Inventor
FUJII YASUHIKO
JP47 patents
⚠️ This page may combine multiple inventors who share the name “FUJII YASUHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TODA KOGYO CORP
27 patentsUS6276287B1Aug 21, 2001
Iron compound catalyst for inhibiting generation of dioxin and incineration process of municipal solid waste using the same
TODA KOGYO CORP19 citations92
US5389482AFeb 14, 1995
Magnetic particle powder included in magnetic toners for magnetic image character recognition
TODA KOGYO CORP34 citations92
US7022256B2Apr 4, 2006
Iron particles for purifying contaminated soil or ground water
TODA KOGYO CORP25 citations90
US6800587B2Oct 5, 2004
Iron compound catalyst for inhibiting generation of dioxin
TODA KOGYO CORP13 citations83
US7220366B2May 22, 2007
Process for purifying contaminated soil or groundwater with iron particles
TODA KOGYO CORP10 citations81
US6459012B1Oct 1, 2002
Method for treating organohalogen compound-containing soil or ash
TODA KOGYO CORP12 citations73
US6271168B1Aug 7, 2001
Catalyst for decomposing organohalogen compound
TODA KOGYO CORP13 citations73
US5993536ANov 30, 1999
Method of decoloring colored concrete
TODA KOGYO CORP7 citations73
US5328793AJul 12, 1994
Magnetic particles for magnetic toner
TODA KOGYO CORP8 citations73
US6663840B2Dec 16, 2003
Process for treating dioxin-containing exhaust gas and composite catalyst composition for inhibiting generation of dioxin
TODA KOGYO CORP12 citations72
US10497498B2Dec 3, 2019
Ferrite particles for bonded magnets, resin composition for bonded magnets, and molded product using the same
TODA KOGYO CORP4 citations71
US5350793ASep 27, 1994
Damping material
TODA KOGYO CORP14 citations71
US11823823B2Nov 21, 2023
Ferrite particles for bonded magnets, resin composition for bonded magnets, and molded product using the same
TODA KOGYO CORP2 citations68
US9691528B2Jun 27, 2017
Ferrite particles for bonded magnets, resin composition for bonded magnets, and molded product using the same
TODA KOGYO CORP4 citations68
US6476112B2Nov 5, 2002
Calcium-iron oxide composite particles
TODA KOGYO CORP3 citations62
US6228924B1May 8, 2001
Calcium-iron oxide composite particles and resin molded product containing the same
TODA KOGYO CORP2 citations62
US6436868B1Aug 20, 2002
Composite catalyst composition for inhibiting generation of dioxin
TODA KOGYO CORP3 citations61
US12246475B2Mar 11, 2025
Ferrite particles for bonded magnets, resin composition for bonded magnets, and molded product using the same
TODA KOGYO CORP0 citations60
US11820055B2Nov 21, 2023
Ferrite particles for bonded magnets, resin composition for bonded magnets, and molded product using the same
TODA KOGYO CORP0 citations60
US5977235ANov 2, 1999
Material having a damping property and masterbatch pellets therefor
TODA KOGYO CORP3 citations60
US6197708B1Mar 6, 2001
Dust-removing synthetic resin filter
TODA KOGYO CORP6 citations59
US5232805AAug 3, 1993
Magnetic particles containing iron as the main component and process for producing the same
TODA KOGYO CORP6 citations59
US11228106B2Jan 18, 2022
Electronic component, antenna and RF tag
TODA KOGYO CORP0 citations57
US9607741B2Mar 28, 2017
Ferrite particles for bonded magnet, resin composition for bonded magnet and molded products using the same
TODA KOGYO CORP0 citations50
US6300401B1Oct 9, 2001
Material having a damping property and masterbatch pellets thereof
TODA KOGYO CORP1 citations50
US5569695AOct 29, 1996
Self-fusion type damping material
TODA KOGYO CORP1 citations49
US10128029B2Nov 13, 2018
Ferrite ceramics, ferrite sintered plate and ferrite sintered sheet
TODA KOGYO CORP0 citations38
VICTOR COMPANY OF JAPAN
9 patentsUS4139728AFeb 13, 1979
Signal processing circuit
VICTOR COMPANY OF JAPAN78 citations95
US4408333AOct 4, 1983
Data acquisition circuit
VICTOR COMPANY OF JAPAN21 citations82
US4546393AOct 8, 1985
Digital data transmission system with modified NRZI
VICTOR COMPANY OF JAPAN7 citations74
US4524445AJun 18, 1985
Method and circuit arrangement for synchronous detection
VICTOR COMPANY OF JAPAN15 citations74
US4481648ANov 6, 1984
Method and system for producing a synchronous signal from _cyclic-redundancy-coded digital data blocks
VICTOR COMPANY OF JAPAN10 citations74
US4551840ANov 5, 1985
Digital data duplication apparatus
VICTOR COMPANY OF JAPAN9 citations73
US4527207AJul 2, 1985
Tape speed control for producing a master tape carrying a digital signal
VICTOR COMPANY OF JAPAN2 citations62
US4450490AMay 22, 1984
System for obtaining synchronized reproduction from a plurality of reproducing apparatuses
VICTOR COMPANY OF JAPAN6 citations62
US4137507AJan 30, 1979
Phase-shifting circuit
VICTOR COMPANY OF JAPAN2 citations62
SHIONOGI & CO
3 patentsSONY COMPUTER ENTERTAINMENT INC
2 patentsFUJII YASUHIKO
2 patentsUS8741170B2Jun 3, 2014
Ferrite particles for bonded magnet, resin composition for bonded magnet and molded products using the same
FUJII YASUHIKO8 citations80
US9249033B2Feb 2, 2016
Ferrite particles for bonded magnets, resin composition for bonded magnets, and molded product comprising the same
FUJII YASUHIKO1 citations47