Inventor · disambiguated record
Takahito Kumazaki
Also filed as: KUMAZAKI TAKAHITO
23 granted patents·13 pending applications·67 citations·filing 2000–2025
93Inventor score
Top patents by PatentIndex Score
36 records- 0195US12111577B2Line narrowing device, electronic device manufacturing methodGIGAPHOTON INC·Filed 2022·Granted Oct 8, 2024·2 cites·20 claims
- 0294US12300962B2Laser device and electronic device manufacturing methodGIGAPHOTON INC·Filed 2023·Granted May 13, 2025·1 cites·20 claims
- 0393US12438333B2Line narrowing gas laser device, wavelength control method, and electronic device manufacturing methodGIGAPHOTON INC·Filed 2022·Granted Oct 7, 2025·1 cites·20 claims
- 0491US7903700B2Narrow-spectrum laser deviceKOMATSU MFG CO LTD·Filed 2005·Granted Mar 8, 2011·17 cites·3 claims
- 0584US7957449B2Two-stage laser system for alignersKOMATSU MFG CO LTD·Filed 2006·Granted Jun 7, 2011·6 cites·17 claims
- 0680US6785319B1Ultraviolet laser deviceKOMATSU MFG CO LTD·Filed 2000·Granted Aug 31, 2004·24 cites·8 claims
- 0778US2025357716A1Gas laser apparatus, laser gas temperature control method, and electronic device manufacturing methodGIGAPHOTON INC·Filed 2025·Application pending·0 cites
- 0875US8817839B2Two-stage laser system for alignersWAKABAYASHI OSAMU·Filed 2012·Granted Aug 26, 2014·2 cites·8 claims
- 0970US7756183B2Line narrowed laser apparatusKOMATSU MFG CO LTD·Filed 2006·Granted Jul 13, 2010·3 cites·12 claims
- 1069US2025246865A1Laser apparatus and electronic device manufacturing methodGIGAPHOTON INC·Filed 2024·Application pending·0 cites
- 1167US9647411B2Method of controlling wavelength of laser beam and laser apparatusGIGAPHOTON INC·Filed 2015·Granted May 9, 2017·1 cites·22 claims
- 1267US2025264642A1Output mirror for ultraviolet laser beam, ultraviolet laser apparatus, and electronic device manufacturing methodGIGAPHOTON INC·Filed 2025·Application pending·0 cites
- 1367US2025264717A1Laser system and electronic device manufacturing methodGIGAPHOTON INC·Filed 2025·Application pending·0 cites
- 1464US8116347B2Two-stage laser system for alignersWAKABAYASHI OSAMU·Filed 2004·Granted Feb 14, 2012·5 cites·34 claims
- 1564US2023155343A1Laser apparatus, wavelength control method, and electronic device manufacturing methodGIGAPHOTON INC·Filed 2023·Application pending·0 cites
- 1663US2025233382A1Laser device and electronic device manufacturing methodGIGAPHOTON INC·Filed 2025·Application pending·0 cites
- 1762US8611393B2Laser apparatusFUJIMOTO JUNICHI·Filed 2012·Granted Dec 17, 2013·1 cites·20 claims
- 1862US2022385022A1Line narrowing gas laser device, control method thereof, and electronic device manufacturing methodGIGAPHOTON INC·Filed 2022·Application pending·0 cites
- 1959US8804780B2Method for adjusting spectral line width of narrow-band laserWAKABAYASHI OSAMU·Filed 2007·Granted Aug 12, 2014·1 cites·19 claims
- 2058US9130338B2Excimer laser and laser deviceGIGAPHOTON INC·Filed 2013·Granted Sep 8, 2015·1 cites·12 claims
- 2155US2014369373A1Two-stage laser system for alignersWAKABAYASHI OSAMU·Filed 2014·Application pending·0 cites
- 2252US2014307244A1Method for adjusting spectrum width of narrow-band laserWAKABAYASHI OSAMU·Filed 2014·Application pending·0 cites
- 2351US2011216800A1Two-stage laser system for alignersKOMATSU MFG CO LTD·Filed 2011·Application pending·0 cites
- 2450US9093814B2Optical device, and laser chamber and gas laser apparatus using the sameGIGAPHOTON INC·Filed 2014·Granted Jul 28, 2015·0 cites·14 claims
- 2548US10741991B2Narrowband laser apparatus and spectral linewidth measuring apparatusGIGAPHOTON INC·Filed 2018·Granted Aug 11, 2020·0 cites·11 claims
- 2648US10283927B2Line narrowed laser apparatusGIGAPHOTON INC·Filed 2018·Granted May 7, 2019·0 cites·20 claims
- 2748US9490603B2Laser apparatus and method of controlling laser apparatusGIGAPHOTON INC·Filed 2015·Granted Nov 8, 2016·0 cites·6 claims
- 2848US6731666B1Laser deviceKOMATSU MFG CO LTD·Filed 2000·Granted May 4, 2004·1 cites·2 claims
- 2947US7006309B2Prism unit and laser deviceGIGAPHOTON INC·Filed 2002·Granted Feb 28, 2006·1 cites·4 claims
- 3046US9147993B2Master oscillator system and laser apparatusFUJIMOTO JUNICHI·Filed 2012·Granted Sep 29, 2015·0 cites·7 claims
- 3145US10615565B2Line narrowed laser apparatusGIGAPHOTON INC·Filed 2017·Granted Apr 7, 2020·0 cites·18 claims
- 3245US9071036B2Laser apparatusGIGAPHOTON INC·Filed 2013·Granted Jun 30, 2015·0 cites·1 claims
- 3344US7170920B2Laser deviceKOMATSU MFG CO LTD·Filed 2004·Granted Jan 30, 2007·0 cites·2 claims
- 3444US2013235893A1Transmissive optical device, laser chamber, amplifier stage laser device, oscillation stage laser device and laser apparatusGIGAPHOTON INC·Filed 2013·Application pending·0 cites
- 3535US2017149199A1Laser deviceGIGAPHOTON INC·Filed 2017·Application pending·0 cites
- 3635US2015380893A1Laser device, and method of controlling actuatorGIGAPHOTON INC·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →