Inventor

YAMAI FUMITO

JP10 patents

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

SEKISUI PLASTICS

4 patents

US4771105ASep 13, 1988

Water-absorbent resin and process for producing the same

SEKISUI PLASTICS140 citations91

US4080344AMar 21, 1978

Process for the production of expandable ethylenically unsaturated polymer particles

SEKISUI PLASTICS41 citations91

US4049594ASep 20, 1977

Process for preparing expandable styrene polymer particles

SEKISUI PLASTICS6 citations72

US4065411ADec 27, 1977

Process for the preparation of expandable styrene polymer particles

SEKISUI PLASTICS4 citations61

SEIKISUI CHEMICAL CO LTD

2 patents

US4085169AApr 18, 1978

Process for preparing styrenic polymer particles

SEIKISUI CHEMICAL CO LTD21 citations80

US4091054AMay 23, 1978

Process of preparing styrenic polymer particles

SEIKISUI CHEMICAL CO LTD20 citations71

SEKISUI CHEMICAL CO LTD

2 patents

US4174425ANov 13, 1979

Process of preparing styrenic polymer foams

SEKISUI CHEMICAL CO LTD12 citations71

US4173688ANov 6, 1979

Process for preparing styrenic polymer foams

SEKISUI CHEMICAL CO LTD9 citations71

PIOTREK CO LTD

1 patent

US9979037B2May 22, 2018

Process for producing fluorine containing polymer

PIOTREK CO LTD4 citations68

OGATA NAOYA

1 patent

US9562126B2Feb 7, 2017

Process for producing fluorine containing polymer

OGATA NAOYA1 citations49