KO

Katusunari Okamoto

NP Nippon Telegraph And Telephone Public: 1 patents #297 of 842Top 40%
Overall (All Time): #3,930,122 of 4,157,543Top 95%
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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