Kazuoki Ichikawa

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optics of a display using an optical light guide
- Patent number 11,656,458
- Issue date May 23, 2023
- NTT DoCoMo, Inc.
- Fusao Ishii
- G02 - OPTICS
Information Patent Grant
Image device with a compact homogenizer
- Patent number 11,598,971
- Issue date Mar 7, 2023
- NTT DoCoMo, Inc.
- Fusao Ishii
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Optics Of A Display Using An Optical Light Guide
- Publication number 20210026135
- Publication date Jan 28, 2021
- NTT DoCoMo, Inc.
- Fusao Ishii
- G02 - OPTICS
Information Patent Application
Image device with a compact homogenizer
- Publication number 20200192111
- Publication date Jun 18, 2020
- NTT DoCoMo, Inc.
- Fusao Ishii
- G02 - OPTICS
Information Patent Application
Deflector of projection lens for eye-glass display
- Publication number 20200192103
- Publication date Jun 18, 2020
- NTT DoCoMo, Inc.
- Fusao Ishii
- G02 - OPTICS