P

Inventor

TSUMIYAMA AKIRA

JP19 patents
⚠️ This page may combine multiple inventors who share the name “TSUMIYAMA AKIRA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SHIMANO KK

14 patents

TSUMIYAMA AKIRA

4 patents

MIKI YOSHIMITSU

1 patent