Inventor

SUGIYAMA HARUHIKO

JP4 patents

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

WAKO PURE CHEM IND LTD

3 patents

US5359085AOct 25, 1994

Fulgimide derivatives

WAKO PURE CHEM IND LTD134 citations94

US4634671AJan 6, 1987

Water-soluble cross-linked polymer of lysyl endopeptidase, process for preparing same and use of same

WAKO PURE CHEM IND LTD4 citations57

US5164512ANov 17, 1992

Oxidizable color producing reagent

WAKO PURE CHEM IND LTD2 citations56

WAKO PURE CHEMICALS CO LTD

1 patent

US5238818AAug 24, 1993

Oxidizable color producing reagent

WAKO PURE CHEMICALS CO LTD10 citations61