Akira Watanabe

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Fujiyoshida-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Light-emitting device having a recess defined by a base and lateral...
- Patent number 11,581,459
- Issue date Feb 14, 2023
- Nichia Corporation
- Masahiro Sakamoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Manufacturing method of light-emitting device having a recess defin...
- Patent number 11,056,617
- Issue date Jul 6, 2021
- Nichia Corporation
- Masahiro Sakamoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
LED light emitting device
- Patent number 10,020,291
- Issue date Jul 10, 2018
- Citizen Electronics Co., Ltd.
- Toshiyuki Mizuno
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Side-surface light-emitting unit and illuminated panel using the same
- Patent number 7,884,296
- Issue date Feb 8, 2011
- Citizen Electronics Co., Ltd.
- Akira Watanabe
- G02 - OPTICS
Information Patent Grant
Photo reflector including a light-emitting element and a light-rece...
- Patent number 7,858,919
- Issue date Dec 28, 2010
- Citizen Electronics Co., Ltd.
- Kazuo Funakubo
- G01 - MEASURING TESTING
Information Patent Grant
Sheet switch module
- Patent number 7,677,781
- Issue date Mar 16, 2010
- Citizen Electronics Co., Ltd.
- Kazuya Ishihara
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
LIGHT-EMITTING DEVICE HAVING A RECESS DEFINED BY A BASE AND LATERAL...
- Publication number 20210296540
- Publication date Sep 23, 2021
- Nichia Corporation.
- Masahiro Sakamoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT-EMITTING DEVICE AND MANUFACTURING METHOD THEREOF
- Publication number 20200105978
- Publication date Apr 2, 2020
- Nichia Corporation.
- Masahiro Sakamoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LED LIGHT EMITTING DEVICE
- Publication number 20150364451
- Publication date Dec 17, 2015
- Citizen Electronics Co., Ltd.
- Toshiyuki Mizuno
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SIDE-SURFACE LIGHT-EMITTING UNIT AND ILLUMINATED PANEL USING THE SAME
- Publication number 20100133083
- Publication date Jun 3, 2010
- Citizen Electronics Co., Ltd.
- Akira Watanabe
- G02 - OPTICS
Information Patent Application
PHOTO REFLECTOR
- Publication number 20090095881
- Publication date Apr 16, 2009
- Citizen Electronics Co., Ltd.
- Kazuo FUNAKUBO
- G01 - MEASURING TESTING
Information Patent Application
SHEET SWITCH MODULE
- Publication number 20070279932
- Publication date Dec 6, 2007
- Citizen Electronics Co., Ltd.
- Kazuya Ishihara
- H01 - BASIC ELECTRIC ELEMENTS