P

Inventor

YAMAGUCHI JOHJI

JP11 patents
⚠️ This page may combine multiple inventors who share the name “YAMAGUCHI JOHJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SHIMOKAWA FUSAO

4 patents

NIPPON TELEGRAPH & TELEPHONE

3 patents

MIZUKAMI MASATO

2 patents

YAMAGUCHI JOHJI

1 patent

USUI MITSUO

1 patent