Inventor
KYOTO MICHIHISA
JP36 patents
⚠️ This page may combine multiple inventors who share the name “KYOTO MICHIHISA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO ELECTRIC INDUSTRIES
31 patentsUS5474589ADec 12, 1995
UV light-permeable glass and article comprising the same
SUMITOMO ELECTRIC INDUSTRIES277 citations99
US5306322AApr 26, 1994
Process for thermal treatment of glass fiber preform
SUMITOMO ELECTRIC INDUSTRIES44 citations96
US4969941ANov 13, 1990
Furnace for heating glass preform for optical fiber and method for producing glass preform
SUMITOMO ELECTRIC INDUSTRIES75 citations96
US5983673ANov 16, 1999
Silica glass article and manufacturing process therefor
SUMITOMO ELECTRIC INDUSTRIES54 citations95
US5249216ASep 28, 1993
Total reflection x-ray fluorescence apparatus
SUMITOMO ELECTRIC INDUSTRIES85 citations93
US5221309AJun 22, 1993
Method for producing glass preform for optical fiber
SUMITOMO ELECTRIC INDUSTRIES49 citations93
US4979971ADec 25, 1990
Method for producing glass preform for optical fiber
SUMITOMO ELECTRIC INDUSTRIES42 citations93
US6333283B1Dec 25, 2001
Silica glass article and manufacturing process therefor
SUMITOMO ELECTRIC INDUSTRIES25 citations92
US5364428ANov 15, 1994
Method for producing glass preform for optical fiber
SUMITOMO ELECTRIC INDUSTRIES24 citations92
US5217516AJun 8, 1993
Method of making optical glass article
SUMITOMO ELECTRIC INDUSTRIES39 citations92
US5158587AOct 27, 1992
Method for producing glass preform for optical fiber
SUMITOMO ELECTRIC INDUSTRIES34 citations92
US5145507ASep 8, 1992
Method for producing glass preform for optical fiber
SUMITOMO ELECTRIC INDUSTRIES38 citations92
US5053068AOct 1, 1991
High pressure fluorine method for producing preform for optical fiber
SUMITOMO ELECTRIC INDUSTRIES22 citations92
US4804247AFeb 14, 1989
Quartz glass optical fiber
SUMITOMO ELECTRIC INDUSTRIES28 citations92
US4586943AMay 6, 1986
Method for the production of glass preform for optical fibers
SUMITOMO ELECTRIC INDUSTRIES39 citations92
US5220591AJun 15, 1993
Total reflection X-ray fluorescence apparatus
SUMITOMO ELECTRIC INDUSTRIES38 citations90
US5106401AApr 21, 1992
Process for thermal treatment of glass fiber preform
SUMITOMO ELECTRIC INDUSTRIES18 citations82
US4693738ASep 15, 1987
Method for producing glass preform for optical fiber
SUMITOMO ELECTRIC INDUSTRIES22 citations81
US4610709ASep 9, 1986
Method for producing glass preform for optical fiber
SUMITOMO ELECTRIC INDUSTRIES24 citations81
US5163987ANov 17, 1992
Method for producing glass preform for optical fiber
SUMITOMO ELECTRIC INDUSTRIES11 citations74
US5022904AJun 11, 1991
Method of making optical glass article
SUMITOMO ELECTRIC INDUSTRIES16 citations74
US4902325AFeb 20, 1990
Method for producing glass preform for optical fiber
SUMITOMO ELECTRIC INDUSTRIES10 citations74
US4735475AApr 5, 1988
Optical fiber including chlorine content in cladding
SUMITOMO ELECTRIC INDUSTRIES13 citations74
US4664690AMay 12, 1987
Method for producing glass preform for optical fiber
SUMITOMO ELECTRIC INDUSTRIES9 citations74
US6709997B2Mar 23, 2004
Silica glass article and manufacturing process therefor
SUMITOMO ELECTRIC INDUSTRIES9 citations73
US5203899AApr 20, 1993
Method for producing glass preform for optical fiber
SUMITOMO ELECTRIC INDUSTRIES19 citations73
US4880452ANov 14, 1989
Method for producing glass preform for optical fiber containing fluorine in cladding
SUMITOMO ELECTRIC INDUSTRIES16 citations73
US6459403B1Oct 1, 2002
Traffic control system
SUMITOMO ELECTRIC INDUSTRIES11 citations71
US5137866AAug 11, 1992
Method for producing molded article of ceramic oxide superconductor
SUMITOMO ELECTRIC INDUSTRIES2 citations62
US4655808AApr 7, 1987
Method for producing glass preform for optical fiber
SUMITOMO ELECTRIC INDUSTRIES6 citations62
US4804393AFeb 14, 1989
Methods for producing optical fiber preform and optical fiber
SUMITOMO ELECTRIC INDUSTRIES1 citations51
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
US4797143AJan 10, 1989
Process for the production of optical fiber preforms
NIPPON TELEGRAPH & TELEPHONE6 citations62
US4318726AMar 9, 1982
Process for producing optical fiber preform
NIPPON TELEGRAPH & TELEPHONE5 citations62