Narumi Ishibashi

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Patents Grantslast 30 patents

Information Patent Grant
Electro-optical device, manufacturing method of electro-optical dev...
- Patent number 11,031,441
- Issue date Jun 8, 2021
- Seiko Epson Corporation
- Masanori Iwasaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electro-optical device, manufacturing method of electro-optical dev...
- Patent number 10,714,541
- Issue date Jul 14, 2020
- Seiko Epson Corporation
- Masanori Iwasaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Organic EL device, method of manufacturing organic EL device, and e...
- Patent number 10,090,364
- Issue date Oct 2, 2018
- Seiko Epson Corporation
- Suguru Akagawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Substrate gap adjusting device, substrate gap adjusting method, and...
- Patent number 7,557,898
- Issue date Jul 7, 2009
- Seiko Epson Corporation
- Kazuo Tasaka
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
ELECTRO-OPTICAL DEVICE AND ELECTRONIC DEVICE
- Publication number 20250107284
- Publication date Mar 27, 2025
- SEIKO EPSON CORPORATION
- Yuiga HAMADE
- G02 - OPTICS
Information Patent Application
ELECTRO-OPTICAL DEVICE, MANUFACTURING METHOD OF ELECTRO-OPTICAL DEV...
- Publication number 20200295091
- Publication date Sep 17, 2020
- SEIKO EPSON CORPORATION
- Masanori IWASAKI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTRO-OPTICAL DEVICE, MANUFACTURING METHOD OF ELECTRO-OPTICAL DEV...
- Publication number 20190273122
- Publication date Sep 5, 2019
- SEIKO EPSON CORPORATION
- Masanori IWASAKI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ORGANIC EL DEVICE, METHOD OF MANUFACTURING ORGANIC EL DEVICE, AND E...
- Publication number 20170005144
- Publication date Jan 5, 2017
- SEIKO EPSON CORPORATION
- Suguru AKAGAWA
- G02 - OPTICS
Information Patent Application
Substrate gap adjusting device, substrate gap adjusting method, and...
- Publication number 20060221292
- Publication date Oct 5, 2006
- SEIKO EPSON CORPORATION
- Kazuo Tasaka
- G02 - OPTICS