P

Inventor

KITAGAWA KAZUMI

JP14 patents
⚠️ This page may combine multiple inventors who share the name “KITAGAWA KAZUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ISHIDA SEISAKUSHO

7 patents

ISHIDA SCALE MFG CO LTD

6 patents

AIPHONE CO LTD

1 patent