P

Inventor

KAWAMURA KAZUMI

JP7 patents
⚠️ This page may combine multiple inventors who share the name “KAWAMURA KAZUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NGK SPARK PLUG CO

3 patents

NIKKO MATERIALS CO LTD

2 patents

(unassigned)

1 patent

NIPPON MINING CO

1 patent