Daiki TOMINAGA

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Semiconductor optical amplifier, optical output device, and distanc...
- Patent number 11,789,147
- Issue date Oct 17, 2023
- FUJIFILM Business Innovation Corp.
- Junichiro Hayakawa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Semiconductor optical amplifier
- Patent number 11,658,464
- Issue date May 23, 2023
- FUJIFILM Business Innovation Corp.
- Junichiro Hayakawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor optical amplifier, semiconductor optical amplificatio...
- Patent number 11,444,436
- Issue date Sep 13, 2022
- FUJIFILM Business Innovation Corp.
- Junichiro Hayakawa
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
SEMICONDUCTOR OPTICAL AMPLIFIER, OPTICAL OUTPUT DEVICE, AND DISTANC...
- Publication number 20200335939
- Publication date Oct 22, 2020
- FUJI XEROX CO., LTD
- Junichiro HAYAKAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR OPTICAL AMPLIFIER, SEMICONDUCTOR OPTICAL AMPLIFICATIO...
- Publication number 20200280176
- Publication date Sep 3, 2020
- FUJI XEROX CO., LTD
- Junichiro HAYAKAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR OPTICAL AMPLIFIER
- Publication number 20200059070
- Publication date Feb 20, 2020
- FUJI XEROX CO., LTD
- Junichiro HAYAKAWA
- H01 - BASIC ELECTRIC ELEMENTS