Keita HAMADA

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Organic light-emitting device, display device, electronic apparatus...
- Patent number 12,133,400
- Issue date Oct 29, 2024
- WUHAN TIANMA MICRO-ELECTRONICS CO., LTD.
- Keita Hamada
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Display device
- Patent number 11,557,747
- Issue date Jan 17, 2023
- WUHAN TIANMA MICRO-ELECTRONICS CO., LTD.
- Shigeru Mori
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
OLED display device and manufacturing method thereof
- Patent number 10,840,469
- Issue date Nov 17, 2020
- Xiamen Tianma Micro-Electronics Co., Ltd.
- Keita Hamada
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
ORGANIC LIGHT-EMITTING DEVICE, DISPLAY DEVICE, ELECTRONIC APPARATUS...
- Publication number 20220255031
- Publication date Aug 11, 2022
- SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
- Keita HAMADA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OLED LIGHT-EMITTING DEVICE, DISPLAY DEVICE, ELECTRONIC DEVICE, AND...
- Publication number 20220165807
- Publication date May 26, 2022
- Wuhan Tianma Micro-Electronics Co., Ltd.
- Keita Hamada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ORGANIC LIGHT-EMITTING DEVICE, DISPLAY DEVICE, ELECTRONIC APPARATUS...
- Publication number 20220037607
- Publication date Feb 3, 2022
- Wuhan Tianma Micro-Electronics Co., Ltd.
- Keita HAMADA
- B60 - VEHICLES IN GENERAL
Information Patent Application
DISPLAY DEVICE
- Publication number 20200152915
- Publication date May 14, 2020
- Tianma Japan, Ltd.
- Shigeru MORI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OLED DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF
- Publication number 20190103573
- Publication date Apr 4, 2019
- Tianma Japan Ltd.
- Keita HAMADA
- H01 - BASIC ELECTRIC ELEMENTS