P

Inventor

MATSUOKA RYUICHI

JP8 patents
⚠️ This page may combine multiple inventors who share the name “MATSUOKA RYUICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

DAINIPPON INK & CHEMICALS

4 patents

FURUKAWA ELECTRIC CO LTD

2 patents

NAGAHAMA SADAMU

1 patent

MATSUOKA RYUICHI

1 patent