Masatsugu Koyama

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Yokohama-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical element, spectroscopic apparatus, and method for manufactur...
- Patent number 11,624,862
- Issue date Apr 11, 2023
- Canon Kabushiki Kaisha
- Yukiya Enokida
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Diffusing plate having microlens array
- Patent number 9,557,451
- Issue date Jan 31, 2017
- Canon Kabushiki Kaisha
- Masatsugu Koyama
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL ELEMENT, OPTICAL UNIT, OPTICAL DEVICE, METHOD FOR ADJUSTING...
- Publication number 20240418599
- Publication date Dec 19, 2024
- Canon Kabushiki Kaisha
- MASATSUGU KOYAMA
- G01 - MEASURING TESTING
Information Patent Application
OPTICAL UNIT, SPECTROSCOPIC ANALYZER, OPTICAL DEVICE, AND METHOD FO...
- Publication number 20230305279
- Publication date Sep 28, 2023
- Canon Kabushiki Kaisha
- MASATSUGU KOYAMA
- G01 - MEASURING TESTING
Information Patent Application
OPTICAL ELEMENT, SPECTROSCOPIC APPARATUS, AND METHOD FOR MANUFACTUR...
- Publication number 20190041557
- Publication date Feb 7, 2019
- Canon Kabushiki Kaisha
- Yukiya Enokida
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
OPTICAL ELEMENT, SPECTROSCOPIC APPARATUS, AND METHOD FOR MANUFACTUR...
- Publication number 20150369977
- Publication date Dec 24, 2015
- Canon Kabushiki Kaisha
- Yukiya Enokida
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
DIFFUSING PLATE HAVING MICROLENS ARRAY
- Publication number 20140376095
- Publication date Dec 25, 2014
- Masatsugu Koyama
- G02 - OPTICS