TT

Takeo Tsurumi

Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
Overall (All Time): #2,176,135 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6841729 Self-supporting cable and manufacturing method therefor Itaru Sakabe, Hiroki Ishikawa, Nobuhiro Akasaka, Yoshiro Yamane 2005-01-11
6744954 Submarine optical cable, optical fiber unit employed in the submarine optical cable, and method of making optical fiber unit Shigeru Tanaka, Eisuke Sasaoka, Itaru Sakabe, Yasushi Ito 2004-06-01