Inventor
TANAKA GOTARO
30 patents
⚠️ This page may combine multiple inventors who share the name “TANAKA GOTARO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO ELECTRIC INDUSTRIES
26 patentsUS4578560AMar 25, 1986
High frequency induction coupled plasma torch with concentric pipes having flanges thereon
SUMITOMO ELECTRIC INDUSTRIES472 citations98
US4822399AApr 18, 1989
Glass preform for dispersion shifted single mode optical fiber and method for the production of the same
SUMITOMO ELECTRIC INDUSTRIES63 citations96
US4668263AMay 26, 1987
Method for producing glass preform for optical fiber
SUMITOMO ELECTRIC INDUSTRIES62 citations96
US4793842ADec 27, 1988
Method for producing glass preform for optical fiber
SUMITOMO ELECTRIC INDUSTRIES27 citations93
US4737179AApr 12, 1988
Method for producing glass preform for optical fiber
SUMITOMO ELECTRIC INDUSTRIES39 citations93
US5320659AJun 14, 1994
Method of forming a carbon coated optical fiber with co-current reactant flow
SUMITOMO ELECTRIC INDUSTRIES34 citations92
US5055121AOct 8, 1991
Method for producing glass preform for optical fiber
SUMITOMO ELECTRIC INDUSTRIES31 citations92
US5018824AMay 28, 1991
Process for fusion-splicing hermetically coated optical fibers
SUMITOMO ELECTRIC INDUSTRIES38 citations92
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
US4627866ADec 9, 1986
Method for producing optical fiber preform
SUMITOMO ELECTRIC INDUSTRIES30 citations92
US4627867ADec 9, 1986
Method for producing highly pure glass preform for optical fiber
SUMITOMO ELECTRIC INDUSTRIES28 citations92
US4586943AMay 6, 1986
Method for the production of glass preform for optical fibers
SUMITOMO ELECTRIC INDUSTRIES39 citations92
US4135901AJan 23, 1979
Method of manufacturing glass for optical waveguide
SUMITOMO ELECTRIC INDUSTRIES50 citations92
US5035484AJul 30, 1991
Method and apparatus for producing coated optical fiber
SUMITOMO ELECTRIC INDUSTRIES14 citations82
US4846867AJul 11, 1989
Method for producing glass preform for optical fiber
SUMITOMO ELECTRIC INDUSTRIES21 citations82
US4664474AMay 12, 1987
Optical fiber and process for producing the same
SUMITOMO ELECTRIC INDUSTRIES22 citations82
US4693738ASep 15, 1987
Method for producing glass preform for optical fiber
SUMITOMO ELECTRIC INDUSTRIES22 citations81
US4975416ADec 4, 1990
Method of producing superconducting ceramic wire
SUMITOMO ELECTRIC INDUSTRIES22 citations80
US5235666AAug 10, 1993
Production of a hermetically coated optical fiber
SUMITOMO ELECTRIC INDUSTRIES11 citations73
US5157755AOct 20, 1992
Hermetically coated optical fiber
SUMITOMO ELECTRIC INDUSTRIES11 citations73
US4900894AFeb 13, 1990
Method of heating a quartz glass tube
SUMITOMO ELECTRIC INDUSTRIES11 citations73
US4880452ANov 14, 1989
Method for producing glass preform for optical fiber containing fluorine in cladding
SUMITOMO ELECTRIC INDUSTRIES16 citations73
US5229357AJul 20, 1993
Method of producing superconducting ceramic wire and product
SUMITOMO ELECTRIC INDUSTRIES11 citations72
US4666488AMay 19, 1987
Process of producing a highly pure glass tube
SUMITOMO ELECTRIC INDUSTRIES6 citations62
US4655808AApr 7, 1987
Method for producing glass preform for optical fiber
SUMITOMO ELECTRIC INDUSTRIES6 citations62
NIPPON TELEGRAPH & TELEPHONE
4 patentsUS4812155AMar 14, 1989
Method for production of glass preform for optical fibers
NIPPON TELEGRAPH & TELEPHONE29 citations92
US4338111AJul 6, 1982
Process for producing a glass preform for optical fiber
NIPPON TELEGRAPH & TELEPHONE23 citations82
US4406680ASep 27, 1983
Process for producing high-purity silica glass
NIPPON TELEGRAPH & TELEPHONE15 citations73
US4318726AMar 9, 1982
Process for producing optical fiber preform
NIPPON TELEGRAPH & TELEPHONE5 citations62