Inventor
IWASAKI TAKAO
JP44 patents
⚠️ This page may combine multiple inventors who share the name “IWASAKI TAKAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KUREHA CHEMICAL IND CO LTD
23 patentsUS5415958AMay 16, 1995
Vinylidene fluoride copolymer, and binder composition containing the copolymer for non-aqueous solvent-type secondary battery
KUREHA CHEMICAL IND CO LTD80 citations96
US4645826AFeb 24, 1987
Process for production of high to ultra-high molecular weight linear polyarylenesulfides
KUREHA CHEMICAL IND CO LTD126 citations96
US4814430AMar 21, 1989
Process for producing poly(arylene sulfide) of reduced alkali metal content
KUREHA CHEMICAL IND CO LTD52 citations93
US4812539AMar 14, 1989
Polyarylene sulfide preparation in titanium reaction vessel with two distinct temperature ranges
KUREHA CHEMICAL IND CO LTD29 citations93
US4795671AJan 3, 1989
Para-phenylene sulfide block copolymers, process for the production of the same and use thereof
KUREHA CHEMICAL IND CO LTD24 citations93
US4794164ADec 27, 1988
Process for producing a polyarylene sulfide of excellent handling property and a polyarylene sulfide produced by the process thereof
KUREHA CHEMICAL IND CO LTD53 citations93
US4745167AMay 17, 1988
Polyarylene sulfide preparation in titanium reaction vessel with two distinct temperature ranges
KUREHA CHEMICAL IND CO LTD47 citations93
US5741472AApr 21, 1998
Carbonaceous electrode material for secondary battery
KUREHA CHEMICAL IND CO LTD20 citations92
US5616436AApr 1, 1997
Carbonaceous electrode material for secondary battery and process for production thereof
KUREHA CHEMICAL IND CO LTD29 citations92
US5587255ADec 24, 1996
Carbonaceous electrode material for secondary battery
KUREHA CHEMICAL IND CO LTD34 citations92
US5527643AJun 18, 1996
Carbonaceous electrode material for secondary battery and process for production thereof
KUREHA CHEMICAL IND CO LTD28 citations92
US4769426ASep 6, 1988
Process for preparation of polyarylene thioethers having high melt crystallization temperature
KUREHA CHEMICAL IND CO LTD28 citations92
US4613654ASep 23, 1986
Polyarylenesulfide complexes, processes for production and uses thereof
KUREHA CHEMICAL IND CO LTD26 citations92
US4976825ADec 11, 1990
Process for recovering N-methylpyrrolidone by plural distillations
KUREHA CHEMICAL IND CO LTD41 citations86
US4931516AJun 5, 1990
Process for producing polyarylene sulfide in titanium vessel with addition of water
KUREHA CHEMICAL IND CO LTD20 citations82
US4769442ASep 6, 1988
Process for treating a polymer slurry
KUREHA CHEMICAL IND CO LTD24 citations82
US4863669ASep 5, 1989
Process for forming polyarylenethioether stretched blow-molded vessel
KUREHA CHEMICAL IND CO LTD9 citations74
US4810566AMar 7, 1989
Highly crystallized molded polyarylene thioether and process for producing it
KUREHA CHEMICAL IND CO LTD15 citations74
US4761468AAug 2, 1988
Process for preparing polyarylene thioether having thiol/thiolate end group concentration of 10 micro mole/g or less
KUREHA CHEMICAL IND CO LTD16 citations74
US4746698AMay 24, 1988
Method of preventing corrosion of apparatus for melt-processing polyarylene thioethers
KUREHA CHEMICAL IND CO LTD10 citations74
US4401806AAug 30, 1983
Process for producing graft copolymer
KUREHA CHEMICAL IND CO LTD8 citations74
US4501870AFeb 26, 1985
Fine particles of polyvinyl chloride and process for producing the same
KUREHA CHEMICAL IND CO LTD8 citations73
US4921758AMay 1, 1990
Molded product of polyarylene thioether and the use thereof
KUREHA CHEMICAL IND CO LTD2 citations62
TOSHIBA KK
4 patentsUS5247665ASep 21, 1993
Data base processing apparatus using relational operation processing
TOSHIBA KK62 citations93
US9392132B1Jul 12, 2016
Transitioning a setting operation screen of an image forming apparatus
TOSHIBA KK11 citations84
US7889372B2Feb 15, 2011
Image forming device that sets initial value of printer operation mode according to management mode
TOSHIBA KK7 citations84
US10133465B2Nov 20, 2018
Transitioning a setting operation screen of an image forming apparatus
TOSHIBA KK0 citations52