KO

Katusunari Okamoto

NP Nippon Telegraph And Telephone Public: 1 patents #4 of 48Top 9%
Overall (1989): #90,010 of 140,708Top 65%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4838916 Method for making single-polorization, single mode optical fibers Takao Edahiro, Tetsuo Miya, Yutaka Sasaki, Masao Kawachi 1989-06-13