Inventor

KIYOHARA AKIO

JP4 patents

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

TOYO SODA MFG CO LTD

2 patents

US4684711AAug 4, 1987

Process for producing a hydrocarbon resin

TOYO SODA MFG CO LTD2 citations60

US4680349AJul 14, 1987

Method of polymerizing vinyl monomers with coated reactor

TOYO SODA MFG CO LTD0 citations48

OKADA ATSUSHI

1 patent

US8168252B2May 1, 2012

Electromagnetic wave shielding material and process for producing the same

OKADA ATSUSHI2 citations57

TOSOH CORP

1 patent

US4870146ASep 26, 1989

Process for producing a light color high softening point hydrocarbon resin

TOSOH CORP3 citations57