P

Inventor

HATANAKA SHIGETO

JP12 patents
⚠️ This page may combine multiple inventors who share the name “HATANAKA SHIGETO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MITSUBISHI OIL CO

6 patents

NIPPON MITSUBISHI OIL CORP

4 patents

HATANAKA SHIGETO

1 patent

NIPPON OIL CORP

1 patent