P

Inventor

TANAKA RITSU

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

NGK INSULATORS LTD

8 patents

KAIGAWA KAZUYUKI

3 patents

TANAKA RITSU

2 patents

YURA YUKINOBU

1 patent