Inventor

MIZUTANI FUTOSHI

JP9 patents

Patents

9 patents

US4668263AMay 26, 1987

Method for producing glass preform for optical fiber

SUMITOMO ELECTRIC INDUSTRIES62 citations96

US4731103AMar 15, 1988

Method for producing glass preform for optical fiber

SUMITOMO ELECTRIC INDUSTRIES28 citations92

US4675040AJun 23, 1987

Method for producing glass preform for single mode optical fiber

SUMITOMO ELECTRIC INDUSTRIES28 citations92

US4627867ADec 9, 1986

Method for producing highly pure glass preform for optical fiber

SUMITOMO ELECTRIC INDUSTRIES28 citations92

US4846867AJul 11, 1989

Method for producing glass preform for optical fiber

SUMITOMO ELECTRIC INDUSTRIES21 citations82

US4880452ANov 14, 1989

Method for producing glass preform for optical fiber containing fluorine in cladding

SUMITOMO ELECTRIC INDUSTRIES16 citations73

US4666488AMay 19, 1987

Process of producing a highly pure glass tube

SUMITOMO ELECTRIC INDUSTRIES6 citations62

US4750927AJun 14, 1988

Heating apparatus for drawing glass rod

SUMITOMO ELECTRIC INDUSTRIES5 citations56

US4875918AOct 24, 1989

Method of manufacturing fiber preform for single-mode fibers

SUMITOMO ELECTRIC INDUSTRIES2 citations53