Inventor
KOHDA HIROSHI
JP21 patents
⚠️ This page may combine multiple inventors who share the name “KOHDA HIROSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO ELECTRIC INDUSTRIES
17 patentsUS6711322B1Mar 23, 2004
Optical switch, optical-fiber-arraying-member, production method thereof, and arraying method of optical fibers
SUMITOMO ELECTRIC INDUSTRIES13 citations83
US7561769B2Jul 14, 2009
Optical fiber for irradiation-light transfer and light irradiation device equipped with the same
SUMITOMO ELECTRIC INDUSTRIES13 citations79
US6964523B2Nov 15, 2005
Optical switch, optical-fiber-arraying-member, production method thereof, and arraying method of optical fibers
SUMITOMO ELECTRIC INDUSTRIES7 citations73
US10551307B2Feb 4, 2020
Optical fiber inspecting device, optical fiber manufacturing apparatus, method for inspecting optical fiber, and method for manufacturing optical fiber
SUMITOMO ELECTRIC INDUSTRIES3 citations72
USD821330SJun 26, 2018
Optical fiber array
SUMITOMO ELECTRIC INDUSTRIES2 citations72
USD799429SOct 10, 2017
Optical fiber array
SUMITOMO ELECTRIC INDUSTRIES3 citations72
USD799430SOct 10, 2017
Optical fiber array
SUMITOMO ELECTRIC INDUSTRIES3 citations72
US11256027B2Feb 22, 2022
Optical fiber glass eccentricity measurement device and measurement method
SUMITOMO ELECTRIC INDUSTRIES1 citations62
US11022549B2Jun 1, 2021
Optical fiber inspecting device, optical fiber manufacturing apparatus, method for inspecting optical fiber, and method for manufacturing optical fiber
SUMITOMO ELECTRIC INDUSTRIES1 citations62
US7387448B2Jun 17, 2008
Optical component, method for connecting the same, and optical module having the optical component
SUMITOMO ELECTRIC INDUSTRIES6 citations62
US12448317B2Oct 21, 2025
Method of manufacturing optical fiber and apparatus for manufacturing optical fiber
SUMITOMO ELECTRIC INDUSTRIES0 citations61
US12085754B2Sep 10, 2024
Method for producing optical fiber with laser stripping step, and optical fiber thereof
SUMITOMO ELECTRIC INDUSTRIES0 citations57
US9291784B2Mar 22, 2016
Sealing component, optical device sealing structure, method for producing sealing component, and method for producing optical device sealing structure
SUMITOMO ELECTRIC INDUSTRIES1 citations51
US9225138B2Dec 29, 2015
Laser light source
SUMITOMO ELECTRIC INDUSTRIES1 citations51
US7600927B2Oct 13, 2009
Optical splicer, optical module, and method of producing optical splicer
SUMITOMO ELECTRIC INDUSTRIES1 citations51
US11454760B2Sep 27, 2022
Method for manufacturing optical fiber and optical fiber
SUMITOMO ELECTRIC INDUSTRIES0 citations47
US7127135B2Oct 24, 2006
Optical device with lightwave circuit element
SUMITOMO ELECTRIC INDUSTRIES0 citations41