Inventor · disambiguated record
Taketsugu Sawamura
Also filed as: SAWAMURA TAKETSUGU
11 granted patents·2 pending applications·42 citations·filing 2014–2025
87Inventor score
Files withFURUKAWA ELECTRIC CO LTD13
Top patents by PatentIndex Score
13 records- 0197US12009636B2Wavelength-variable laserFURUKAWA ELECTRIC CO LTD·Filed 2023·Granted Jun 11, 2024·2 cites·11 claims
- 0296US10020638B2Optical semiconductor device, semiconductor laser module, and optical fiber amplifierFURUKAWA ELECTRIC CO LTD·Filed 2017·Granted Jul 10, 2018·11 cites·6 claims
- 0395US11581706B2Wavelength-variable laserFURUKAWA ELECTRIC CO LTD·Filed 2021·Granted Feb 14, 2023·2 cites·12 claims
- 0495US9601905B2Optical semiconductor device, semiconductor laser module, and optical fiber amplifierFURUKAWA ELECTRIC CO LTD·Filed 2015·Granted Mar 21, 2017·11 cites·2 claims
- 0592US9083150B2Optical semiconductor device, semiconductor laser module, and optical fiber amplifierFURUKAWA ELECTRIC CO LTD·Filed 2014·Granted Jul 14, 2015·10 cites·11 claims
- 0691US10511150B2Wavelength-variable laserFURUKAWA ELECTRIC CO LTD·Filed 2018·Granted Dec 17, 2019·6 cites·6 claims
- 0790US12327983B2Wavelength-variable laserFURUKAWA ELECTRIC CO LTD·Filed 2024·Granted Jun 10, 2025·0 cites·11 claims
- 0885US2025279629A1Wavelength-variable laserFURUKAWA ELECTRIC CO LTD·Filed 2025·Application pending·0 cites
- 0978US11605935B2Wavelength-variable laserFURUKAWA ELECTRIC CO LTD·Filed 2021·Granted Mar 14, 2023·0 cites·6 claims
- 1069US10938183B2Wavelength-variable laserFURUKAWA ELECTRIC CO LTD·Filed 2019·Granted Mar 2, 2021·0 cites·6 claims
- 1168US2025334759A1Optical module and method of manufacturing optical moduleFURUKAWA ELECTRIC CO LTD·Filed 2025·Application pending·0 cites
- 1251US12468096B2Optical device and method for manufacturing optical deviceFURUKAWA ELECTRIC CO LTD·Filed 2022·Granted Nov 11, 2025·0 cites·17 claims
- 1337US9711945B2Method of designing semiconductor laser device, method of designing raman amplifier, methods of manufacturing semiconductor laser device, semiconductor laser device, raman amplifier, and optical communication systemFURUKAWA ELECTRIC CO LTD·Filed 2016·Granted Jul 18, 2017·0 cites·7 claims
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