Ryosuke NAKAJIMA

Person

Sagamihara, JP

People

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
Semiconductor optical device and method for manufacturing the same
- Patent number 12,100,929
- Issue date Sep 24, 2024
- Lumentum Japan, Inc.
- Ryosuke Nakajima
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical semiconductor device
- Patent number 12,046,870
- Issue date Jul 23, 2024
- 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 device and method for manufacturing the same
- Patent number 11,817,674
- Issue date Nov 14, 2023
- Lumentum Japan, Inc.
- Ryosuke Nakajima
- 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 DEVICE AND METHOD FOR MANUFACTURING THE SAME
- Publication number 20240072513
- Publication date Feb 29, 2024
- Lumentum Japan, Inc.
- Ryosuke NAKAJIMA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR OPTICAL DEVICE
- Publication number 20230352911
- Publication date Nov 2, 2023
- Lumentum Japan, Inc.
- Kazuki NISHIMURA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL SEMICONDUCTOR DEVICE
- Publication number 20230155347
- Publication date May 18, 2023
- Lumentum Japan, Inc.
- Atsushi NAKAMURA
- H01 - BASIC ELECTRIC ELEMENTS
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 DEVICE AND METHOD FOR MANUFACTURING THE SAME
- Publication number 20210408760
- Publication date Dec 30, 2021
- Lumentum Japan, Inc.
- Ryosuke NAKAJIMA
- 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

Ryosuke NAKAJIMA

Person

Patents Grantslast 30 patents

Semiconductor optical amplifier integrated laser

Semiconductor optical device and method for manufacturing the same

Optical semiconductor device

Optical semiconductor device

Semiconductor optical device and method for manufacturing the same

Semiconductor optical amplifier integrated laser

Patents Applicationslast 30 patents

SEMICONDUCTOR OPTICAL DEVICE AND METHOD FOR MANUFACTURING THE SAME

SEMICONDUCTOR OPTICAL DEVICE

OPTICAL SEMICONDUCTOR DEVICE

SEMICONDUCTOR OPTICAL AMPLIFIER INTEGRATED LASER

OPTICAL SEMICONDUCTOR DEVICE

SEMICONDUCTOR OPTICAL DEVICE AND METHOD FOR MANUFACTURING THE SAME

SEMICONDUCTOR OPTICAL AMPLIFIER INTEGRATED LASER