Inventor
TAMAI SHOJI
JP68 patents
⚠️ This page may combine multiple inventors who share the name “TAMAI SHOJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUI TOATSU CHEMICALS
40 patentsUS4847349AJul 11, 1989
Polyimide and high-temperature adhesive of polyimide from meta substituted phenoxy diamines
MITSUI TOATSU CHEMICALS89 citations96
US4839232AJun 13, 1989
Flexible laminate printed-circuit board and methods of making same
MITSUI TOATSU CHEMICALS72 citations95
US5708128AJan 13, 1998
Linear polyamic acid, linear polyimide and thermoset polyimide
MITSUI TOATSU CHEMICALS31 citations93
US4734482AMar 29, 1988
Polyimide from ether diamine having the indane structure and high-temperature adhesive of polyimide
MITSUI TOATSU CHEMICALS31 citations93
US5719256AFeb 17, 1998
Process for preparing polycondensation polymer compound
MITSUI TOATSU CHEMICALS20 citations92
US5470943ANov 28, 1995
Polyimide
MITSUI TOATSU CHEMICALS27 citations92
US5278276AJan 11, 1994
Polyimide and high-temperature adhesive of polyimide
MITSUI TOATSU CHEMICALS27 citations92
US5043419AAug 27, 1991
Process for preparing a polyimide and a composite material containing the same
MITSUI TOATSU CHEMICALS26 citations92
US4931531AJun 5, 1990
Polyimide and high-temperature adhesive thereof
MITSUI TOATSU CHEMICALS28 citations92
US4883718ANov 28, 1989
Flexible copper-clad circuit substrate
MITSUI TOATSU CHEMICALS33 citations91
US4994544AFeb 19, 1991
Production process for polyimide fibers
MITSUI TOATSU CHEMICALS23 citations89
US5288843AFeb 22, 1994
Polyimides, process for the preparation thereof and polyimide resin compositions
MITSUI TOATSU CHEMICALS15 citations82
US5268446ADec 7, 1993
Readily processable polyimide and preparation process of same
MITSUI TOATSU CHEMICALS18 citations82
US4795798AJan 3, 1989
High-temperature adhesive polyimide from 2,2-bis[4-(3-amino phenoxy)phenyl]1,1,1,3,3,3-hexafluoro propane
MITSUI TOATSU CHEMICALS22 citations82
US5300620AApr 5, 1994
Heat-resistant adhesive and method of adhesion by using adhesive
MITSUI TOATSU CHEMICALS17 citations81
US4908409AMar 13, 1990
Polyimide
MITSUI TOATSU CHEMICALS17 citations80
US5525704AJun 11, 1996
Resin forming compositions
MITSUI TOATSU CHEMICALS10 citations74
US5508377AApr 16, 1996
Polyimide
MITSUI TOATSU CHEMICALS13 citations74
US5506311AApr 9, 1996
Polyimides, process for the preparation thereof and polyimide resin compositions
MITSUI TOATSU CHEMICALS8 citations74
US5380805AJan 10, 1995
Polyimides, process for the preparation thereof and polyimide resin compositions
MITSUI TOATSU CHEMICALS7 citations74
US5374708ADec 20, 1994
Formed polyimide article
MITSUI TOATSU CHEMICALS13 citations74
US5346982ASep 13, 1994
Heat-resistant adhesive
MITSUI TOATSU CHEMICALS11 citations74
US5286840AFeb 15, 1994
Thermally stable polyimide and preparation process of polyimide
MITSUI TOATSU CHEMICALS7 citations74
US5268447ADec 7, 1993
Readily processable polyimide and preparation process of same
MITSUI TOATSU CHEMICALS13 citations74
US5210174AMay 11, 1993
Preparation process of polyimide
MITSUI TOATSU CHEMICALS18 citations74
US5205894AApr 27, 1993
Polyimide and high-temperature adhesive of polyimide
MITSUI TOATSU CHEMICALS11 citations74
US5196506AMar 23, 1993
Polymide
MITSUI TOATSU CHEMICALS15 citations74
US5157085AOct 20, 1992
Polyimide resin composition
MITSUI TOATSU CHEMICALS8 citations74
US5106937AApr 21, 1992
Thermosetting resin from penta arylene bis maleimide
MITSUI TOATSU CHEMICALS7 citations74
US5087689AFeb 11, 1992
Polyimide and high-temperature adhesive of polyimide based on meta-phenoxy diamines
MITSUI TOATSU CHEMICALS6 citations74
US5086125AFeb 4, 1992
Polyimide resin composition
MITSUI TOATSU CHEMICALS15 citations74
US5041520AAug 20, 1991
Process for preparing polyimide having excellent high temperature stability
MITSUI TOATSU CHEMICALS13 citations74
US4987197AJan 22, 1991
Polyimide/polyamideimide resin composition
MITSUI TOATSU CHEMICALS13 citations74
US4959440ASep 25, 1990
Polymide for high-temperature adhesive
MITSUI TOATSU CHEMICALS10 citations74
US4797466AJan 10, 1989
High-temperature adhesive polyimide from 2,6-bis(3-aminophenoxy)pyridine
MITSUI TOATSU CHEMICALS16 citations74
US5484948AJan 16, 1996
Bismaleimide compounds
MITSUI TOATSU CHEMICALS4 citations73
US5480965AJan 2, 1996
Readily soluble, amorphous polyimide, and preparation process of same
MITSUI TOATSU CHEMICALS14 citations73
US5260388ANov 9, 1993
Polyimide and process for the preparation thereof
MITSUI TOATSU CHEMICALS9 citations73
US5231160AJul 27, 1993
Aromatic diamine compound, preparation process of same and polyimide prepared from same
MITSUI TOATSU CHEMICALS10 citations73
US5206438AApr 27, 1993
Aromatic diamine compounds, bismaleimide compounds, thermosetting resin forming compositions therefrom, resins therefrom, and methods for their preparation
MITSUI TOATSU CHEMICALS4 citations73
MITSUI CHEMICALS INC
9 patentsUS6531568B1Mar 11, 2003
Polyimide containing crosslinkable group and process for producing the same
MITSUI CHEMICALS INC45 citations92
US6458912B1Oct 1, 2002
Crystalline polyimide for melt molding with satisfactory thermal stability
MITSUI CHEMICALS INC24 citations91
US6916898B2Jul 12, 2005
Process for producing polyimide
MITSUI CHEMICALS INC12 citations84
US7345135B2Mar 18, 2008
Crosslinkable aromatic resin having protonic acid group, and ion conductive polymer membrane, binder and fuel cell using the resin
MITSUI CHEMICALS INC9 citations82
US6599675B2Jul 29, 2003
Polyimides and polyamic acids
MITSUI CHEMICALS INC9 citations74
US5821319AOct 13, 1998
Liquid crystal polyamide-imide copolymer
MITSUI CHEMICALS INC11 citations74
US6917275B2Jul 12, 2005
Magnetic core and magnetic core-use adhesive resin composition
MITSUI CHEMICALS INC9 citations73
US5916488AJun 29, 1999
Polyimide resin compositions for optical filters
MITSUI CHEMICALS INC5 citations73
US5868968AFeb 9, 1999
Polyimide resin compositions for optical filters
MITSUI CHEMICALS INC5 citations73
AMDAHL CORP
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