Inventor
KAKUZEN HIDEO
JP5 patents
Patents
5 patentsUS5364428ANov 15, 1994
Method for producing glass preform for optical fiber
SUMITOMO ELECTRIC INDUSTRIES24 citations92
US5145507ASep 8, 1992
Method for producing glass preform for optical fiber
SUMITOMO ELECTRIC INDUSTRIES38 citations92
US4225330ASep 30, 1980
Process for producing glass member
SUMITOMO ELECTRIC INDUSTRIES41 citations91
US5203899AApr 20, 1993
Method for producing glass preform for optical fiber
SUMITOMO ELECTRIC INDUSTRIES19 citations73
US4713107ADec 15, 1987
Apparatus for producing porous preforms for optical fibers
SUMITOMO ELECTRIC INDUSTRIES6 citations58