Ziyi ZHANG

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of producing ultraviolet laser diode, and ultraviolet laser...
- Patent number 12,126,141
- Issue date Oct 22, 2024
- Asahi Kasei Kabushiki Kaisha
- Ziyi Zhang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for manufacturing optical device and optical device
- Patent number 11,909,172
- Issue date Feb 20, 2024
- Asahi Kasei Kabushiki Kaisha
- Ziyi Zhang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Nitride semiconductor element, nitride semiconductor light emitting...
- Patent number 11,637,221
- Issue date Apr 25, 2023
- Asahi Kasei Kabushiki Kaisha
- Aya Yokoyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Nitride semiconductor element, nitride semiconductor light emitting...
- Patent number 10,937,928
- Issue date Mar 2, 2021
- Asahi Kasei Kabushiki Kaisha
- Aya Yokoyama
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
LASER DIODE
- Publication number 20220337035
- Publication date Oct 20, 2022
- ASAHI KASEI KABUSHIKI KAISHA
- Ziyi ZHANG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD OF PRODUCING ULTRAVIOLET LASER DIODE, AND ULTRAVIOLET LASER...
- Publication number 20210320477
- Publication date Oct 14, 2021
- Asahi Kasei Kabushiki Kaisha
- Ziyi ZHANG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD FOR MANUFACTURING OPTICAL DEVICE AND OPTICAL DEVICE
- Publication number 20210210924
- Publication date Jul 8, 2021
- Asahi Kasei Kabushiki Kaisha
- Ziyi ZHANG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
NITRIDE SEMICONDUCTOR ELEMENT, NITRIDE SEMICONDUCTOR LIGHT EMITTING...
- Publication number 20210119083
- Publication date Apr 22, 2021
- Asahi Kasei Kabushiki Kaisha
- Aya YOKOYAMA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
NITRIDE SEMICONDUCTOR ELEMENT, NITRIDE SEMICONDUCTOR LIGHT EMITTING...
- Publication number 20190140141
- Publication date May 9, 2019
- Asahi Kasei Kabushiki Kaisha
- Aya YOKOYAMA
- H01 - BASIC ELECTRIC ELEMENTS