YS

Yasuyuki Sugawara

FU Fujikura: 3 patents #385 of 1,407Top 30%
NT NTT: 1 patents #2,911 of 4,871Top 60%
NP Nippon Telegraph And Telephone Public: 1 patents #297 of 842Top 40%
Overall (All Time): #1,670,054 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4836639 Optical fiber cable having a neutral axis defining a zero stress Naoki Shamoto, Hideo Suzuki, Masaaki Kawase, Hiromichi Shinohara 1989-06-06
4812014 Water penetration-detecting apparatus and optical fiber cable using same Hiroyuki Sawano, Hideo Suzuki, Kazunaga Kobayashi, Nobuyasu Sato 1989-03-14
4679899 Optical fiber Toshiaki Kobayashi, Kazuo Sanada, Toshiaki Murayama, Naoshi Uesugi 1987-07-14