Inventor
YAMANISHI TOHRU
JP5 patents
Patents
5 patentsUS5613021AMar 18, 1997
Optical fiber switching device having one of a robot mechanism and an optical fiber length adjustment unit
SUMITOMO ELECTRIC INDUSTRIES62 citations95
US5581644ADec 3, 1996
Transmission line switching apparatus
SUMITOMO ELECTRIC INDUSTRIES27 citations92
US5386485AJan 31, 1995
Optical fiber switching device having an optical fiber length adjustment unit and method for using the same
SUMITOMO ELECTRIC INDUSTRIES19 citations81
US5661826AAug 26, 1997
Transmission line switching apparatus
SUMITOMO ELECTRIC INDUSTRIES13 citations73
US5504825AApr 2, 1996
Optical fiber switching device and method
SUMITOMO ELECTRIC INDUSTRIES10 citations73