4242229ASolid catalyst components for polymerization of α-olefinsMITSUBISHI PETROCHEMICAL CO·Filed 1979·Granted Dec 30, 1980·11 cites·11 claims
- 3660US4833210AModified copolymerMITSUBISHI PETROCHEMICAL CO·Filed 1987·Granted May 23, 1989·12 cites·6 claims
- 3760US2010215567A1Amorphous carbon material for negative electrode of lithium ion secondary battery and method for producing the sameNIPPON OIL CORP·Filed 2008·Application pending·0 cites
- 3857US5190696AProcess for preparation of carbonaceous molded body having excellent compressive elasticityKOA OIL CO LTD·Filed 1990·Granted Mar 2, 1993·14 cites·10 claims
- 3957US5072630AControl system for vehicle with automatic transmission with engine torque control having the hydraulic fluid temperature as a control parameter during shiftingMAZDA MOTOR·Filed 1990·Granted Dec 17, 1991·24 cites·19 claims
- 4057US2012121987A1Amorphous carbon material for negative electrode of lithium ion secondary battery and method for producing the sameSAKAMOTO AKIO·Filed 2012·Application pending·0 cites
- 4156US11733799B2Sensing method, touch panel driving device, and touch panel deviceFUTABA DENSHI KOGYO KK·Filed 2022·Granted Aug 22, 2023·0 cites·3 claims
- 4256US4910262AOlefinic block copolymers containing three blocksMITSUBISHI PETROCHEMICAL CO·Filed 1989·Granted Mar 20, 1990·10 cites·2 claims
- 4356US4477334AThermal cracking of heavy hydrocarbon oilsFUJI OIL CO LTD·Filed 1984·Granted Oct 16, 1984·13 cites·15 claims
- 4454US4740437AElectrochemical battery having an electrolytically reduced product of a saccharide as the electrode materialMITSUBISHI PETROCHEMICAL CO·Filed 1986·Granted Apr 26, 1988·18 cites·11 claims
- 4552US9041413B2Electric leakage detection apparatusNARUSE HIDEAKI·Filed 2012·Granted May 26, 2015·2 cites·5 claims
- 4652US2010209331A1Artificial graphite for negative electrode of lithium ion secondary battery, and method for production thereofNIPPON OIL CORP·Filed 2008·Application pending·0 cites
- 4751US4680318AFoaming resin compositionMITSUBISHI PETROCHEMICAL CO·Filed 1986·Granted Jul 14, 1987·11 cites·16 claims
- 4850US2009051488A1Communication system having transmitter and receiver and signal sending/receiving methodOMRON TATEISI ELECTRONICS CO·Filed 2008·Application pending·0 cites
- 4950US2004183714A1Vehicular remote control systemFiled 2004·Application pending·0 cites
- 5049US4020264ACrystalline polyolefins and production thereofMITSUBISHI PETROCHEMICAL CO·Filed 1971·Granted Apr 26, 1977·6 cites·15 claims
Showing the top 50 of 73 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Masaki Fujii 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 →