P

Inventor

KAWASE RITSU

JP13 patents
⚠️ This page may combine multiple inventors who share the name “KAWASE RITSU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TOMOEGAWA PAPER CO LTD

10 patents

NIPPON TELEGRAPH & TELEPHONE

2 patents

TOMOEGAWA CO LTD

1 patent