P

Inventor

OKA ICHIRO

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

JAPAN TOBACCO INC

4 patents

KASHIHARA MASAKAZU

1 patent

DU PONT

1 patent

OKA ICHIRO

1 patent