Inventor · disambiguated record
Doukei Nagayasu
Also filed as: NAGAYASU DOUKEI
12 granted patents·3 pending applications·6 citations·filing 2005–2022
82Inventor score
Files withPANASONIC IP MAN CO LTD12MATSUSHITA ELECTRIC INDUSTRIAL CO LTD1NAGAYASU DOUKEI1PANASONIC CORP1
Top patents by PatentIndex Score
15 records- 0177US11904406B2Laser processing head and laser processing system using samePANASONIC IP MAN CO LTD·Filed 2022·Granted Feb 20, 2024·0 cites·4 claims
- 0270US11471973B2Laser processing head and laser processing system using samePANASONIC IP MAN CO LTD·Filed 2020·Granted Oct 18, 2022·0 cites·10 claims
- 0367US9213140B2Fiber component and laser devicePANASONIC CORP·Filed 2014·Granted Dec 15, 2015·2 cites·17 claims
- 0463US7283293B2High efficiency optical amplifying fiberMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted Oct 16, 2007·2 cites·29 claims
- 0560US8665514B2Multi-core optical amplification fiber wound with decreasing radius of curvatureNAGAYASU DOUKEI·Filed 2010·Granted Mar 4, 2014·2 cites·20 claims
- 0655US10955618B2Fiber coupling devicePANASONIC IP MAN CO LTD·Filed 2019·Granted Mar 23, 2021·0 cites·11 claims
- 0754US11565345B2Laser processing device and laser processing methodPANASONIC IP MAN CO LTD·Filed 2019·Granted Jan 31, 2023·0 cites·4 claims
- 0853US2020198053A1Laser processing head, optical fiber inspection device, and optical fiber inspection methodPANASONIC IP MAN CO LTD·Filed 2020·Application pending·0 cites
- 0952US11285564B2Laser processing head and laser processing device using samePANASONIC IP MAN CO LTD·Filed 2017·Granted Mar 29, 2022·0 cites·10 claims
- 1049US11060905B2Laser devicePANASONIC IP MAN CO LTD·Filed 2019·Granted Jul 13, 2021·0 cites·5 claims
- 1149US10751833B2Fiber coupling devicePANASONIC IP MAN CO LTD·Filed 2017·Granted Aug 25, 2020·0 cites·5 claims
- 1248US10732365B2Core adjustment methodPANASONIC IP MAN CO LTD·Filed 2017·Granted Aug 4, 2020·0 cites·4 claims
- 1344US2020215650A1Process fiber and laser processing system in which same is usedPANASONIC IP MAN CO LTD·Filed 2020·Application pending·0 cites
- 1440US11333833B2Alignment methodPANASONIC IP MAN CO LTD·Filed 2017·Granted May 17, 2022·0 cites·5 claims
- 1538US2019064451A1Fiber spatial coupling devicePANASONIC IP MAN CO LTD·Filed 2017·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →