P

Inventor

YAMADA MASAYA

JP28 patents
⚠️ This page may combine multiple inventors who share the name “YAMADA MASAYA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MITSUI PETROCHEMICAL IND

9 patents

IBIDEN CO LTD

9 patents

PUBLIC WORKS RES INST MINISTRY

3 patents

MITSUBISHI ELECTRIC CORP

2 patents

MITSUBISHI PENCIL CO

2 patents

NISHIMORI TAKASHI

1 patent

IBIDE CO LTD

1 patent

IBM

1 patent