Kazuyoshi Haga

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Saitama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Dimming agent and light-emitting device containing dimming agent
- Patent number 11,837,685
- Issue date Dec 5, 2023
- Sanken Electric Co., Ltd.
- Yousuke Umetsu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light emitting device
- Patent number 9,368,696
- Issue date Jun 14, 2016
- Sanken Electric Co., Ltd.
- Hitoshi Murofushi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor light emitting device, composite light emitting devic...
- Patent number 8,641,256
- Issue date Feb 4, 2014
- Sanken Electric Co., Ltd.
- Takeshi Sano
- F21 - LIGHTING

Patents Applicationslast 30 patents

Information Patent Application
DIMMING AGENT AND LIGHT-EMITTING DEVICE CONTAINING DIMMING AGENT
- Publication number 20230006111
- Publication date Jan 5, 2023
- Sanken Electric Co., Ltd
- Yousuke UMETSU
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR LIGHT EMITTING DEVICE, COMPOSITE LIGHT EMITTING DEVIC...
- Publication number 20110188266
- Publication date Aug 4, 2011
- Sanken Electric Co., Ltd.
- Takeshi Sano
- F21 - LIGHTING