HK

Hitoshi Kawaguchi

NT NTT: 1 patents #30 of 180Top 20%
📍 Hitachinaka, JP: #68 of 240 inventorsTop 30%
Overall (1989): #105,146 of 140,708Top 75%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4856005 Wavelength conversion element for a semiconductor laser Kunishige Oe, Yuzo Yoshikuni 1989-08-08