Inventor
SAITO TSUNETOSHI
JP23 patents
⚠️ This page may combine multiple inventors who share the name “SAITO TSUNETOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FURUKAWA ELECTRIC CO LTD
22 patentsUS6490395B1Dec 3, 2002
Arrayed waveguide grating and method for compensating optical transmitting center wavelength of light traveling through the same
FURUKAWA ELECTRIC CO LTD70 citations96
US6045269AApr 4, 2000
Multicore optical connector and method of producing the connector
FURUKAWA ELECTRIC CO LTD63 citations96
US6377723B1Apr 23, 2002
Optical waveguide circuit, and method for compensating the light transmission wavelength
FURUKAWA ELECTRIC CO LTD34 citations92
US6769817B2Aug 3, 2004
Optical fiber module
FURUKAWA ELECTRIC CO LTD14 citations84
US9541707B2Jan 10, 2017
Method for connecting multi-core fiber, multi-core fiber, and method for manufacturing multi-core fiber
FURUKAWA ELECTRIC CO LTD10 citations83
US9158064B2Oct 13, 2015
Method for producing bundle structure including a plurality of optical fibers, method for connecting optical fibers, bundle terminal structure comprising capillary and optical fibers, and fiber connection structure comprising bundle terminal structure comprising capillary and optical fibers
FURUKAWA ELECTRIC CO LTD16 citations83
US6445853B1Sep 3, 2002
Arrayed waveguide grating
FURUKAWA ELECTRIC CO LTD10 citations74
US6826332B2Nov 30, 2004
Arrayed waveguide grating and its method for correcting center wavelength
FURUKAWA ELECTRIC CO LTD11 citations73
US6757453B2Jun 29, 2004
Optical waveguide module
FURUKAWA ELECTRIC CO LTD8 citations73
US6748156B2Jun 8, 2004
Optical fiber array and optical light-wave device, and connecting the same
FURUKAWA ELECTRIC CO LTD9 citations73
US6529670B1Mar 4, 2003
Optical fiber array and optical light-wave device, and connecting the same
FURUKAWA ELECTRIC CO LTD10 citations73
US10012803B2Jul 3, 2018
Optical fiber bundle structure and optical fiber connection structure
FURUKAWA ELECTRIC CO LTD3 citations72
US9829652B2Nov 28, 2017
Connector structure and connector connection structure
FURUKAWA ELECTRIC CO LTD6 citations72
US9692201B2Jun 27, 2017
Optical-fiber-bundle structure, rare-earth-doped multi-core fiber, connection structure therefor, method for exciting rare-earth-doped multi-core fibers, and multi-core-optical-fiber amplifier
FURUKAWA ELECTRIC CO LTD3 citations72
US9658410B2May 23, 2017
Optical connector, method for aligning multi-core fiber with bundle structure, and fiber arrangement conversion member
FURUKAWA ELECTRIC CO LTD6 citations72
US10139574B2Nov 27, 2018
Multi-core connector, connector, and connector connection mechanism
FURUKAWA ELECTRIC CO LTD4 citations71
US6668117B2Dec 23, 2003
Arrayed waveguide grating optical multiplexer demultiplexer
FURUKAWA ELECTRIC CO LTD9 citations71
US7010184B2Mar 7, 2006
Optical module
FURUKAWA ELECTRIC CO LTD3 citations63
US6415071B1Jul 2, 2002
Optical wavelength multiplexed transmission module, and wavelength multiplexed transmission system using the same
FURUKAWA ELECTRIC CO LTD6 citations62
US9225141B2Dec 29, 2015
Multi-core amplification optical fiber and multi-core optical fiber amplifier
FURUKAWA ELECTRIC CO LTD3 citations61
US6830384B2Dec 14, 2004
Optical fiber module
FURUKAWA ELECTRIC CO LTD1 citations52
US11333828B2May 17, 2022
Optical connection component
FURUKAWA ELECTRIC CO LTD0 citations51