Inventor · disambiguated record
Keiichi Aiso
Also filed as: AISO KEIICHI
17 granted patents·11 pending applications·111 citations·filing 1998–2025
92Inventor score
Top patents by PatentIndex Score
28 records- 0185US6463201B2Light amplification optical fiber and light amplifier using the sameFURUKAWA ELECTRIC CO LTD·Filed 2001·Granted Oct 8, 2002·25 cites·15 claims
- 0281US6404967B2Optical fiber and optical transmission line using the sameFURUKAWA ELECTRIC CO LTD·Filed 2001·Granted Jun 11, 2002·24 cites·18 claims
- 0379US6903866B2Optical fiber for optical amplifierFURUKAWA ELECTRIC CO LTD·Filed 2002·Granted Jun 7, 2005·13 cites·5 claims
- 0476US9225141B2Multi-core amplification optical fiber and multi-core optical fiber amplifierFURUKAWA ELECTRIC CO LTD·Filed 2014·Granted Dec 29, 2015·3 cites·10 claims
- 0572US7466479B2Optical fiber for optical amplifierFURUKAWA ELECTRIC CO LTD·Filed 2005·Granted Dec 16, 2008·3 cites·4 claims
- 0672US6684018B2Low-dispersion optical fiber and optical transmission system using the low-dispersion optical fiberFURUKAWA ELECTRIC CO LTD·Filed 2001·Granted Jan 27, 2004·13 cites·20 claims
- 0767US11795097B2Method of producing optical fiber preform and optical fiberFURUKAWA ELECTRIC CO LTD·Filed 2020·Granted Oct 24, 2023·0 cites·4 claims
- 0866US2024150227A1Optical fiberFURUKAWA ELECTRIC CO LTD·Filed 2023·Application pending·0 cites
- 0963US10676387B2Method of producing optical fiber preform and optical fiberFURUKAWA ELECTRIC CO LTD·Filed 2017·Granted Jun 9, 2020·0 cites·7 claims
- 1063US2023123319A1Optical amplifying fiber, optical fiber amplifier, and optical communication systemFURUKAWA ELECTRIC CO LTD·Filed 2022·Application pending·0 cites
- 1162US6766089B2Low-dispersion optical fiber and optical transmission system using the low-dispersion optical fiberFURUKAWA ELECTRIC CO LTD·Filed 2003·Granted Jul 20, 2004·7 cites·9 claims
- 1262US2023006410A1Optical amplifying fiber, optical fiber amplifier, and optical communication systemFURUKAWA ELECTRIC CO LTD·Filed 2022·Application pending·0 cites
- 1361US7826701B2Optical fiber and optical waveguideFURUKAWA ELECTRIC CO LTD·Filed 2008·Granted Nov 2, 2010·2 cites·18 claims
- 1460US7079738B2Method for manufacturing a glass doped with a rare earth element and fiber for optical amplification using the sameFURUKAWA ELECTRIC CO LTD·Filed 2004·Granted Jul 18, 2006·2 cites·23 claims
- 1559US2024383796A1Method of manufacturing optical fiber preform and method of manufacturing optical fiberFURUKAWA ELECTRIC CO LTD·Filed 2024·Application pending·0 cites
- 1657US11079537B2Optical fiber and manufacturing method of optical fiberFURUKAWA ELECTRIC CO LTD·Filed 2019·Granted Aug 3, 2021·0 cites·7 claims
- 1757US8233761B2Optical fiber and optical waveguideMIYABE RYO·Filed 2010·Granted Jul 31, 2012·1 cites·14 claims
- 1856US7362939B2Optical fiber for long period grating, long period grating component and manufacturing method of the sameFURUKAWA ELECTRIC CO LTD·Filed 2006·Granted Apr 22, 2008·2 cites·5 claims
- 1955US2024280746A1Optical fiberFURUKAWA ELECTRIC CO LTD·Filed 2024·Application pending·0 cites
- 2055US2025304486A1Optical fiber preform manufacturing method and optical fiber manufacturing methodFURUKAWA ELECTRIC CO LTD·Filed 2025·Application pending·0 cites
- 2154US7206486B2Optical amplification fiber, optical fiber amplifier, and optical communication systemFURUKAWA ELECTRIC CO LTD·Filed 2005·Granted Apr 17, 2007·1 cites·16 claims
- 2251US2023358949A1Optical fiber, optical fiber tape core wire, and optical fiber cableFURUKAWA ELECTRIC CO LTD·Filed 2023·Application pending·0 cites
- 2350US6055353AOptical fiber for optical amplification and optical amplifier using the optical fiberFURUKAWA ELECTRIC CO LTD·Filed 1998·Granted Apr 25, 2000·15 cites·4 claims
- 2447US9783450B2Method of producing glass preform and optical fiberFURUKAWA ELECTRIC CO LTD·Filed 2015·Granted Oct 10, 2017·0 cites·11 claims
- 2544US2013336343A1Optical fiber, optical fiber laser and optical fiber amplifier, and method of manufacturing optical fiberFURUKAWA ELECTRIC CO LTD·Filed 2013·Application pending·0 cites
- 2644US2012301610A1Method of producing glass preform and apparatus for producing the sameAISO KEIICHI·Filed 2012·Application pending·0 cites
- 2739US2002003937A1Light amplifying optical fiberFURUKAWA ELECTRIC CO LTD·Filed 2001·Application pending·0 cites
- 2837US2007216993A1Optical Fiber Laser Using Rare Earth-Added Fiber And Wide Band Light SourceYUICHI TAKUSHIMA·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →