Keiichi Morita

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Yokohama-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Light reception element and light shielding structure for optical c...
- Patent number 12,068,421
- Issue date Aug 20, 2024
- NTT Electronics Corporation
- Keiichi Morita
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical waveguide and arrayed waveguide grating
- Patent number 10,054,738
- Issue date Aug 21, 2018
- NTT Electronics Corporation
- Keiichi Morita
- G02 - OPTICS
Information Patent Grant
Optical waveguide and arrayed waveguide grating
- Patent number 9,618,694
- Issue date Apr 11, 2017
- NTT Electronics Corporation
- Keiichi Morita
- G02 - OPTICS
Information Patent Grant
Optical waveguide and arrayed waveguide grating
- Patent number 9,075,191
- Issue date Jul 7, 2015
- NTT Electronics Corporation
- Keiichi Morita
- G02 - OPTICS
Information Patent Grant
Microlens array and optical transmission component
- Patent number 9,036,965
- Issue date May 19, 2015
- NTT Electronics Corporation
- Hiroshi Terui
- G02 - OPTICS
Information Patent Grant
Optical waveguide and arrayed waveguide grating
- Patent number 9,020,310
- Issue date Apr 28, 2015
- NTT Electronics Corporation
- Keiichi Morita
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Light Reception Element And Light Shielding Structure For Optical C...
- Publication number 20220399467
- Publication date Dec 15, 2022
- NTT ELECTRONICS CORPORATION
- Keiichi Morita
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL WAVEGUIDE AND ARRAYED WAVEGUIDE GRATING
- Publication number 20170160471
- Publication date Jun 8, 2017
- NTT Electronics Corporation
- Keiichi Morita
- G02 - OPTICS
Information Patent Application
OPTICAL WAVEGUIDE AND ARRAYED WAVEGUIDE GRATING
- Publication number 20130279854
- Publication date Oct 24, 2013
- NTT ELECTRONICS CORPORATION
- Keiichi Morita
- G02 - OPTICS
Information Patent Application
OPTICAL WAVEGUIDE AND ARRAYED WAVEGUIDE GRATING
- Publication number 20130209036
- Publication date Aug 15, 2013
- NIT Electronics Corporation
- Keiichi Morita
- G02 - OPTICS
Information Patent Application
MICROLENS ARRAY AND OPTICAL TRANSMISSION COMPONENT
- Publication number 20130108217
- Publication date May 2, 2013
- Hiroshi Terui
- G02 - OPTICS
Information Patent Application
OPTICAL WAVEGUIDE AND ARRAYED WAVEGUIDE GRATING
- Publication number 20130058608
- Publication date Mar 7, 2013
- NTT ELECTRONICS CORPORATION
- Keiichi Morita
- G02 - OPTICS