Inventor
SATO RYUICHIRO
JP37 patents
⚠️ This page may combine multiple inventors who share the name “SATO RYUICHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEI OPTIFRONTIER CO LTD
10 patentsUSD720785SJan 6, 2015
Electrode bar for optical fiber fusion splicer
SEI OPTIFRONTIER CO LTD21 citations92
USD759138SJun 14, 2016
Optical fiber fusion splicer
SEI OPTIFRONTIER CO LTD8 citations83
USD746885SJan 5, 2016
Optical fiber fusion splicer
SEI OPTIFRONTIER CO LTD8 citations83
US10921527B2Feb 16, 2021
Optical fiber holder
SEI OPTIFRONTIER CO LTD4 citations73
US11181692B2Nov 23, 2021
Reinforcing apparatus for optical fiber fusion-splicing part and fusion splicer provided with the same
SEI OPTIFRONTIER CO LTD5 citations72
USD837273SJan 1, 2019
Optical fiber fusion splicer
SEI OPTIFRONTIER CO LTD5 citations72
US10054742B2Aug 21, 2018
Optical fiber fusion splicer and optical fiber fusion splicing method
SEI OPTIFRONTIER CO LTD3 citations72
USD792493SJul 18, 2017
Electrode bar for use in an optical fiber fusion splicer
SEI OPTIFRONTIER CO LTD2 citations72
US11435529B2Sep 6, 2022
Optical fiber holder
SEI OPTIFRONTIER CO LTD0 citations62
US11204465B2Dec 21, 2021
Optical fiber holder and fusion-splicing apparatus including optical fiber holder
SEI OPTIFRONTIER CO LTD0 citations52
SUMITOMO ELECTRIC OPTIFRONTIER CO LTD
9 patentsUSD1105874SDec 16, 2025
Optical fiber coating removal tool
SUMITOMO ELECTRIC OPTIFRONTIER CO LTD0 citations61
US12276841B2Apr 15, 2025
Optical fiber fusion splicing method and fusion splicing device
SUMITOMO ELECTRIC OPTIFRONTIER CO LTD0 citations61
USD1101007SNov 4, 2025
Optical fiber fusion splicer
SUMITOMO ELECTRIC OPTIFRONTIER CO LTD0 citations60
USD1092411SSep 9, 2025
Optical fiber alignment member
SUMITOMO ELECTRIC OPTIFRONTIER CO LTD0 citations60
USD1092581SSep 9, 2025
Optical fiber fusion splicer
SUMITOMO ELECTRIC OPTIFRONTIER CO LTD0 citations60
USD1073757SMay 6, 2025
Fusion splicer working tray
SUMITOMO ELECTRIC OPTIFRONTIER CO LTD0 citations59
US11237330B2Feb 1, 2022
Optical fiber alignment jig, optical fiber fusion splicer equipped with optical fiber alignment jig, and method for aligning optical fiber
SUMITOMO ELECTRIC OPTIFRONTIER CO LTD0 citations52
US12384598B2Aug 12, 2025
Housing case for fusion splicer and fusion splicer set
SUMITOMO ELECTRIC OPTIFRONTIER CO LTD0 citations49
US11327230B2May 10, 2022
Optical fiber holder
SUMITOMO ELECTRIC OPTIFRONTIER CO LTD0 citations40
SATO RYUICHIRO
7 patentsUS8861920B2Oct 14, 2014
Optical fiber holder and method for holding coated optical fiber
SATO RYUICHIRO12 citations82
US9235005B2Jan 12, 2016
Method of fusion-splicing optical fibers and fusion splicer
SATO RYUICHIRO5 citations72
US8939660B2Jan 27, 2015
Optical fiber fusion splicer
SATO RYUICHIRO4 citations72
US8254743B2Aug 28, 2012
Optical fiber cable holder, fusion splicer including the holder, and fusion splicing method using the holder
SATO RYUICHIRO6 citations72
US9052487B2Jun 9, 2015
Optical fiber holder
SATO RYUICHIRO2 citations62
US9341777B2May 17, 2016
Optical fiber fusion splicer
SATO RYUICHIRO1 citations51
US9146354B2Sep 29, 2015
Fusion splicer
SATO RYUICHIRO0 citations41
SUMITOMO ELECTRIC INDUSTRIES
6 patentsUSD628462SDec 7, 2010
Optical fiber holder
SUMITOMO ELECTRIC INDUSTRIES18 citations92
US7212718B2May 1, 2007
Apparatus and method for heat-treatment of optical fiber reinforcing member and optical fiber fusion splicing apparatus
SUMITOMO ELECTRIC INDUSTRIES20 citations92
US7412146B2Aug 12, 2008
Splice protection heater, fusion splicer including the splice protection heater, and fusion splicing method
SUMITOMO ELECTRIC INDUSTRIES12 citations84
US7040818B2May 9, 2006
Device and method for reinforcing optical fiber fusion spliced part
SUMITOMO ELECTRIC INDUSTRIES13 citations84
US7292765B2Nov 6, 2007
Optical fiber holding apparatus and optical fiber fusion-splicing apparatus including the same
SUMITOMO ELECTRIC INDUSTRIES8 citations74
US7223029B2May 29, 2007
Optical fiber fusion splicer
SUMITOMO ELECTRIC INDUSTRIES1 citations52