Koki Hirasawa

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Otsuki-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Light emitting device and manufacturing method thereof
- Patent number 10,714,460
- Issue date Jul 14, 2020
- Citizen Electronics Co., Ltd.
- Sadato Imai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light emitting device and manufacturing method thereof
- Patent number 10,629,786
- Issue date Apr 21, 2020
- CITIZEN ELECTRONICS CO., LTD.
- Sadato Imai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light-emitting device
- Patent number 10,559,722
- Issue date Feb 11, 2020
- CITIZEN ELECTRONICS CO., LTD.
- Yuji Omori
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light-emitting apparatus
- Patent number 10,267,489
- Issue date Apr 23, 2019
- Citizen Electronics Co., Ltd.
- Yuji Omori
- F21 - LIGHTING
Information Patent Grant
LED package, light emitting device and method for manufacturing LED...
- Patent number 10,158,056
- Issue date Dec 18, 2018
- Citizen Electronics Co., Ltd.
- Sadato Imai
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
LIGHT EMITTING APPARATUS AND METHOD FOR MANUFACTURING SAME
- Publication number 20200357775
- Publication date Nov 12, 2020
- Citzen Electronics Co., Ltd.
- Koki HIRASAWA
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
LIGHT-EMITTING DEVICE
- Publication number 20190140144
- Publication date May 9, 2019
- Citizen Electronics Co., Ltd.
- Yuji OMORI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT EMITTING DEVICE AND MANUFACTURING METHOD THEREOF
- Publication number 20180158998
- Publication date Jun 7, 2018
- Citizen Electronics Co., Ltd.
- Sadato IMAI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT EMITTING DEVICE AND MANUFACTURING METHOD THEREOF
- Publication number 20180138160
- Publication date May 17, 2018
- Citizen Electronics Co., Ltd.
- Sadato Imai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LED PACKAGE, LIGHT EMITTING DEVICE AND METHOD FOR MANUFACTURING LED...
- Publication number 20180123008
- Publication date May 3, 2018
- Citizen Electronics Co., Ltd.
- Sadato Imai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT-EMITTING APPARATUS
- Publication number 20170175980
- Publication date Jun 22, 2017
- Citizen Electronics Co., Ltd.
- Yuji Omori
- F21 - LIGHTING