P

Inventor

USUI YUICHI

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

SUMITOMO ELECTRIC INDUSTRIES

5 patents

NIPPON TELEGRAPH & TELEPHONE

2 patents

IWASA TOMOATSU

1 patent