Yanjun LI

Person

Beijing, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Proline hydroxylase and uses thereof
- Patent number 11,827,909
- Issue date Nov 28, 2023
- Asymchem Laboratories (Tianjin) Co., Ltd.
- Hao Hong
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Double-layer coiled tubing double-gradient drilling system
- Patent number 11,773,653
- Issue date Oct 3, 2023
- SOUTHWEST PETROLEUM UNIVERSITY
- Guorong Wang
- E21 - EARTH DRILLING MINING
Information Patent Grant
Combined crushing super-variable-diameter drill bit for natural gas...
- Patent number 11,199,050
- Issue date Dec 14, 2021
- Southern Marine Science and Engineering Guangdong Laboratory (Zhanjiang)
- Guorong Wang
- E21 - EARTH DRILLING MINING
Information Patent Grant
Automatic jet breaking tool for solid fluidization exploitation of...
- Patent number 11,193,333
- Issue date Dec 7, 2021
- SOUTHWEST PETROLEUM UNIVERSITY
- Yang Tang
- E21 - EARTH DRILLING MINING
Information Patent Grant
Genetically engineered bacterium used for producing uridine with hi...
- Patent number 11,124,780
- Issue date Sep 21, 2021
- Tianjin University of Science and Technology
- Xixian Xie
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Proline hydroxylase and uses thereof
- Patent number 10,961,516
- Issue date Mar 30, 2021
- Asymchem Laboratories (Tianjin) Co., Ltd.
- Hao Hong
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Water-based drilling fluids for deepwater drilling and use thereof
- Patent number 10,836,947
- Issue date Nov 17, 2020
- Yangtze University
- Mingbiao Xu
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Accelerator used for drilling fluids, water-based drilling fluid an...
- Patent number 10,266,744
- Issue date Apr 23, 2019
- China University of Petroleum (Beijing)
- Guancheng Jiang
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Film former used for coal-bed gas well drilling and preparation met...
- Patent number 10,253,237
- Issue date Apr 9, 2019
- China University of Petroleum (Beijing)
- Guancheng Jiang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Transaminase and uses thereof
- Patent number 10,131,926
- Issue date Nov 20, 2018
- Asymchem Laboratories (Tianjin) Co., Ltd.
- Hao Hong
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...

Patents Applicationslast 30 patents

Information Patent Application
DOUBLE-LAYER COILED TUBING DOUBLE-GRADIENT DRILLING SYSTEM
- Publication number 20230085283
- Publication date Mar 16, 2023
- SOUTHWEST PETROLEUM UNIVERSITY
- Guorong WANG
- E21 - EARTH DRILLING MINING
Information Patent Application
SOLID FLUIDIZATION TUBULAR SEPARATOR FOR MARINE NATURAL GAS HYDRATE
- Publication number 20220349292
- Publication date Nov 3, 2022
- Southern Marine Science and Engineering Guangdong Laboratory (Zhanjiang)
- Yang TANG
- E21 - EARTH DRILLING MINING
Information Patent Application
COMBINED CRUSHING SUPER-VARIABLE-DIAMETER DRILL BIT FOR NATURAL GAS...
- Publication number 20210140244
- Publication date May 13, 2021
- Southern Marine Science and Engineering Guangdong Laboratory (Zhanjiang)
- Guorong WANG
- E21 - EARTH DRILLING MINING
Information Patent Application
AUTOMATIC JET BREAKING TOOL FOR SOLID FLUIDIZATION EXPLOITATION OF...
- Publication number 20210140243
- Publication date May 13, 2021
- SOUTHWEST PETROLEUM UNIVERSITY
- Yang TANG
- E21 - EARTH DRILLING MINING
Information Patent Application
PROLINE HYDROXYLASE AND USES THEREOF
- Publication number 20210095262
- Publication date Apr 1, 2021
- ASYMCHEM LABORATORIES (TIANJIN) CO., LTD
- Hao HONG
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Application
PROLINE HYDROXYLASE AND USES THEREOF
- Publication number 20200199544
- Publication date Jun 25, 2020
- ASYMCHEM LABORATORIES (TIANJIN) CO., LTD.
- Hao HONG
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Application
WATER-BASED DRILLING FLUIDS FOR DEEPWATER DRILLING AND USE THEREOF
- Publication number 20190300772
- Publication date Oct 3, 2019
- Yangtze University
- Mingbiao XU
- E21 - EARTH DRILLING MINING
Information Patent Application
Genetically engineered bacteria used for producing uridine with hig...
- Publication number 20190264185
- Publication date Aug 29, 2019
- TIANJIN UNIVERSITY OF SCIENCE & TECHNOLOGY
- Xixian Xie
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Application
ACCELERATOR USED FOR DRILLING FLUIDS, WATER-BASED DRILLING FLUID AN...
- Publication number 20190085232
- Publication date Mar 21, 2019
- China University of Petroleum (Beijing)
- Guancheng JIANG
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
FILM FORMER USED FOR COAL-BED GAS WELL DRILLING AND PREPARATION MET...
- Publication number 20190085231
- Publication date Mar 21, 2019
- China University of Petroleum (Beijing)
- Guancheng JIANG
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
TRANSAMINASE AND USES THEREOF
- Publication number 20170073713
- Publication date Mar 16, 2017
- ASYMCHEM LABORATORIES (TIANJIN) CO., LTD
- Hao HONG
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Application
OMEGA-TRANSAMINASE OF R CONFIGURATION AND USES THEREOF
- Publication number 20170002338
- Publication date Jan 5, 2017
- ASYMCHEM LABORATORIES (TIANJIN) CO., LTD
- Hao HONG
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...

Person

Patents Grantslast 30 patents

Proline hydroxylase and uses thereof

Double-layer coiled tubing double-gradient drilling system

Combined crushing super-variable-diameter drill bit for natural gas...

Automatic jet breaking tool for solid fluidization exploitation of...

Genetically engineered bacterium used for producing uridine with hi...

Proline hydroxylase and uses thereof

Water-based drilling fluids for deepwater drilling and use thereof

Accelerator used for drilling fluids, water-based drilling fluid an...

Film former used for coal-bed gas well drilling and preparation met...

Transaminase and uses thereof

Patents Applicationslast 30 patents

DOUBLE-LAYER COILED TUBING DOUBLE-GRADIENT DRILLING SYSTEM

SOLID FLUIDIZATION TUBULAR SEPARATOR FOR MARINE NATURAL GAS HYDRATE

COMBINED CRUSHING SUPER-VARIABLE-DIAMETER DRILL BIT FOR NATURAL GAS...

AUTOMATIC JET BREAKING TOOL FOR SOLID FLUIDIZATION EXPLOITATION OF...

PROLINE HYDROXYLASE AND USES THEREOF

PROLINE HYDROXYLASE AND USES THEREOF

WATER-BASED DRILLING FLUIDS FOR DEEPWATER DRILLING AND USE THEREOF

Genetically engineered bacteria used for producing uridine with hig...

ACCELERATOR USED FOR DRILLING FLUIDS, WATER-BASED DRILLING FLUID AN...

FILM FORMER USED FOR COAL-BED GAS WELL DRILLING AND PREPARATION MET...

TRANSAMINASE AND USES THEREOF

OMEGA-TRANSAMINASE OF R CONFIGURATION AND USES THEREOF