Inventor
YUGE RYOTA
JP39 patents
⚠️ This page may combine multiple inventors who share the name “YUGE RYOTA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NEC CORP
31 patentsUS7410720B2Aug 12, 2008
Fuel cell and method for manufacturing the same
NEC CORP12 citations83
US10971734B2Apr 6, 2021
Planar structural body containing fibrous carbon nanohorn aggregate
NEC CORP2 citations73
US10937598B2Mar 2, 2021
Flexible electrode and sensor element
NEC CORP2 citations73
US10793439B2Oct 6, 2020
Fibrous carbon nanohorn aggregate and method for producing the same
NEC CORP3 citations73
US10703633B2Jul 7, 2020
Nanocarbon composite material and method for manufacturing same
NEC CORP2 citations73
US9843045B2Dec 12, 2017
Negative electrode active material and method for producing the same
NEC CORP4 citations73
US12486173B2Dec 2, 2025
Production method for thin film of aligned carbon nanotube
NEC CORP0 citations62
US11952281B2Apr 9, 2024
Hydrophilic carbon nanohorn aggregate and method for producing the same
NEC CORP0 citations62
US11511998B2Nov 29, 2022
Continuous production method of fibrous carbon nanohorn aggregate
NEC CORP0 citations62
US11498837B2Nov 15, 2022
Method for shortening fibrous carbon nanohorn aggregate and shortened fibrous carbon nanohorn aggregate
NEC CORP0 citations62
US11208329B2Dec 28, 2021
Production member and production apparatus for carbon nanohorn aggregate
NEC CORP0 citations62
US11142457B2Oct 12, 2021
Method for producing carbon nanohorn aggregate
NEC CORP0 citations62
US10813257B2Oct 20, 2020
Electromagnetic wave absorbing material
NEC CORP1 citations62
US10710051B2Jul 14, 2020
Adsorption material
NEC CORP1 citations62
US12356754B2Jul 8, 2025
Infrared sensor using carbon nanotubes and method for manufacturing same
NEC CORP0 citations61
US11650175B2May 16, 2023
Dispersion liquid, preparation method thereof, gas sensor, and method for manufacturing same
NEC CORP0 citations60
US11383984B2Jul 12, 2022
Nanocarbon separation device, nanocarbon separation method, and nanocarbon recovery method
NEC CORP0 citations60
US12055440B2Aug 6, 2024
Bolometer and method for manufacturing same
NEC CORP1 citations58
US12415729B2Sep 16, 2025
Carbon nanotube separation method and separation apparatus
NEC CORP0 citations52
US11485641B2Nov 1, 2022
Production apparatus for carbon nanohorn aggregate
NEC CORP0 citations52
US10326137B2Jun 18, 2019
Negative electrode active material for a lithium ion secondary battery and production method for same, and negative electrode and lithium ion secondary battery
NEC CORP0 citations52
US10038191B2Jul 31, 2018
Carbonous anode material, method for producing the same, and lithium-ion battery containing the anode material
NEC CORP1 citations52
US9972829B2May 15, 2018
Negative electrode carbon material for lithium secondary battery and method for manufacturing the same, and negative electrode for lithium secondary battery, and lithium secondary battery
NEC CORP1 citations52
US9966603B2May 8, 2018
Negative electrode carbon material for lithium secondary battery, negative electrode for lithium secondary battery, and lithium secondary battery
NEC CORP0 citations52
US11981568B2May 14, 2024
Member for continuous production of carbon nanobrush, and method for continuous production of carbon nanobrush
NEC CORP0 citations51
US10637054B2Apr 28, 2020
Positive electrode material for lithium ion secondary batteries, and method for producing same
NEC CORP0 citations50
US12292336B2May 6, 2025
Bolometer having an alignment layer of carbon nanotubes and method for manufacturing same
NEC CORP0 citations49
US11552295B2Jan 10, 2023
Lithium-manganese composite oxide, and method for producing same, and positive electrode material, positive electrode and lithium ion secondary battery using same
NEC CORP0 citations47
US10164250B2Dec 25, 2018
Lithium-iron-manganese-based composite oxide and lithium-ion secondary battery using same
NEC CORP0 citations47
US10847788B2Nov 24, 2020
Lithium-iron-manganese-based composite oxide and lithium-ion secondary battery using same
NEC CORP0 citations46
US10340514B2Jul 2, 2019
Negative electrode for lithium ion secondary battery, and lithium ion secondary battery
NEC CORP0 citations42
YUGE RYOTA
5 patentsUS8202817B2Jun 19, 2012
Nanocarbon aggregate and method for manufacturing the same
YUGE RYOTA17 citations83
US9373846B2Jun 21, 2016
Negative electrode active material and method for producing the same
YUGE RYOTA2 citations61
US8093174B2Jan 10, 2012
Catalyst-supporting carbon nanohorn composite and process for producing same
YUGE RYOTA2 citations61
US8084505B2Dec 27, 2011
Substance-containing carbon nanohorn composite having polyamine plug and process for producing the same
YUGE RYOTA4 citations58
US9399579B2Jul 26, 2016
Substance-encapsulating carbon nanohorn aggregate and process for producing the same
YUGE RYOTA0 citations37