Inventor · disambiguated record
Kazufumi Joko
Also filed as: JOKO KAZUFUMI
12 granted patents·3 pending applications·14 citations·filing 2014–2023
84Inventor score
Top patents by PatentIndex Score
15 records- 0187US11882922B2Storage caseSUMITOMO ELECTRIC OPTIFRONTIER CO LTD·Filed 2020·Granted Jan 30, 2024·4 cites·19 claims
- 0269USD983851SOptical fiber fusion splicerSUMITOMO ELECTRIC OPTIFRONTIER CO LTD·Filed 2021·Granted Apr 18, 2023·4 cites·1 claims
- 0369US10126503B2Optical-fiber fusion-splicing deviceSEI OPTIFRONTIER CO LTD·Filed 2014·Granted Nov 13, 2018·2 cites·4 claims
- 0468US10048442B2Reinforcement device for optical-fiber spliced sectionSEI OPTIFRONTIER CO LTD·Filed 2014·Granted Aug 14, 2018·2 cites·10 claims
- 0554US2025208350A1Optical fiber positioning component, and optical fiber fusion splicing machineSUMITOMO ELECTRIC OPTIFRONTIER CO LTD·Filed 2023·Application pending·0 cites
- 0651US10101534B2Optical-fiber fusion-splicing deviceSEI OPTIFRONTIER CO LTD·Filed 2014·Granted Oct 16, 2018·0 cites·3 claims
- 0750US12384598B2Housing case for fusion splicer and fusion splicer setSUMITOMO ELECTRIC OPTIFRONTIER CO LTD·Filed 2021·Granted Aug 12, 2025·0 cites·12 claims
- 0848US2023367069A1Tray for fusion splicing work and fusion splicer setSUMITOMO ELECTRIC OPTIFRONTIER CO LTD·Filed 2021·Application pending·0 cites
- 0946US12197010B2Reinforcement sleeve heating device and fusion splicing machineSUMITOMO ELECTRIC OPTIFRONTIER CO LTD·Filed 2019·Granted Jan 14, 2025·0 cites·7 claims
- 1045US2023038405A1Optical fiber fusion splicer and method for fusion splicing optical fiberSUMITOMO ELECTRIC OPTIFRONTIER CO LTD·Filed 2021·Application pending·0 cites
- 1136USD918016SReinforcement device for the optical fiber fusion splicerSEI OPTIFRONTIER CO LTD·Filed 2018·Granted May 4, 2021·2 cites·1 claims
- 1233USD1105876SOptical fiber cutterSUMITOMO ELECTRIC OPTIFRONTIER CO LTD·Filed 2023·Granted Dec 16, 2025·0 cites·1 claims
- 1331USD1101007SOptical fiber fusion splicerSUMITOMO ELECTRIC OPTIFRONTIER CO LTD·Filed 2022·Granted Nov 4, 2025·0 cites·1 claims
- 1431USD1092581SOptical fiber fusion splicerSUMITOMO ELECTRIC OPTIFRONTIER CO LTD·Filed 2022·Granted Sep 9, 2025·0 cites·1 claims
- 1529USD1073757SFusion splicer working traySUMITOMO ELECTRIC OPTIFRONTIER CO LTD·Filed 2021·Granted May 6, 2025·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →