P

Inventor

SUMIYA KENJI

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

HITACHI MAXELL

11 patents

TOYOTA JIDOSHOKKI KK

2 patents

MIZUHO IKA KOGYO KABUSHIKI KAI

1 patent