P

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 patents
US6276287B1Aug 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 patents

SHIONOGI & CO

3 patents

SONY COMPUTER ENTERTAINMENT INC

2 patents

FUJII YASUHIKO

2 patents

MARUYAMA SHINSUKE

1 patent

JAPAN NUCLEAR CYCLE DEV INST

1 patent

KAI HIROYUKI

1 patent

ISHIZUKA NATSUKI

1 patent