Inventor

MATSUYAMA KIYOSHI

JP19 patents

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

MATSUYAMA KIYOSHI

SUMITOMO CHEMICAL CO

Granules with a narrow particle size distribution comprising filler, crystalline polyolefin powder and binder

Particulate polyolefin molding material

Process for producing propylene copolymer

Finishing method of polymer slurry

Process for the purification of highly crystalline polyolefins

Process for refining a homopolymer of copolymer of propylene

Method for the heat removal from polymerization reactor

Process for producing a propylene-ethylene copolymer having improved stretchability

Molded products of polypropylene

Process for producing propylene homopolymers and copolymers

Method of discharging slurry by varying valve openings

Propylene-ethylene copolymer having improved stretchability

Process for the recovery of atactic polymers

Process for reusing polymerization solvent by recycling

Process for the production of purified propylene homopolymers or copolymers

Process for producing propylene polymer or copolymer

PRIME PLANET ENERGY & SOLUTIONS INC

Method for producing olefinic resin porous material

Method for producing olefinic resin porous material

MITSUBISHI ELECTRIC CORP

Vacuum discharge device