Inventor · disambiguated record
Yasuaki Nagashima
Also filed as: NAGASHIMA YASUAKI
9 granted patents·2 pending applications·283 citations·filing 1986–2013
90Inventor score
Top patents by PatentIndex Score
11 records- 0188US5754571ATunable wavelength light source apparatus for stabilizing power intensity by using external auto-power controlANRITSU CORP·Filed 1995·Granted May 19, 1998·106 cites·33 claims
- 0287US4780277AMethod and apparatus for subjecting gases to discharge treatmentSHINRYO CORP·Filed 1986·Granted Oct 25, 1988·63 cites·18 claims
- 0384US7483470B2Semiconductor laser capable of coupling with single mode optical fiber at high coupling efficiencyANRITSU CORP·Filed 2005·Granted Jan 27, 2009·10 cites·17 claims
- 0482US6987285B2Semiconductor light emitting device in which high-power light output can be obtained with a simple structure including InGaAsP active layer not less than 3.5 microns and InGaAsP and InP claddingANRITSU CORP·Filed 2003·Granted Jan 17, 2006·21 cites·17 claims
- 0576US5141722ADeodorizing and sterilizing apparatusZEXEL CORP·Filed 1991·Granted Aug 25, 1992·30 cites·4 claims
- 0664US6069697AOptical transmission characteristic measuring apparatus and calibration method using the sameANRITSU CORP·Filed 1998·Granted May 30, 2000·27 cites·11 claims
- 0757US6351479B1Semiconductor laser having effective output increasing functionANRITSU CORP·Filed 1999·Granted Feb 26, 2002·22 cites·9 claims
- 0849US6697407B2Semiconductor laser attaining high efficiency and high power, and method of manufacturing the sameANRITSU CORP·Filed 2002·Granted Feb 24, 2004·4 cites·7 claims
- 0949US2013161516A1Optical pulse tester using light emitting deviceANRITSU CORP·Filed 2013·Application pending·0 cites
- 1040US8401044B2Semiconductor light emitting element, driving method of semiconductor light emitting element, light emitting device, and optical pulse tester using light emitting deviceMORIMOTO SHINTARO·Filed 2011·Granted Mar 19, 2013·0 cites·13 claims
- 1137US2006166386A1Optical semiconductor device and its manufacturing methodYAMADA ATSUSHI·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →