Inventor
OOKI KAZUYOSHI
JP18 patents
⚠️ This page may combine multiple inventors who share the name “OOKI KAZUYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO ELECTRIC OPTIFRONTIER CO LTD
9 patentsUS11553261B2Jan 10, 2023
Fusion splicing device lock release system
SUMITOMO ELECTRIC OPTIFRONTIER CO LTD2 citations70
US12276841B2Apr 15, 2025
Optical fiber fusion splicing method and fusion splicing device
SUMITOMO ELECTRIC OPTIFRONTIER CO LTD0 citations61
US12181712B2Dec 31, 2024
Fusion splicing device and method for operating fusion splicing device with electrode discharge test, evaluation, and adjustment
SUMITOMO ELECTRIC OPTIFRONTIER CO LTD0 citations60
US12085756B2Sep 10, 2024
Fusion splicing device management system and fusion splicing device management method
SUMITOMO ELECTRIC OPTIFRONTIER CO LTD0 citations60
US12461311B2Nov 4, 2025
Fusion splicing system, fusion splicing device, and deterioration determination method
SUMITOMO ELECTRIC OPTIFRONTIER CO LTD0 citations59
US12578533B2Mar 17, 2026
Fusion splicing device and core position specification method
SUMITOMO ELECTRIC OPTIFRONTIER CO LTD0 citations51
US12546942B2Feb 10, 2026
Fusion splicing device
SUMITOMO ELECTRIC OPTIFRONTIER CO LTD0 citations51
US12032206B2Jul 9, 2024
Fusion splicing device
SUMITOMO ELECTRIC OPTIFRONTIER CO LTD0 citations51
US12586429B2Mar 24, 2026
Fusion splicing system, operation control method for fusion splicer, and server
SUMITOMO ELECTRIC OPTIFRONTIER CO LTD0 citations48
SEI OPTIFRONTIER CO LTD
8 patentsUS11454761B2Sep 27, 2022
Fusion connection device, wireless information terminal, fusion connection system, and fusion connection method
SEI OPTIFRONTIER CO LTD7 citations84
US10825309B2Nov 3, 2020
Theft sensing system for fusion splicer device and fusion splicer device
SEI OPTIFRONTIER CO LTD7 citations82
US11288938B2Mar 29, 2022
Fusion splicing device, theft sensing system of fusion splicing device, and theft sensing method of fusion splicing device
SEI OPTIFRONTIER CO LTD6 citations74
US10989875B2Apr 27, 2021
Theft tracking system and theft tracking method for optical fiber fusion splicing device
SEI OPTIFRONTIER CO LTD4 citations72
US11257335B2Feb 22, 2022
Theft sensing system for fusion splicer device and fusion splicer device
SEI OPTIFRONTIER CO LTD5 citations71
US10901723B2Jan 26, 2021
Management system for fusion splicing device and management method for fusion splicing device
SEI OPTIFRONTIER CO LTD3 citations71
US11768328B2Sep 26, 2023
Fusion connection device, wireless information terminal, fusion connection system, and fusion connection method
SEI OPTIFRONTIER CO LTD0 citations61
US12332627B2Jun 17, 2025
Fusion splicing apparatus management system and fusion splicing apparatus management method
SEI OPTIFRONTIER CO LTD0 citations47