P

Inventor

KUMAZAWA AKIRA

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

TOKYO OHKA KOGYO CO LTD

8 patents

ETO TAKAHIRO

1 patent

SHOWA DENKO MATERIALS CO LTD

1 patent

KUMAZAWA AKIRA

1 patent