Inventor

HAMADA SUMIO

JP3 patents

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

SUMIKA COLOR COMPANY LTD

1 patent

US6669986B1Dec 30, 2003

Process for manufacturing multilayer pellets and use of the multilayer pellets

SUMIKA COLOR COMPANY LTD83 citations91

NISSAN ENGINEERING LTD

1 patent

US4317705AMar 2, 1982

Method for measuring concentration of oxidant or reductant

NISSAN ENGINEERING LTD16 citations70

SUMITOMO CHEMICAL CO

1 patent

US7541050B2Jun 2, 2009

Two-layered olefin-based resin pellets for insecticidal resin composition

SUMITOMO CHEMICAL CO2 citations61