P

Inventor

NAKAGAWA TADAO

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

NIPPON TELEGRAPH & TELEPHONE

5 patents

NISSHIN KOGYO KK

4 patents

NAKAGAWA TADAO

3 patents

ISHIHARA KOICHI

2 patents

NIPPON SEIKI CO LTD

2 patents

YAMAZAKI ETSUSHI

2 patents

KUDO RIICHI

1 patent