Inventor
HAMANAKA KATSUHIKO
JP6 patents
⚠️ This page may combine multiple inventors who share the name “HAMANAKA KATSUHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ASAHI CHEMICAL IND
5 patentsUS5143612ASep 1, 1992
Hollow fiber filter module
ASAHI CHEMICAL IND21 citations80
US7083726B2Aug 1, 2006
Hollow thread film cartridge, hollow thread film module using the cartridge, and tank type filter
ASAHI CHEMICAL IND8 citations72
US4332644AJun 1, 1982
Process for separating trioxane
ASAHI CHEMICAL IND13 citations72
US4563536AJan 7, 1986
Method for synthesizing trioxane
ASAHI CHEMICAL IND12 citations71
US4381397AApr 26, 1983
Method for synthesizing trioxane
ASAHI CHEMICAL IND8 citations71