Inventor
YOSHIZAWA NOBUYUKI
JP13 patents
⚠️ This page may combine multiple inventors who share the name “YOSHIZAWA NOBUYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO ELECTRIC INDUSTRIES
5 patentsUS5281247AJan 25, 1994
Method for producing hermetic coated optical fiber
SUMITOMO ELECTRIC INDUSTRIES22 citations92
US5235666AAug 10, 1993
Production of a hermetically coated optical fiber
SUMITOMO ELECTRIC INDUSTRIES11 citations73
US5194080AMar 16, 1993
Apparatus for producing hermetic coated optical fiber
SUMITOMO ELECTRIC INDUSTRIES7 citations73
US5157755AOct 20, 1992
Hermetically coated optical fiber
SUMITOMO ELECTRIC INDUSTRIES11 citations73
US5348564ASep 20, 1994
Method for manufacturing a hermetically coated optical fiber
SUMITOMO ELECTRIC INDUSTRIES4 citations62
NIPPON TELEGRAPH & TELEPHONE
3 patentsUS5408562AApr 18, 1995
Submarine, optical-fiber cable with optical fibers having tensile strain
NIPPON TELEGRAPH & TELEPHONE47 citations88
US5136673AAug 4, 1992
Optical cable and its manufacturing method
NIPPON TELEGRAPH & TELEPHONE27 citations88
US4684213AAug 4, 1987
Submarine optical fiber cable with dam means
NIPPON TELEGRAPH & TELEPHONE12 citations69