Jianfeng LI

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Qingdao, CN

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Patents Grantslast 30 patents

Information Patent Grant
Performance-level seismic motion hazard analysis method based on th...
- Patent number 11,215,719
- Issue date Jan 4, 2022
- QINGDAO UNIVERSITY OF TECHNOLOGY
- Wenfeng Liu
- G01 - MEASURING TESTING
Information Patent Grant
Laser light source driving method, laser light source and laser pro...
- Patent number 10,928,717
- Issue date Feb 23, 2021
- HISENSE LASER DISPLAY GO., LTD.
- Rongrong Cui
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Laser light source, method for controlling dual color wheels of lig...
- Patent number 10,260,709
- Issue date Apr 16, 2019
- HISENSE CO., LTD.
- Rongrong Cui
- G02 - OPTICS
Information Patent Grant
Laser light source, method for controlling dual color wheels of lig...
- Patent number 10,234,108
- Issue date Mar 19, 2019
- HISENSE CO., LTD.
- Rongrong Cui
- F21 - LIGHTING
Information Patent Grant
Laser light source, method for controlling dual color wheels of lig...
- Patent number 10,006,610
- Issue date Jun 26, 2018
- HISNESE CO., LTD.
- Rongrong Cui
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Laser light source, method for controlling dual color wheels of lig...
- Patent number 9,832,433
- Issue date Nov 28, 2017
- HISENSE CO., LTD.
- Rongrong Cui
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
PERFORMANCE-LEVEL SEISMIC MOTION HAZARD ANALYSIS METHOD BASED ON TH...
- Publication number 20210302603
- Publication date Sep 30, 2021
- QINGDAO UNIVERSITY OF TECHNOLOGY
- Wenfeng LIU
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
LASER LIGHT SOURCE DRIVING METHOD, LASER LIGHT SOURCE AND LASER PRO...
- Publication number 20200174354
- Publication date Jun 4, 2020
- HISENSE LASER DISPLAY CO., LTD.
- RONGRONG CUI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Laser Light Source, Method For Controlling Dual Color Wheels Of Lig...
- Publication number 20180259158
- Publication date Sep 13, 2018
- HISENSE CO., LTD.
- Rongrong CUI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Laser Light Source, Method For Controlling Dual Color Wheels Of Lig...
- Publication number 20180224089
- Publication date Aug 9, 2018
- HISENSE CO., LTD.
- Rongrong CUI
- F21 - LIGHTING
Information Patent Application
LASER LIGHT SOURCE, METHOD FOR CONTROLLING DUAL COLOR WHEELS OF LIG...
- Publication number 20180051865
- Publication date Feb 22, 2018
- HISENSE CO., LTD.
- Rongrong CUI
- F21 - LIGHTING
Information Patent Application
LASER LIGHT SOURCE, METHOD FOR CONTROLLING DUAL COLOR WHEELS OF LIG...
- Publication number 20160316183
- Publication date Oct 27, 2016
- HISENSE CO., LTD.
- Rongrong CUI
- G02 - OPTICS