P

Inventor

KAWAI YOICHI

JP38 patents
⚠️ This page may combine multiple inventors who share the name “KAWAI YOICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MITSUI TOATSU CHEMICALS

20 patents
US4734450AMar 29, 1988

Polypropylene-base resin composition containing an inorganic filler and 0.01 to 0.6 wt. % of carbon black

MITSUI TOATSU CHEMICALS57 citations96
US4510079AApr 9, 1985

Electrically-conductive resin composition

MITSUI TOATSU CHEMICALS59 citations95
US4480065AOct 30, 1984

Polypropylene-base resin composition

MITSUI TOATSU CHEMICALS59 citations95
US4314039AFeb 2, 1982

Polypropylene composition containing a 1.3,2.4-di(alkylbenzylidene) sorbitol

MITSUI TOATSU CHEMICALS75 citations95
US4891392AJan 2, 1990

Production process of polyolefin resin composition containing inorganic filler

MITSUI TOATSU CHEMICALS29 citations92
US4705818ANov 10, 1987

Polypropylene-base resin composition

MITSUI TOATSU CHEMICALS35 citations92
US4663369AMay 5, 1987

Glass-fiber reinforced polypropylene resin composition

MITSUI TOATSU CHEMICALS30 citations92
US4425262AJan 10, 1984

Electroconductive resin composition

MITSUI TOATSU CHEMICALS48 citations92
US5023286AJun 11, 1991

Polypropylene resin compositions

MITSUI TOATSU CHEMICALS41 citations89
US5478646ADec 26, 1995

Polypropylene fiber and a preparation process thereof

MITSUI TOATSU CHEMICALS17 citations81
US5082888AJan 21, 1992

Polypropylene resin composition having high dielectric strength

MITSUI TOATSU CHEMICALS18 citations74
US4942096AJul 17, 1990

Polypropylene resin composition

MITSUI TOATSU CHEMICALS11 citations74
US5624621AApr 29, 1997

Process of making polyprophylene fibers

MITSUI TOATSU CHEMICALS6 citations73
US5153249AOct 6, 1992

Polypropylene resin compositions

MITSUI TOATSU CHEMICALS6 citations73
US4626565ADec 2, 1986

Preparation process for polypropylene-base resin compositions

MITSUI TOATSU CHEMICALS11 citations73
US5041338AAug 20, 1991

Polypropylene composition

MITSUI TOATSU CHEMICALS15 citations72
US5247007ASep 21, 1993

Polypropylene resin composition and method for coating molded products of the resin composition

MITSUI TOATSU CHEMICALS5 citations71
US5328950AJul 12, 1994

Polypropylene resin compositions

MITSUI TOATSU CHEMICALS2 citations62
US4481131ANov 6, 1984

Electroconductive resin composition

MITSUI TOATSU CHEMICALS6 citations62
US4885162ADec 5, 1989

Polyolefin resin compositions

MITSUI TOATSU CHEMICALS4 citations60

OKUMA MACHINERY WORKS LTD

8 patents

MINEBEA CO LTD

3 patents

KAWAI YOICHI

2 patents

NIPPON PETROCHEMICALS CO LTD

1 patent

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

1 patent

FUKUDA TAKAKO

1 patent

DAIWA COMPANY LIMITED

1 patent

MITSUI CHEMICALS INC

1 patent