P

Inventor

KATSUMA KATSUHIKO

JP4 patents
⚠️ This page may combine multiple inventors who share the name “KATSUMA KATSUHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NIPPON SYNTHETIC CHEM IND CO LTD

3 patents

KITAMURA SHUICHI

1 patent