P

Inventor

HAMANAKA TADASHI

JP7 patents
⚠️ This page may combine multiple inventors who share the name “HAMANAKA TADASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SHOWA DENKO KK

4 patents

WAKO PURE CHEM IND LTD

2 patents

TAKEDA CHEMICAL INDUSTRIES LTD

1 patent