Kelvin Ka Sin CHENG

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Setagaya-ku, Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Multi-player interactive system and method of using
- Patent number 11,938,402
- Issue date Mar 26, 2024
- RAKUTEN MOBILE, INC.
- Kelvin Ka Sin Cheng
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Display apparatus, display method, program, and non-transitory comp...
- Patent number 11,334,151
- Issue date May 17, 2022
- Rakuten Group, Inc.
- Masafumi Muta
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Information processing device, information processing method, and i...
- Patent number 11,126,848
- Issue date Sep 21, 2021
- Rakuten Group, Inc.
- Kelvin Ka Sin Cheng
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
DISPLAY CONTROL DEVICE AND DISPLAY CONTROL METHOD
- Publication number 20250035460
- Publication date Jan 30, 2025
- Rakuten Group, Inc.
- Kelvin Ka Sin CHENG
- G01 - MEASURING TESTING
Information Patent Application
IMAGE PROCESSING FOR GENERATING AUGMENTED REALITY IMAGE
- Publication number 20240221321
- Publication date Jul 4, 2024
- Rakuten Mobile, Inc.
- Ryo KUDO
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
MULTI-PLAYER INTERACTIVE SYSTEM AND METHOD OF USING
- Publication number 20220347576
- Publication date Nov 3, 2022
- Rakuten Mobile, Inc.
- Kelvin Ka Sin CHENG
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DISPLAY APPARATUS, DISPLAY METHOD, PROGRAM, AND NON-TRANSITORY COMP...
- Publication number 20210357023
- Publication date Nov 18, 2021
- RAKUTEN, INC
- Masafumi MUTA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD, AND I...
- Publication number 20200184218
- Publication date Jun 11, 2020
- RAKUTEN, INC
- Kelvin Ka Sin CHENG
- G06 - COMPUTING CALCULATING COUNTING