Inventor
OKUBO SOICHIRO
JP22 patents
⚠️ This page may combine multiple inventors who share the name “OKUBO SOICHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO ELECTRIC INDUSTRIES
20 patentsUS6813076B2Nov 2, 2004
Faraday rotator, optical isolator, polarizer, and diamond-like carbon thin film
SUMITOMO ELECTRIC INDUSTRIES25 citations92
US7181106B2Feb 20, 2007
Optical fiber capped at end with diffractive film, and manufacturing method therefor
SUMITOMO ELECTRIC INDUSTRIES15 citations82
US11685655B2Jun 27, 2023
Carbon nanostructure producing method, carbon nanostructure and carbon nanostructure producing apparatus
SUMITOMO ELECTRIC INDUSTRIES0 citations62
US7218447B2May 15, 2007
Diamond-like carbon film and method for qualitatively transforming diamond-like carbon film
SUMITOMO ELECTRIC INDUSTRIES3 citations62
US12221347B2Feb 11, 2025
Carbon nanotube assembled wire and carbon nanotube assembled wire bundle
SUMITOMO ELECTRIC INDUSTRIES0 citations61
US12168607B2Dec 17, 2024
Method for manufacturing carbon nanotube, method for manufacturing carbon nanotube assembled wire, method for manufacturing carbon nanotube assembled wire bundle, carbon nanotube manufacturing apparatus, carbon nanotube assembled wire manufacturing apparatus, and carbon nanotube assembled wire bundle manufacturing apparatus
SUMITOMO ELECTRIC INDUSTRIES0 citations61
US11866330B2Jan 9, 2024
Method for manufacturing carbon nanotube, method for manufacturing carbon nanotube assembled wire, method for manufacturing carbon nanotube assembled wire bundle, carbon nanotube manufacturing apparatus, carbon nanotube assembled wire manufacturing apparatus, and carbon nanotube assembled wire bundle manufacturing apparatus
SUMITOMO ELECTRIC INDUSTRIES0 citations61
US7511784B2Mar 31, 2009
Hologram color filter, method for fabricating the same, and color liquid crystal display comprising it
SUMITOMO ELECTRIC INDUSTRIES6 citations61
US7342254B2Mar 11, 2008
Light-emitting device having a diffractive film on its light-output face and manufacturing method therefor
SUMITOMO ELECTRIC INDUSTRIES2 citations61
US12480230B2Nov 25, 2025
Carbon nanotube-resin composite and method for manufacturing carbon nanotube-resin composite
SUMITOMO ELECTRIC INDUSTRIES0 citations60
US11939219B2Mar 26, 2024
Carbon nanotube assembled wire, carbon nanotube assembled wire bundle, and carbon nanotube structure
SUMITOMO ELECTRIC INDUSTRIES0 citations60
US11673806B2Jun 13, 2023
Carbon nanotube composite assembled wire, heat-treated body of carbon nanotube composite assembled wire, method for manufacturing carbon nanotube composite assembled wire, and method for manufacturing heat-treated body of carbon nanotube composite assembled wire
SUMITOMO ELECTRIC INDUSTRIES0 citations60
US11511996B2Nov 29, 2022
Carbon nanotube composite, method for manufacturing the same, and method for manufacturing refined carbon nanotube
SUMITOMO ELECTRIC INDUSTRIES0 citations60
US10807908B2Oct 20, 2020
Optical component
SUMITOMO ELECTRIC INDUSTRIES1 citations56
US7573638B2Aug 11, 2009
Diffractive optical element and method of its formation
SUMITOMO ELECTRIC INDUSTRIES0 citations51
US11220432B2Jan 11, 2022
Method for producing carbon nanostructure and apparatus for producing carbon nanostructure
SUMITOMO ELECTRIC INDUSTRIES0 citations50
US10767282B2Sep 8, 2020
Method for manufacturing carbon nanostructure, and device for manufacturing carbon nanostructure
SUMITOMO ELECTRIC INDUSTRIES0 citations50
US10105683B2Oct 23, 2018
Porous member and catalyst member
SUMITOMO ELECTRIC INDUSTRIES0 citations48
US9493354B2Nov 15, 2016
Carbon nanostructure, and method and apparatus for manufacturing carbon nanostructure
SUMITOMO ELECTRIC INDUSTRIES0 citations48
US9096434B2Aug 4, 2015
Method and apparatus for manufacturing carbon nanostructure, and carbon nanostructure assembly
SUMITOMO ELECTRIC INDUSTRIES0 citations48