P

Inventor

OHSAWA NORIO

JP5 patents
⚠️ This page may combine multiple inventors who share the name “OHSAWA NORIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MITSUBISHI PENCIL CO

3 patents

OHSAWA NORIO

1 patent

IZAWA HIROTAKE

1 patent