P

Inventor

HAGIWARA KAZUO

JP11 patents
⚠️ This page may combine multiple inventors who share the name “HAGIWARA KAZUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MITSUI TOATSU CHEMICALS

6 patents

KANEKA CORP

3 patents

KANEGAFUCHI CHEMICAL IND

1 patent

NIHON VALQUA KOGYO KK

1 patent