Hiroaki Ootsuka

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Kanazawa Ishikawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Semiconductor light-emitting device and optical coupling device
- Patent number 11,908,972
- Issue date Feb 20, 2024
- Kabushiki Kaisha Toshiba
- Akira Tanaka
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
SEMICONDUCTOR LIGHT-EMITTING DEVICE AND OPTICAL COUPLING DEVICE
- Publication number 20240243222
- Publication date Jul 18, 2024
- Kabushiki Kaisha Toshiba
- Akira Tanaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR LIGHT-EMITTING DEVICE AND PHOTOCOUPLER
- Publication number 20230238483
- Publication date Jul 27, 2023
- Kabushiki Kaisha Toshiba
- Hideto SUGAWARA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR LIGHT-EMITTING DEVICE AND OPTICAL COUPLING DEVICE
- Publication number 20220293817
- Publication date Sep 15, 2022
- Kabushiki Kaisha Toshiba
- Akira Tanaka
- H01 - BASIC ELECTRIC ELEMENTS