Inventor · disambiguated record
Masatsugu Koyama
Also filed as: KOYAMA MASATSUGU
2 granted patents·4 pending applications·1 citations·filing 2014–2025
33Inventor score
Files withCANON KK6
Top patents by PatentIndex Score
6 records- 0179US11624862B2Optical element, spectroscopic apparatus, and method for manufacturing the sameCANON KK·Filed 2018·Granted Apr 11, 2023·1 cites·20 claims
- 0250US2015369977A1Optical element, spectroscopic apparatus, and method for manufacturing the sameCANON KK·Filed 2015·Application pending·0 cites
- 0350US2024418599A1Optical element, optical unit, optical device, method for adjusting optical element, and method for manufacturing optical elementCANON KK·Filed 2024·Application pending·0 cites
- 0449US9557451B2Diffusing plate having microlens arrayCANON KK·Filed 2014·Granted Jan 31, 2017·0 cites·8 claims
- 0545US2023305279A1Optical unit, spectroscopic analyzer, optical device, and method for manufacturing optical unitCANON KK·Filed 2023·Application pending·0 cites
- 0645US2025373774A1Optical member, optical system, and spectroscopic deviceCANON KK·Filed 2025·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →