P

Inventor

SUMIMOTO NORIFUMI

JP4 patents
⚠️ This page may combine multiple inventors who share the name “SUMIMOTO NORIFUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SUMIMOTO NORIFUMI

2 patents

TECHNO POLYMER CO LTD

1 patent

JAPAN SYNTHETIC RUBBER CO LTD

1 patent