Inventor
TATSU HARUYOSHI
JP60 patents
⚠️ This page may combine multiple inventors who share the name “TATSU HARUYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON MEKTRON KK
43 patentsUS5969066AOct 19, 1999
Fluoroelastomer and its cross-linkable composition
NIPPON MEKTRON KK58 citations96
US5910552AJun 8, 1999
Fluorine-containing copolymer elastomer process for producing the same and composition containing the same
NIPPON MEKTRON KK43 citations96
US5151492ASep 29, 1992
Process for producing peroxide-vulcanizable, fluorine-containing elastomer
NIPPON MEKTRON KK63 citations96
US4831085AMay 16, 1989
Fluorine containing polymers and compositions containing same
NIPPON MEKTRON KK54 citations96
US5565512AOct 15, 1996
Fluorine-containing elastomer composition
NIPPON MEKTRON KK125 citations95
US6380337B2Apr 30, 2002
Fluoroelastomer, production thereof, crosslinkable composition and curing product
NIPPON MEKTRON KK37 citations93
US5891974AApr 6, 1999
Copolymer elastomer, process for producing the same and composition containing the same
NIPPON MEKTRON KK20 citations93
US5767204AJun 16, 1998
Fluorine-containing elastomer composition
NIPPON MEKTRON KK110 citations93
US5461129AOct 24, 1995
Tetrafluoroethylene-perfluorovinylether copolymer
NIPPON MEKTRON KK34 citations92
US5621145AApr 15, 1997
Bisamidoxime compound, process for preparing the same and a fluorine-containing elastomer composition comprising the same
NIPPON MEKTRON KK66 citations91
US5942598AAug 24, 1999
Perfluoroalkyleneethertriazine oligomer and process for producing the same
NIPPON MEKTRON KK19 citations90
US5824749AOct 20, 1998
Fluorine-containing elastomer composition
NIPPON MEKTRON KK34 citations90
US6174928B1Jan 16, 2001
Process for producing fluorinated oligomer having COOH groups at both ends
NIPPON MEKTRON KK23 citations88
US5668221ASep 16, 1997
Fluorine-containing elastomer composition
NIPPON MEKTRON KK48 citations88
US5605973AFeb 25, 1997
Bisamidrazone compound and vulcanizing agent for fluorine-containing elastomer comprising the same
NIPPON MEKTRON KK19 citations88
US6160051ADec 12, 2000
Process for producing fluorine-containing block copolymer
NIPPON MEKTRON KK31 citations87
US5637648AJun 10, 1997
Fluorine-containing elastomer composition
NIPPON MEKTRON KK34 citations85
US4769184ASep 6, 1988
Process for producing carbonyl fluoride compound
NIPPON MEKTRON KK19 citations82
US6329471B1Dec 11, 2001
Process for producing carboxyl group-containing vinylidene fluoride copolymer
NIPPON MEKTRON KK15 citations80
US6150485ANov 21, 2000
Process for producing fluorine-containing elastomer
NIPPON MEKTRON KK6 citations74
US5902868AMay 11, 1999
Fluorine-containing copolymer elastomer, process for producing the same and composition containing the same
NIPPON MEKTRON KK8 citations74
US5874506AFeb 23, 1999
Fluorine-containing elastomer composition
NIPPON MEKTRON KK14 citations74
US5719245AFeb 17, 1998
Fluorine-containing copolymer and composition containing the same
NIPPON MEKTRON KK12 citations74
US5478902ADec 26, 1995
Fluorine-containing copolymer and composition containing the same
NIPPON MEKTRON KK11 citations74
US5334667AAug 2, 1994
Vulcanizable, fluorine-containing elastomer composition
NIPPON MEKTRON KK9 citations74
US5194540AMar 16, 1993
Process for producing acrylic elastomer
NIPPON MEKTRON KK8 citations74
US5770633AJun 23, 1998
Process for regenerating cross-linked, vulcanized flourine rubber
NIPPON MEKTRON KK9 citations72
US5587413ADec 24, 1996
Fluorine rubber composition
NIPPON MEKTRON KK6 citations72
US4774302ASep 27, 1988
Process for producing peroxide-vulcanizable, fluorine-containing elastomer
NIPPON MEKTRON KK9 citations72
US5688872ANov 18, 1997
Bisaminothiophenol compound, process for producing the same and curing agent for fluorine-containing elastomer comprising the same
NIPPON MEKTRON KK11 citations71
US5672758ASep 30, 1997
Bisaminothiophenol compound, process for producing the same and curing agent for fluorine-containing elastomer comprising the same
NIPPON MEKTRON KK7 citations71
US5589559ADec 31, 1996
Fluoroelastomer and process for producing the same
NIPPON MEKTRON KK8 citations71
US5994487ANov 30, 1999
Fluoroelastomer and its cross-linkable composition
NIPPON MEKTRON KK12 citations68
US6011129AJan 4, 2000
Process for producing fluorine-containing elastomer
NIPPON MEKTRON KK4 citations63
US5543468AAug 6, 1996
Vulcanizable, fluorine-containing elastomer composition
NIPPON MEKTRON KK4 citations63
US5252678AOct 12, 1993
Process for producing acrylic elastomer
NIPPON MEKTRON KK3 citations63
US6008300ADec 28, 1999
Bisphenol compound and fluorine-containing elastomer composition containing the same
NIPPON MEKTRON KK2 citations61
US5898054AApr 27, 1999
Process for producing fluorine-containing elastomer
NIPPON MEKTRON KK4 citations61
US5763699AJun 9, 1998
Process for preparing 2,2-diphenylhexafluoropropanes
NIPPON MEKTRON KK3 citations60
US5736614AApr 7, 1998
Perfluoro unsaturated nitrile compound and process for producing the same
NIPPON MEKTRON KK4 citations60
US5717037AFeb 10, 1998
Process for producing perfluoro unsaturated nitrile compounds
NIPPON MEKTRON KK3 citations60
US5681921AOct 28, 1997
Perfluoroalkyleneethertriazine oligomer and process for producing the same
NIPPON MEKTRON KK3 citations60
US5679851AOct 21, 1997
Perfluoro unsaturated nitrile compound and process for producing the same
NIPPON MEKTRON KK3 citations60
UNIMATEC CO LTD
3 patentsUS7615592B2Nov 10, 2009
Process for producing water- and oil-repellent agent
UNIMATEC CO LTD12 citations83
US7566801B2Jul 28, 2009
Polyfluoroalkyl alcohol, or (METH)acrylic acid derivative thereof, and process for producing the same
UNIMATEC CO LTD3 citations62
US7732545B2Jun 8, 2010
Process for preparing aqueous dispersion
UNIMATEC CO LTD4 citations60
NIPPON MEKTRON LDT
1 patentLEBEDEV CENTR SYNTH RUBBERS
1 patentITO DAISUKE
1 patent(unassigned)
1 patentShowing the top 50 of 60 patents by PatentIndex Score.