SY

Sumiko Yuhara

NP Nippon Telegraph And Telephone Public: 1 patents #297 of 842Top 40%
Overall (All Time): #4,021,977 of 4,157,543Top 100%
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Patent #TitleCo-InventorsDate
4542957 Plastics optical fibers Kazuo Ishiwari, Akira Ohmori, Nobuyuki Tomihashi, Toshikuni Kaino, Kaname Jinguji +1 more 1985-09-24