Inventor
KOSEKI KAZUYA
JP16 patents
⚠️ This page may combine multiple inventors who share the name “KOSEKI KAZUYA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON CHEMICON
15 patentsUS9589734B2Mar 7, 2017
Solid electrolytic capacitor and manufacturing method thereof
NIPPON CHEMICON14 citations83
US9972445B2May 15, 2018
Electrolytic capacitor and method of manufacturing the same
NIPPON CHEMICON15 citations82
US10854393B2Dec 1, 2020
Electrolytic capacitor and manufacturing method therefor
NIPPON CHEMICON2 citations72
US10566142B2Feb 18, 2020
Solid electrolytic capacitor and method for manufacturing solid electrolytic capacitor
NIPPON CHEMICON5 citations72
US11948755B2Apr 2, 2024
Electrode body, electrolytic capacitor provided with electrode body, and method for producing electrode body
NIPPON CHEMICON2 citations71
US10115529B2Oct 30, 2018
Electrolytic capacitor having a solid electrolyte layer and manufacturing method thereof
NIPPON CHEMICON6 citations71
US12482609B2Nov 25, 2025
Electrolytic capacitor, negative electrode body and method for producing electrolytic capacitor
NIPPON CHEMICON0 citations61
US12437934B2Oct 7, 2025
Capacitor with negative electrode foil including carbon layer
NIPPON CHEMICON0 citations61
US12340954B2Jun 24, 2025
Electrode body, electrolytic capacitor provided with electrode body, and method for producing electrode body
NIPPON CHEMICON0 citations61
US11756740B2Sep 12, 2023
Electrode body, electrolytic capacitor provided with electrode body, and method for producing electrode body
NIPPON CHEMICON0 citations61
US11348738B2May 31, 2022
Electrolytic capacitor and method for manufacturing same
NIPPON CHEMICON0 citations61
US12592347B2Mar 31, 2026
Electrolytic capacitor including an enlarged surface layer and a dielectric oxide film formed on the enlarged surface layer
NIPPON CHEMICON0 citations55
US12009158B2Jun 11, 2024
Solid electrolytic capacitor and method for manufacturing same
NIPPON CHEMICON0 citations50
US11929214B2Mar 12, 2024
Hybrid electrolytic capacitor and method for manufacturing same
NIPPON CHEMICON0 citations50
US12266483B2Apr 1, 2025
Cathode and electrolytic capacitor
NIPPON CHEMICON0 citations47