Masatoshi ARASAWA

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Semiconductor optical amplifier integrated laser
- Patent number 12,218,480
- Issue date Feb 4, 2025
- Lumentum Japan, Inc.
- Atsushi Nakamura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical semiconductor device
- Patent number 12,027,822
- Issue date Jul 2, 2024
- Lumentum Japan, Inc.
- Atsushi Nakamura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor optical amplifier integrated laser
- Patent number 11,552,448
- Issue date Jan 10, 2023
- Lumentum Japan, Inc.
- Atsushi Nakamura
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
SEMICONDUCTOR OPTICAL AMPLIFIER INTEGRATED LASER
- Publication number 20230155348
- Publication date May 18, 2023
- Lumentum Japan, Inc.
- Atsushi NAKAMURA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL SEMICONDUCTOR DEVICE
- Publication number 20220166193
- Publication date May 26, 2022
- Lumentum Japan, Inc.
- Atsushi NAKAMURA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR OPTICAL AMPLIFIER INTEGRATED LASER
- Publication number 20210234333
- Publication date Jul 29, 2021
- Lumentum Japan, Inc.
- Atsushi NAKAMURA
- H01 - BASIC ELECTRIC ELEMENTS