YT

Yuzo Tokumaru

Sumitomo Electric Industries: 5 patents #5,365 of 21,551Top 25%
Overall (All Time): #1,053,771 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5611015 Apparatus and method of splicing polarization-maintaining optical fibers Mikio Kobayashi 1997-03-11
5323481 Optical fiber clamp for holding a plurality of optical fibers of varying diameters Toru Yanagi 1994-06-21
4914261 Cable connecting box Hideo Satou, Kunio Kobayashi 1990-04-03
4812008 Method and apparatus for connecting optical fibers Osamu Nishi 1989-03-14
4720605 Cable closure Yuya Iwamoto 1988-01-19