Yongji Long

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Line laser module and autonomous mobile device
- Patent number 11,966,233
- Issue date Apr 23, 2024
- BEIJING ROBOROCK TECHNOLOGY CO., LTD.
- Guang Yu
- G05 - CONTROLLING REGULATING
Information Patent Grant
Line laser module and autonomous mobile device
- Patent number 11,940,806
- Issue date Mar 26, 2024
- BEIJING ROBOROCK TECHNOLOGY CO., LTD.
- Guang Yu
- G05 - CONTROLLING REGULATING
Information Patent Grant
Cleaning robot
- Patent number D938116
- Issue date Dec 7, 2021
- BEIJING ROBOROCK TECHNOLOGY CO., LTD.
- Guang Yu
- D32 - Washing, cleaning, or drying machine

Patents Applicationslast 30 patents

Information Patent Application
AUTONOMOUS MOBILE DEVICE
- Publication number 20250028336
- Publication date Jan 23, 2025
- Beijing Roborock Technology Co., Ltd.
- Guang YU
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
LINE LASER MODULE AND AUTONOMOUS MOBILE DEVICE
- Publication number 20240231363
- Publication date Jul 11, 2024
- Beijing Roborock Technology Co., Ltd.
- Guang YU
- G05 - CONTROLLING REGULATING
Information Patent Application
LINE LASER MODULE AND SELF-MOVING DEVICE
- Publication number 20240184304
- Publication date Jun 6, 2024
- Beijing Roborock Technology Co., Ltd.
- Guang YU
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
LINE LASER MODULE AND AUTONOMOUS MOBILE DEVICE
- Publication number 20220390947
- Publication date Dec 8, 2022
- Beijing Roborock Technology Co., Ltd.
- Guang YU
- G05 - CONTROLLING REGULATING
Information Patent Application
LINE LASER MODULE AND AUTONOMOUS MOBILE DEVICE
- Publication number 20220283592
- Publication date Sep 8, 2022
- Beijing Roborock Technology Co., Ltd.
- Guang YU
- G05 - CONTROLLING REGULATING