P

Inventor

TAKAYAMA RYUJI

JP3 patents
⚠️ This page may combine multiple inventors who share the name “TAKAYAMA RYUJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TAKIRON CO

1 patent

TAKAYAMA TRADING CO LTD

1 patent

TSUKITA TSUYOSHI

1 patent