P

Inventor

NAGANUMA JIRO

JP3 patents
⚠️ This page may combine multiple inventors who share the name “NAGANUMA JIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NIPPON TELEPGRAPH AND TELEHONE

1 patent

NIPPON TELEGRAPH & TELEPHONE

1 patent

SANO TAKASHI

1 patent