Inventor
OIKAWA HIDEAKI
JP46 patents
⚠️ This page may combine multiple inventors who share the name “OIKAWA HIDEAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUI TOATSU CHEMICALS
31 patentsUS4847349AJul 11, 1989
Polyimide and high-temperature adhesive of polyimide from meta substituted phenoxy diamines
MITSUI TOATSU CHEMICALS89 citations96
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
US5354839AOct 11, 1994
Polyimide and preparation process of same
MITSUI TOATSU CHEMICALS23 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
US5288843AFeb 22, 1994
Polyimides, process for the preparation thereof and polyimide resin compositions
MITSUI TOATSU CHEMICALS15 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
US4908409AMar 13, 1990
Polyimide
MITSUI TOATSU CHEMICALS17 citations80
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
US5321096AJun 14, 1994
Polyimide composition
MITSUI TOATSU CHEMICALS13 citations74
US5286840AFeb 15, 1994
Thermally stable polyimide and preparation process of polyimide
MITSUI TOATSU CHEMICALS7 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
US5157085AOct 20, 1992
Polyimide resin composition
MITSUI TOATSU CHEMICALS8 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
US5480965AJan 2, 1996
Readily soluble, amorphous polyimide, and preparation process of same
MITSUI TOATSU CHEMICALS14 citations73
US5231160AJul 27, 1993
Aromatic diamine compound, preparation process of same and polyimide prepared from same
MITSUI TOATSU CHEMICALS10 citations73
US5013817AMay 7, 1991
Process for preparing a polyimide and a composite material containing the same
MITSUI TOATSU CHEMICALS17 citations73
US5459233AOct 17, 1995
Polyimides, process for the preparation thereof and polyimide resin compositions
MITSUI TOATSU CHEMICALS3 citations63
US4803258AFeb 7, 1989
Thermoplastic aromatic polyether-pyridine and process for preparing same
MITSUI TOATSU CHEMICALS3 citations63
US5494996AFeb 27, 1996
Polyimide resin composition
MITSUI TOATSU CHEMICALS4 citations62
US5322962AJun 21, 1994
Aromatic diamine intermediates useful in the preparation of polyimide
MITSUI TOATSU CHEMICALS0 citations52
MITSUI CHEMICALS INC
10 patentsUS6531568B1Mar 11, 2003
Polyimide containing crosslinkable group and process for producing the same
MITSUI CHEMICALS INC45 citations92
US6080833AJun 27, 2000
Low-birefringent organic optical component and a spirobiindan polymer
MITSUI CHEMICALS INC51 citations92
US6458912B1Oct 1, 2002
Crystalline polyimide for melt molding with satisfactory thermal stability
MITSUI CHEMICALS INC24 citations91
US6710160B2Mar 23, 2004
Polyamic acid, polyimide, process for producing these, and film of the polyimide
MITSUI CHEMICALS INC17 citations83
US5990261ANov 23, 1999
Organic optical component
MITSUI CHEMICALS INC6 citations73
US6417361B1Jul 9, 2002
Fluorination agent and preparation and use of same
MITSUI CHEMICALS INC9 citations72
US6103806AAug 15, 2000
Polyimide resin composition
MITSUI CHEMICALS INC14 citations71
US6242654B1Jun 5, 2001
Preparation process of fluorine substituted aromatic compound
MITSUI CHEMICALS INC6 citations62
US6103860AAug 15, 2000
Fluorine-containing polyamide
MITSUI CHEMICALS INC3 citations62
US6344579B1Feb 5, 2002
Process for producing fluorinated silicon compound
MITSUI CHEMICALS INC3 citations61