Inventor

NEGISHI MASAAKI

JP4 patents

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

SHOWA SANGYO CO

2 patents

US4113752ASep 12, 1978

Method for refining of palm oils

SHOWA SANGYO CO4 citations60

US4041059AAug 9, 1977

Method of improving the oxidation resistance of an oil or fat

SHOWA SANGYO CO6 citations54

SUNWA LTD

1 patent

US7347426B2Mar 25, 2008

Stair-climbing wheelchair carrier

SUNWA LTD11 citations78

SHOWA SANGY CO LTD

1 patent

US4758441AJul 19, 1988

Odorless soybeans

SHOWA SANGY CO LTD6 citations66