P

Inventor

MATSUOKA SHIGEKI

JP10 patents
⚠️ This page may combine multiple inventors who share the name “MATSUOKA SHIGEKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

RICOH KK

7 patents

NIPPON OIL CO LTD

1 patent

ISHIKAWA TAKESHI

1 patent

DAIDO STEEL CO LTD

1 patent