Inventor · disambiguated record
Seiji Nogiwa
Also filed as: NOGIWA SEIJI
13 granted patents·4 pending applications·143 citations·filing 1995–2025
89Inventor score
Top patents by PatentIndex Score
17 records- 0191US10340654B2Laser apparatus and extreme ultraviolet light generating systemGIGAPHOTON INC·Filed 2018·Granted Jul 2, 2019·6 cites·12 claims
- 0287US5633750AOptical fiber amplifierANDO ELECTRIC·Filed 1996·Granted May 27, 1997·75 cites·16 claims
- 0370US2024429679A1Laser apparatus, method for controlling wavelength of laser light from laser apparatus, and method for manufacturing electronic devicesGIGAPHOTON INC·Filed 2024·Application pending·0 cites
- 0470US2024429672A1Laser apparatus and method for manufacturing electronic devicesGIGAPHOTON INC·Filed 2024·Application pending·0 cites
- 0567US12512640B2Laser system, pulse laser light generating method, and electronic device manufacturing methodGIGAPHOTON INC·Filed 2024·Granted Dec 30, 2025·0 cites·17 claims
- 0665US2025180933A1Laser device and electronic device manufacturing methodGIGAPHOTON INC·Filed 2025·Application pending·0 cites
- 0763US5548402AOptical sweep signal generatorANDO ELECTRIC·Filed 1995·Granted Aug 20, 1996·28 cites·3 claims
- 0859US11532920B2Laser apparatus, EUV light generating system, and electronic device manufacturing methodGIGAPHOTON INC·Filed 2020·Granted Dec 20, 2022·0 cites·6 claims
- 0956US6323976B1Light source device for frequency division multiplexed optical communicationsANDO ELECTRIC·Filed 2000·Granted Nov 27, 2001·4 cites·8 claims
- 1044US9847618B2Laser apparatusGIGAPHOTON INC·Filed 2016·Granted Dec 19, 2017·0 cites·4 claims
- 1144US6122087AOptical-frequency-stabilized light sourceANDO ELECTRIC·Filed 1998·Granted Sep 19, 2000·14 cites·10 claims
- 1243US5574534AApparatus for determining noise factor of optical amplifierANDO ELECTRIC·Filed 1995·Granted Nov 12, 1996·13 cites·8 claims
- 1342US10483713B2Laser apparatus and measurement unitGIGAPHOTON INC·Filed 2017·Granted Nov 19, 2019·0 cites·4 claims
- 1438US10165665B2Laser apparatus and extreme ultraviolet light generating apparatusGIGAPHOTON INC·Filed 2017·Granted Dec 25, 2018·0 cites·10 claims
- 1538US2005271390A1Optical clock extraction circuitYOKOGAWA ELECTRIC CORP·Filed 2005·Application pending·0 cites
- 1637US9647406B2Laser unit and extreme ultraviolet light generating systemGIGAPHOTON INC·Filed 2016·Granted May 9, 2017·0 cites·18 claims
- 1730US6091526ALight source device for frequency division multiplexed optical communicationsANDO ELECTRIC·Filed 1997·Granted Jul 18, 2000·3 cites·12 claims
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