Inventor · disambiguated record
Kazuaki Kiyota
Also filed as: KIYOTA KAZUAKI
19 granted patents·13 pending applications·30 citations·filing 2008–2025
90Inventor score
Top patents by PatentIndex Score
32 records- 0189US10241267B2Semiconductor optical integrated device including a reduced thickness upper cladding layer in a ridge waveguide portion, and method of manufacturing the sameFURUKAWA ELECTRIC CO LTD·Filed 2017·Granted Mar 26, 2019·4 cites·12 claims
- 0282US7664158B2Two-dimensional photonic crystal surface-emitting laserFURUKAWA ELECTRIC CO LTD·Filed 2008·Granted Feb 16, 2010·7 cites·15 claims
- 0380US7831124B2Photonic crystal optical deviceFURUKAWA ELECTRIC CO LTD·Filed 2008·Granted Nov 9, 2010·6 cites·13 claims
- 0477US2025357725A1Semiconductor optical device and optical integrated deviceFURUKAWA ELECTRIC CO LTD·Filed 2025·Application pending·0 cites
- 0575US2025357722A1Optical integrated device, semiconductor optical device and semiconductor optical device manufacturing methodFURUKAWA ELECTRIC CO LTD·Filed 2025·Application pending·0 cites
- 0675US2025343393A1Optical semiconductor deviceFURUKAWA ELECTRIC CO LTD·Filed 2025·Application pending·0 cites
- 0773US8665919B2Semiconductor laser moduleKIMOTO TATSUYA·Filed 2010·Granted Mar 4, 2014·3 cites·8 claims
- 0872US10923880B2Semiconductor laser device, diffraction grating structure, and diffraction gratingFURUKAWA ELECTRIC CO LTD·Filed 2018·Granted Feb 16, 2021·1 cites·12 claims
- 0970US10534131B2Semiconductor optical integrated device having buried hetero structure waveguide and deep ridge waveguideFURUKAWA ELECTRIC CO LTD·Filed 2019·Granted Jan 14, 2020·0 cites·7 claims
- 1070US9088132B2Semiconductor optical element, integrated semiconductor optical element, and semiconductor optical element moduleFURUKAWA ELECTRIC CO LTD·Filed 2013·Granted Jul 21, 2015·2 cites·9 claims
- 1170US2024380176A1Optical semiconductor element, optical integrated element, and method for manufacturing optical semiconductor elementFURUKAWA ELECTRIC CO LTD·Filed 2024·Application pending·0 cites
- 1269US10811840B2Laser moduleFURUKAWA ELECTRIC CO LTD·Filed 2018·Granted Oct 20, 2020·1 cites·15 claims
- 1368US2024388065A1Optical semiconductor device, optical integrated device, and manufacturing method for optical semiconductor deviceFURUKAWA ELECTRIC CO LTD·Filed 2024·Application pending·0 cites
- 1468US2024380183A1Optical semiconductor device, optical integrated device, and manufacturing method for optical semiconductor deviceFURUKAWA ELECTRIC CO LTD·Filed 2024·Application pending·0 cites
- 1567US11322912B2Semiconductor laser array, semiconductor laser element, semiconductor laser module, and wavelength-variable laser assemblyFURUKAWA ELECTRIC CO LTD·Filed 2016·Granted May 3, 2022·1 cites·11 claims
- 1667US2024396296A1Optical semiconductor device and manufacturing method for optical semiconductor deviceFURUKAWA ELECTRIC CO LTD·Filed 2024·Application pending·0 cites
- 1766US10554013B2Semiconductor laser apparatusFURUKAWA ELECTRIC CO LTD·Filed 2017·Granted Feb 4, 2020·1 cites·13 claims
- 1865US7796846B2Optical integrated device and method of manufacturing the sameFURUKAWA ELECTRIC CO LTD·Filed 2009·Granted Sep 14, 2010·3 cites·6 claims
- 1964US12506328B2Semiconductor optical amplifier array deviceFURUKAWA ELECTRIC CO LTD·Filed 2022·Granted Dec 23, 2025·0 cites·2 claims
- 2063US11281029B2Optical integrated element and optical moduleFURUKAWA ELECTRIC CO LTD·Filed 2020·Granted Mar 22, 2022·0 cites·10 claims
- 2162US9054486B2Optical amplifier deviceFURUKAWA ELECTRIC CO LTD·Filed 2013·Granted Jun 9, 2015·1 cites·7 claims
- 2261US2022376473A1Laser apparatus and control method thereforFURUKAWA ELECTRIC CO LTD·Filed 2022·Application pending·0 cites
- 2359US11909173B2Wavelength-tunable laser and optical moduleFURUKAWA ELECTRIC CO LTD·Filed 2020·Granted Feb 20, 2024·0 cites·17 claims
- 2456US12062886B2Optical functional device and laser deviceFURUKAWA ELECTRIC CO LTD·Filed 2021·Granted Aug 13, 2024·0 cites·6 claims
- 2556US2024340085A1Optical moduleFURUKAWA ELECTRIC CO LTD·Filed 2024·Application pending·0 cites
- 2652US2022385021A1Laser deviceFURUKAWA ELECTRIC CO LTD·Filed 2022·Application pending·0 cites
- 2750US2020203917A1Optical moduleFURUKAWA ELECTRIC CO LTD·Filed 2020·Application pending·0 cites
- 2847US10770863B2Semiconductor laser deviceFURUKAWA ELECTRIC CO LTD·Filed 2019·Granted Sep 8, 2020·0 cites·5 claims
- 2944US10965094B2Wavelength-tunable laser deviceFURUKAWA ELECTRIC CO LTD·Filed 2019·Granted Mar 30, 2021·0 cites·13 claims
- 3040US10320150B2Optical semiconductor apparatusFURUKAWA ELECTRIC CO LTD·Filed 2017·Granted Jun 11, 2019·0 cites·18 claims
- 3139US2011268402A1Semiconductor optical deviceFURUKAWA ELECTRIC CO LTD·Filed 2011·Application pending·0 cites
- 3234US2016336719A1Integrated semiconductor laser device and semiconductor laser moduleFURUKAWA ELECTRIC CO LTD·Filed 2016·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →