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NAC IMAGE TECHNOLOGY INCORPORATED
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TOKYO, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Visual function test device, visual function training device, and m...
Patent number
11,464,405
Issue date
Oct 11, 2022
NAC IMAGE TECHNOLOGY INC.
Takuji Higashikawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Eye movement measuring device and eye movement analysis system
Patent number
10,874,357
Issue date
Dec 29, 2020
Tokai Optical Co., Ltd.
Eiji Suzuki
B60 - VEHICLES IN GENERAL
Patents Applications
last 30 patents
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Patent Application
CONTRAST-SENSITIVITY TEST DEVICE, OPTICAL-ELEMENT EVALUATION DEVICE...
Publication number
20240285162
Publication date
Aug 29, 2024
NAC IMAGE TECHNOLOGY INC.
Takuji HIGASHIKAWA
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
VISUAL FUNCTION TEST DEVICE, VISUAL FUNCTION TRAINING DEVICE, AND M...
Publication number
20200100668
Publication date
Apr 2, 2020
NAC IMAGE TECHNOLOGY INC.
Takuji HIGASHIKAWA
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
EYE MOVEMENT MEASURING DEVICE AND EYE MOVEMENT ANALYSIS SYSTEM
Publication number
20190231279
Publication date
Aug 1, 2019
TOKAI OPTICAL CO., LTD.
Eiji Suzuki
B60 - VEHICLES IN GENERAL
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last 30 trademarks