Inventor · disambiguated record
Yasuhiko Fujii
Also filed as: FUJII YASUHIKO
42 granted patents·6 pending applications·392 citations·filing 1977–2023
98Inventor score
Files withTODA KOGYO CORP32VICTOR COMPANY OF JAPAN9FUJII YASUHIKO2SONY COMPUTER ENTERTAINMENT INC2JAPAN NUCLEAR CYCLE DEV INST1
Top patents by PatentIndex Score
48 records- 0195US4139728ASignal processing circuitVICTOR COMPANY OF JAPAN·Filed 1977·Granted Feb 13, 1979·78 cites·9 claims
- 0293US11823823B2Ferrite particles for bonded magnets, resin composition for bonded magnets, and molded product using the sameTODA KOGYO CORP·Filed 2022·Granted Nov 21, 2023·2 cites·4 claims
- 0389US10497498B2Ferrite particles for bonded magnets, resin composition for bonded magnets, and molded product using the sameTODA KOGYO CORP·Filed 2015·Granted Dec 3, 2019·4 cites·5 claims
- 0488US7220366B2Process for purifying contaminated soil or groundwater with iron particlesTODA KOGYO CORP·Filed 2006·Granted May 22, 2007·10 cites·28 claims
- 0588US7022256B2Iron particles for purifying contaminated soil or ground waterTODA KOGYO CORP·Filed 2002·Granted Apr 4, 2006·25 cites·14 claims
- 0684US12246475B2Ferrite particles for bonded magnets, resin composition for bonded magnets, and molded product using the sameTODA KOGYO CORP·Filed 2023·Granted Mar 11, 2025·0 cites·16 claims
- 0784US8741170B2Ferrite particles for bonded magnet, resin composition for bonded magnet and molded products using the sameFUJII YASUHIKO·Filed 2009·Granted Jun 3, 2014·8 cites·9 claims
- 0877US9691528B2Ferrite particles for bonded magnets, resin composition for bonded magnets, and molded product using the sameTODA KOGYO CORP·Filed 2013·Granted Jun 27, 2017·4 cites·5 claims
- 0975US6800587B2Iron compound catalyst for inhibiting generation of dioxinTODA KOGYO CORP·Filed 2001·Granted Oct 5, 2004·13 cites·8 claims
- 1073US6271168B1Catalyst for decomposing organohalogen compoundTODA KOGYO CORP·Filed 2000·Granted Aug 7, 2001·13 cites·14 claims
- 1168US6459012B1Method for treating organohalogen compound-containing soil or ashTODA KOGYO CORP·Filed 2001·Granted Oct 1, 2002·12 cites·13 claims
- 1267US6663840B2Process for treating dioxin-containing exhaust gas and composite catalyst composition for inhibiting generation of dioxinTODA KOGYO CORP·Filed 2002·Granted Dec 16, 2003·12 cites·10 claims
- 1367US6639591B2Entertainment apparatus, storage medium, and method of deciding weatherSONY COMPUTER ENTERTAINMENT INC·Filed 2001·Granted Oct 28, 2003·14 cites·14 claims
- 1467US6520861B2Entertainment apparatus, storage medium, and method of displaying an objectSONY COMPUTER ENTERTAINMENT INC·Filed 2001·Granted Feb 18, 2003·14 cites·16 claims
- 1566US5389482AMagnetic particle powder included in magnetic toners for magnetic image character recognitionTODA KOGYO CORP·Filed 1992·Granted Feb 14, 1995·34 cites·6 claims
- 1665US8546475B2Infrared reflecting black pigment, and paint and resin composition using the infrared reflecting black pigmentMARUYAMA SHINSUKE·Filed 2010·Granted Oct 1, 2013·2 cites·6 claims
- 1764US5350793ADamping materialTODA KOGYO CORP·Filed 1992·Granted Sep 27, 1994·14 cites·12 claims
- 1863US7214318B2Method for separation of actinide elementsJAPAN NUCLEAR CYCLE DEV INST·Filed 2005·Granted May 8, 2007·1 cites·4 claims
- 1963US4408333AData acquisition circuitVICTOR COMPANY OF JAPAN·Filed 1982·Granted Oct 4, 1983·21 cites·3 claims
- 2061US6276287B1Iron compound catalyst for inhibiting generation of dioxin and incineration process of municipal solid waste using the sameTODA KOGYO CORP·Filed 1999·Granted Aug 21, 2001·19 cites·2 claims
- 2161US2016217892A1Ferrite particles for bonded magnets, resin composition for bonded magnets, and molded product using the sameTODA KOGYO CORP·Filed 2014·Application pending·0 cites
- 2260US11820055B2Ferrite particles for bonded magnets, resin composition for bonded magnets, and molded product using the sameTODA KOGYO CORP·Filed 2014·Granted Nov 21, 2023·0 cites·9 claims
