Inventor
KATAYAMA KAZUNORI
JP14 patents
⚠️ This page may combine multiple inventors who share the name “KATAYAMA KAZUNORI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON TELEGRAPH & TELEPHONE
8 patentsUS11422301B2Aug 23, 2022
Optical fiber cable
NIPPON TELEGRAPH & TELEPHONE4 citations70
US11474303B2Oct 18, 2022
Optical connector ferrule, sleeve, and method for manufacturing ferrule member
NIPPON TELEGRAPH & TELEPHONE1 citations61
US12375839B2Jul 29, 2025
Surveillance control device and optical power supply system
NIPPON TELEGRAPH & TELEPHONE0 citations60
US11949220B2Apr 2, 2024
Cable blocks
NIPPON TELEGRAPH & TELEPHONE0 citations60
US11543612B2Jan 3, 2023
Connector plug, connector insertion method, and a connector removal method
NIPPON TELEGRAPH & TELEPHONE0 citations60
US11740414B2Aug 29, 2023
Multifiber optical connector and optical cable connection method
NIPPON TELEGRAPH & TELEPHONE0 citations50
US12314649B2May 27, 2025
Cable route setting method
NIPPON TELEGRAPH & TELEPHONE0 citations49
US11360281B2Jun 14, 2022
Optical fiber cable, and device and method for manufacturing optical fiber cable
NIPPON TELEGRAPH & TELEPHONE0 citations49