Inventor
HOSHINO SUMIO
JP26 patents
⚠️ This page may combine multiple inventors who share the name “HOSHINO SUMIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO ELECTRIC INDUSTRIES
22 patentsUS5314518AMay 24, 1994
Method for producing glass preform for optical fiber
SUMITOMO ELECTRIC INDUSTRIES59 citations96
US5788734AAug 4, 1998
Method for drawing glass preform for optical fiber
SUMITOMO ELECTRIC INDUSTRIES24 citations92
US5755849AMay 26, 1998
Method for elongating glass preform
SUMITOMO ELECTRIC INDUSTRIES39 citations92
US5676725AOct 14, 1997
Method of manufacturing single-mode optical fiber
SUMITOMO ELECTRIC INDUSTRIES24 citations92
US5368887ANov 29, 1994
Process for producing thin glass film by sol-gel method
SUMITOMO ELECTRIC INDUSTRIES32 citations92
US5674306AOct 7, 1997
Method and apparatus for drawing glass preform for optical fiber
SUMITOMO ELECTRIC INDUSTRIES20 citations91
US5895515AApr 20, 1999
Increasing a fluorine compound flow rate during a VAD process
SUMITOMO ELECTRIC INDUSTRIES17 citations84
US5693115ADec 2, 1997
Process for production of glass preform for optical fiber including consolidating in a furnace with a temperature gradient
SUMITOMO ELECTRIC INDUSTRIES10 citations74
US5243677ASep 7, 1993
Quartz optical waveguide and method for producing the same
SUMITOMO ELECTRIC INDUSTRIES16 citations74
US5224185AJun 29, 1993
Optical switch
SUMITOMO ELECTRIC INDUSTRIES13 citations74
US5193137AMar 9, 1993
Quartz optical waveguide and method for producing the same
SUMITOMO ELECTRIC INDUSTRIES13 citations74
US5179614AJan 12, 1993
Quartz optical waveguide and method for producing the same
SUMITOMO ELECTRIC INDUSTRIES8 citations74
US9588287B2Mar 7, 2017
Multimode optical fiber
SUMITOMO ELECTRIC INDUSTRIES6 citations73
US5513983AMay 7, 1996
Apparatus for vitrifying soot preform for optical fiber
SUMITOMO ELECTRIC INDUSTRIES16 citations71
US6698249B1Mar 2, 2004
Porous glass base material production device and method
SUMITOMO ELECTRIC INDUSTRIES12 citations69
US7886561B2Feb 15, 2011
Method for drawing glass parent material and drawing machine for use therein
SUMITOMO ELECTRIC INDUSTRIES2 citations59
US6625360B2Sep 23, 2003
Single-mode optical fibers and fabrication methods thereof
SUMITOMO ELECTRIC INDUSTRIES6 citations56
US8977093B2Mar 10, 2015
Multimode optical fiber
SUMITOMO ELECTRIC INDUSTRIES0 citations52
US8824848B1Sep 2, 2014
Multimode optical fiber including a core and a cladding
SUMITOMO ELECTRIC INDUSTRIES2 citations51
USRE35222EApr 30, 1996
Optical fiber component optical coupler and method of producing thereof
SUMITOMO ELECTRIC INDUSTRIES1 citations50
US5202947AApr 13, 1993
Optical fiber component optical coupler and method of producing thereof
SUMITOMO ELECTRIC INDUSTRIES1 citations50
US8011209B2Sep 6, 2011
Method of making glass
SUMITOMO ELECTRIC INDUSTRIES0 citations40