P

Inventor

YAMADA ETSUO

JP17 patents
⚠️ This page may combine multiple inventors who share the name “YAMADA ETSUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

OKI ELECTRIC IND CO LTD

11 patents

CANON KK

4 patents

NAKAMURA YOSHIHIRO

2 patents