P

Inventor

HIRAYAMA MAMORU

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

OMRON TATEISI ELECTRONICS CO

5 patents

NIPPON TELEGRAPH & TELEPHONE

5 patents

TOMOEGAWA PAPER CO LTD

3 patents