Inventor
TOKIWA HIDEHARU
7 patents
Patents
7 patentsUS4810054AMar 7, 1989
Fusion splicing method for optical fibers
KOKUSAI DENSHIN DENWA CO LTD57 citations95
US4729777AMar 8, 1988
Method and apparatus for manufacturing preform for fluoride glass fiber
KOKUSAI DENSHIN DENWA CO LTD36 citations91
US4720162AJan 19, 1988
Device for switching from one light source to another
KOKUSAI DENSHIN DENWA CO LTD36 citations89
US4674835AJun 23, 1987
Fluoride glass optical fiber
KOKUSAI DENSHIN DENWA CO LTD23 citations81
US4320968AMar 23, 1982
Fault location system in an optical fiber transmission system
KOKUSAI DENSHIN DENWA CO LTD7 citations73
US4925475AMay 15, 1990
Method and apparatus for manufacturing preform for fluoride glass fiber
KOKUSAI DENSHIN DENWA CO LTD10 citations72
US4597786AJul 1, 1986
Purifying process of fluoride glass
KOKUSAI DENSHIN DENWA CO LTD15 citations72