- 2358US9249033B2Ferrite particles for bonded magnets, resin composition for bonded magnets, and molded product comprising the sameFUJII YASUHIKO·Filed 2008·Granted Feb 2, 2016·1 cites·9 claims
- 2458US6476112B2Calcium-iron oxide composite particlesTODA KOGYO CORP·Filed 2001·Granted Nov 5, 2002·3 cites·11 claims
- 2556US9607741B2Ferrite particles for bonded magnet, resin composition for bonded magnet and molded products using the sameTODA KOGYO CORP·Filed 2014·Granted Mar 28, 2017·0 cites·2 claims
- 2656US4551840ADigital data duplication apparatusVICTOR COMPANY OF JAPAN·Filed 1982·Granted Nov 5, 1985·9 cites·5 claims
- 2754US4524445AMethod and circuit arrangement for synchronous detectionVICTOR COMPANY OF JAPAN·Filed 1982·Granted Jun 18, 1985·15 cites·13 claims
- 2852US6436868B1Composite catalyst composition for inhibiting generation of dioxinTODA KOGYO CORP·Filed 2000·Granted Aug 20, 2002·3 cites·9 claims
- 2951US5328793AMagnetic particles for magnetic tonerTODA KOGYO CORP·Filed 1992·Granted Jul 12, 1994·8 cites·11 claims
- 3051US4546393ADigital data transmission system with modified NRZIVICTOR COMPANY OF JAPAN·Filed 1983·Granted Oct 8, 1985·7 cites·5 claims
- 3148US2016215145A1Infrared reflecting black pigment, and paint and resin composition using the infrared reflecting black pigmentTODA KOGYO CORP·Filed 2014·Application pending·0 cites
- 3248US2005214538A1Master batch pellet for production of thermoplastic resin composition, and thermoplastic resin composition using the sameTODA KOGYO CORP·Filed 2005·Application pending·0 cites
- 3347US10128029B2Ferrite ceramics, ferrite sintered plate and ferrite sintered sheetTODA KOGYO CORP·Filed 2014·Granted Nov 13, 2018·0 cites·6 claims
- 3447US4450490ASystem for obtaining synchronized reproduction from a plurality of reproducing apparatusesVICTOR COMPANY OF JAPAN·Filed 1981·Granted May 22, 1984·6 cites·8 claims
- 3547US2016276079A1Soft magnetic ferrite resin composition, soft magnetic ferrite resin composition molded product, and power transmission device for non-contact power feeder systemTODA KOGYO CORP·Filed 2014·Application pending·0 cites
- 3644US4481648AMethod and system for producing a synchronous signal from _cyclic-redundancy-coded digital data blocksVICTOR COMPANY OF JAPAN·Filed 1982·Granted Nov 6, 1984·10 cites·3 claims
- 3743US11228106B2Electronic component, antenna and RF tagTODA KOGYO CORP·Filed 2018·Granted Jan 18, 2022·0 cites·6 claims
- 3843US2003091764A1Plastic film, and shopping bag and garbage bag produced from the sameFiled 2002·Application pending·0 cites
- 3942US5993536AMethod of decoloring colored concreteTODA KOGYO CORP·Filed 1998·Granted Nov 30, 1999·7 cites·13 claims
- 4039US2006081811A1Iron composite particles for purifying soil or ground water, purifying agent containing the iron composite particles, and method for purifying soil or ground waterTODA KOGYO CORP·Filed 2005·Application pending·0 cites
- 4135US6197708B1Dust-removing synthetic resin filterTODA KOGYO CORP·Filed 1998·Granted Mar 6, 2001·6 cites·8 claims
- 4235US5232805AMagnetic particles containing iron as the main component and process for producing the sameTODA KOGYO CORP·Filed 1991·Granted Aug 3, 1993·6 cites·20 claims
- 4334US4527207ATape speed control for producing a master tape carrying a digital signalVICTOR COMPANY OF JAPAN·Filed 1983·Granted Jul 2, 1985·2 cites·12 claims
- 4434US4137507APhase-shifting circuitVICTOR COMPANY OF JAPAN·Filed 1977·Granted Jan 30, 1979·2 cites·8 claims
- 4533US6228924B1Calcium-iron oxide composite particles and resin molded product containing the sameTODA KOGYO CORP·Filed 1998·Granted May 8, 2001·2 cites·4 claims
- 4631US5977235AMaterial having a damping property and masterbatch pellets thereforTODA KOGYO CORP·Filed 1997·Granted Nov 2, 1999·3 cites·4 claims
- 4729US5569695ASelf-fusion type damping materialTODA KOGYO CORP·Filed 1992·Granted Oct 29, 1996·1 cites·2 claims
- 4828US6300401B1Material having a damping property and masterbatch pellets thereofTODA KOGYO CORP·Filed 1999·Granted Oct 9, 2001·1 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →