SO

Seiki Ogawa

NP Nippon Telegraph And Telephone Public: 1 patents #36 of 171Top 25%
NK Nippon Tsushin Kogyo Kabushiki Kaisha: 1 patents #1 of 3Top 35%
Overall (1982): #31,698 of 81,411Top 40%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4347409 Key telephone system Michio Mito, Tsuyoshi Shinoi 1982-08-31