P

Inventor

TOKUNAGA KAZUHIRO

JP4 patents
⚠️ This page may combine multiple inventors who share the name “TOKUNAGA KAZUHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

KASAI KOGYO KK

2 patents

NIPPON TELEGRAPH & TELEPHONE

1 patent

TOYO SEIKAN KAISHA LTD

1 patent