Inventor
NAGANO SHIGEHIRO
JP15 patents
⚠️ This page may combine multiple inventors who share the name “NAGANO SHIGEHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO ELECTRIC INDUSTRIES
12 patentsUS10698292B1Jun 30, 2020
Optical wavelength conversion device and method for manufacturing the same
SUMITOMO ELECTRIC INDUSTRIES9 citations82
US10605982B2Mar 31, 2020
Multicore optical fiber with a core and a common cladding having a higher refractive index than the core, fiber Bragg grating, and method for manufacturing fiber Bragg grating
SUMITOMO ELECTRIC INDUSTRIES2 citations71
US10962709B2Mar 30, 2021
Optical fiber and optical fiber grating
SUMITOMO ELECTRIC INDUSTRIES0 citations62
US11126064B2Sep 21, 2021
Optical wavelength conversion device
SUMITOMO ELECTRIC INDUSTRIES1 citations61
US10908353B2Feb 2, 2021
Optical fiber and slanted fiber grating
SUMITOMO ELECTRIC INDUSTRIES1 citations60
US11316316B2Apr 26, 2022
Optical amplifier and multi-core optical fiber
SUMITOMO ELECTRIC INDUSTRIES0 citations52
US9225138B2Dec 29, 2015
Laser light source
SUMITOMO ELECTRIC INDUSTRIES1 citations51
US11448821B2Sep 20, 2022
Slant-type fiber grating
SUMITOMO ELECTRIC INDUSTRIES0 citations50
US10830948B2Nov 10, 2020
Optical device and method for manufacturing optical device
SUMITOMO ELECTRIC INDUSTRIES0 citations50
US10663656B2May 26, 2020
Optical device including poled crystal region and amorphous region
SUMITOMO ELECTRIC INDUSTRIES0 citations50
US9395550B2Jul 19, 2016
Laser light source
SUMITOMO ELECTRIC INDUSTRIES0 citations50
US12204140B2Jan 21, 2025
Gain flattening filter, and method for manufacturing gain flattening filter
SUMITOMO ELECTRIC INDUSTRIES0 citations44