HI

Hitoshi Imagawa

NT NTT: 1 patents #30 of 180Top 20%
Overall (1989): #105,398 of 140,708Top 75%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4864558 Self-routing switch Shigeo Urushidani, Koichi Hagishima 1989-09-05