Kazuaki ARAI

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Kawagoe-shi, Saitama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Light-emitting device
- Patent number 11,940,115
- Issue date Mar 26, 2024
- Pioneer Corporation
- Kazuaki Arai
- F21 - LIGHTING
Information Patent Grant
Light-emitting device
- Patent number 11,781,726
- Issue date Oct 10, 2023
- Pioneer Corporation
- Kazuaki Arai
- F21 - LIGHTING
Information Patent Grant
Light-emitting device
- Patent number 11,486,558
- Issue date Nov 1, 2022
- Pioneer Corporation
- Kazuaki Arai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical device
- Patent number 11,006,489
- Issue date May 11, 2021
- PIONEER CORPORATION
- Kazuaki Arai
- G01 - MEASURING TESTING
Information Patent Grant
Optical device
- Patent number 10,904,963
- Issue date Jan 26, 2021
- Pioneer Corporation
- Kazuaki Arai
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
LIGHT-EMITTING DEVICE
- Publication number 20230408057
- Publication date Dec 21, 2023
- Pioneer Corporation
- Kazuaki ARAI
- F21 - LIGHTING
Information Patent Application
LIGHT-EMITTING DEVICE
- Publication number 20230047270
- Publication date Feb 16, 2023
- Pioneer Corporation
- Kazuaki ARAI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT-EMITTING DEVICE
- Publication number 20210116095
- Publication date Apr 22, 2021
- PIONEER CORPORATION
- Kazuaki ARAI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL DEVICE
- Publication number 20200236751
- Publication date Jul 23, 2020
- PIONEER CORPORATION
- Kazuaki ARAI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL DEVICE
- Publication number 20190394842
- Publication date Dec 26, 2019
- PIONEER CORPORATION
- Kazuaki ARAI
- G02 - OPTICS