Akihito Kamiegawa

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Kagoshima, JP

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Patents Grantslast 30 patents

Information Patent Grant
Light-source drive device and light-emitting device
- Patent number 11,973,314
- Issue date Apr 30, 2024
- SONY SEMICONDUCTOR SOLUTIONS CORPORATION
- Hayato Kamizuru
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Driving device, driving method, and light-emitting unit
- Patent number 11,901,700
- Issue date Feb 13, 2024
- SONY SEMICONDUCTOR SOLUTIONS CORPORATION
- Naoki Masumitsu
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
LIGHT-EMISSION DRIVING DEVICE AND LIGHT-EMITTING DEVICE
- Publication number 20220200237
- Publication date Jun 23, 2022
- Sony Semiconductor Solutions Corporation
- TAKESHI YUWAKI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT-SOURCE DRIVE DEVICE AND LIGHT-EMITTING DEVICE
- Publication number 20210328404
- Publication date Oct 21, 2021
- Sony Semiconductor Solutions Corporation
- HAYATO KAMIZURU
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
DRIVING DEVICE, DRIVING METHOD, AND LIGHT-EMITTING UNIT
- Publication number 20200176951
- Publication date Jun 4, 2020
- Sony Semiconductor Solutions Corporation
- Naoki Masumitsu
- H01 - BASIC ELECTRIC ELEMENTS