Inventor

SUGIYAMA HIRONARI

4 patents

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

KUMIAI CHEMICAL INDUSTRY CO

3 patents

US4071534AJan 31, 1978

Process for producing l-ascorbic acid-2-sulfate

KUMIAI CHEMICAL INDUSTRY CO3 citations60

US4070377AJan 24, 1978

Process for producing L-ascorbic acid-2-sulfate

KUMIAI CHEMICAL INDUSTRY CO2 citations60

US4089964AMay 16, 1978

Method of controlling fungal diseases in plants and compositions effective therefor

KUMIAI CHEMICAL INDUSTRY CO4 citations57

SUGIYAMA HIRONARI

1 patent

US4059635ANov 22, 1977

Substituted derivatives of 1,1-dichloroalkene-1 and their preparation and uses

SUGIYAMA HIRONARI4 citations52