Inventor · disambiguated record
Yoshisada Ebata
Also filed as: EBATA YOSHISADA
13 granted patents·4 pending applications·30 citations·filing 1989–2021
86Inventor score
Top patents by PatentIndex Score
17 records- 0175US9709714B2Curved face diffraction grating fabrication method, curved face diffraction grating cast, and curved face diffraction grating employing sameHITACHI HIGH TECH CORP·Filed 2013·Granted Jul 18, 2017·2 cites·5 claims
- 0268US9945993B2Curved grating, method for manufacturing the same, and optical deviceHITACHI HIGH TECH CORP·Filed 2014·Granted Apr 17, 2018·2 cites·7 claims
- 0354US11366255B2Concave diffraction grating, method for producing the same, and optical deviceHITACHI HIGH TECH CORP·Filed 2019·Granted Jun 21, 2022·0 cites·7 claims
- 0453US11391871B2Manufacturing method of concave diffraction grating, concave diffraction grating, and analyzer using the sameHITACHI HIGH TECH CORP·Filed 2018·Granted Jul 19, 2022·0 cites·12 claims
- 0550US9104118B2Exposure device and method for producing structureHITACHI HIGH TECH CORP·Filed 2012·Granted Aug 11, 2015·0 cites·6 claims
- 0649US12487383B2Concave diffraction grating and optical deviceHITACHI HIGH TECH CORP·Filed 2021·Granted Dec 2, 2025·0 cites·8 claims
- 0747US2021318473A1Method and Device for Manufacturing Concave Diffraction Grating, and Concave Diffraction GratingHITACHI HIGH TECH CORP·Filed 2019·Application pending·0 cites
- 0846US2022034792A1Spectrophotometer, spectrometer, and method of manufacturing spectrophotometerHITACHI HIGH TECH CORP·Filed 2019·Application pending·0 cites
- 0945US5786887AAtomic absorption spectrophotometer and atomic absorption spectrochemical analysisHITACHI LTD·Filed 1996·Granted Jul 28, 1998·13 cites·6 claims
- 1040US5822059AAtomic absorption spectrophotometer and graphite tube type cuvette used for the sameHITACHI LTD·Filed 1996·Granted Oct 13, 1998·8 cites·36 claims
- 1138US12360298B2Diffraction grating, method for manufacturing diffraction grating, and photomaskHITACHI HIGH TECH CORP·Filed 2020·Granted Jul 15, 2025·0 cites·13 claims
- 1235US7050164B2SpectrophotometerHITACHI LTD·Filed 2001·Granted May 23, 2006·1 cites·6 claims
- 1335US2014092384A1Diffraction grating manufacturing method, spectrophotometer, and semiconductor device manufacturing methodEBATA YOSHISADA·Filed 2012·Application pending·0 cites
- 1434US2013222789A1SpectrophotometerMATSUI SHIGERU·Filed 2011·Application pending·0 cites
- 1533US9390934B2Phase shift mask, method of forming asymmetric pattern, method of manufacturing diffraction grating, and method of manufacturing semiconductor deviceKAKUTA KAZUYUKI·Filed 2012·Granted Jul 12, 2016·0 cites·6 claims
- 1629US5801827AAnalysis device using chemical combustion flameHITACHI LTD·Filed 1997·Granted Sep 1, 1998·2 cites·11 claims
- 1728US4981357ASpectrophotometer having functions of both a double-monochromater and a single-monochromaterHITACHI LTD·Filed 1989·Granted Jan 1, 1991·2 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →