Granted as an Utility Patent titled "Data Sharing Control device and system with multiple communication protocol interfaces " Publication No CN203289478U dated 13-11-2013, patent no ZL201320331495.7 ,by State Intellectual Property Office (SIPO), China also cited in Espacenet(European Patent office). 

Granted as an Invention Patent  titled "Data Sharing Control device, system  and method with various types of  communication protocol interfaces " Publication No CN103338189A dated 16-07-2014, patent no ZL201310227193.8  ,by State Intellectual Property Office (SIPO), China also cited in Espacenet(European Patent office). 

Granted as an Invention Patent  titled "Data having plurality of communication protocol of the interface sharing control method  " Publication No CN103338189B dated 16-07-2014, patent no ZL201310227493.8  ,by State Intellectual Property Office (SIPO), China also cited in Espacenet(European Patent office). 

Granted as an Invention Patent titled "IoT based water fertigation system and method thereof " application no 201741041658 dated 21-11-2017, Patent No 536856 ,by Intellectual Property office ,India.

Granted as an Invention Patent titled "Method for constructing K12 education knowledge graph based on DeepDive technology " application no CN201911113450.0   Application date 14-11-2019 & Granted  date 21-11-2023 by State Intellectual Property Office (SIPO), China.

Granted as an Invention Patent titled "Computerized self-adaptive test method based on cognitive diagnosis" application no CN111460128A  dated 14-11-2019 Granted date 12-09-2023, by State Intellectual Property Office (SIPO), China.

Granted as an Invention patent  titled " A teaching platform based on smart classroom" application no CN202110491863.3   Application date 06-05-2021 and  Granted date 26-07-2022,by State Intellectual Property Office (SIPO), China.

Granted as an Invention Patent " A Method of Mathematical Symbol Recognition Based on Contour Technology" application no CN201911113457.2    Application date 14-11-2019 and  Granted date 10-01-2023,by State Intellectual Property Office (SIPO), China.

Granted as an Invention patent  titled " A method of automatically calibrating knowledge points of test questions" application no CN201911113466.1   Application date 14-11-2019 and  Granted date 23-05-2023,by State Intellectual Property Office (SIPO), China.

Filled and Published a  Invention patent  titled " An online update method of test question bank based on automatic De-duplication" application no CN201911114368.X   Application date 14-11-2019 and  Publication date 08-05-2020,by State Intellectual Property Office (SIPO), China.

Filled and published a patent titled "On-line updating method of test question bank based on automatic duplicate removal  " application no CN111125443A  dated 14-11-2019, by State Intellectual Property Office (SIPO), China.

Filled and published a patent titled "Method for automatically calibrating test question knowledge points" application no CN111126051A  dated 14-11-2019, by State Intellectual Property Office (SIPO), China.

Filled and Published a  Invention patent  titled " Hand-held operation terminal based on smart classroom" application no CN201911113457.2    Application date 21-12-2020 and  Publication date 16-04-2021,by State Intellectual Property Office (SIPO), China.

Filled and Published a  Invention patent  titled " A Computerized Adaptive Test Method Based on Cognitive Diagnosis" application no CN201911114411.2  Application date 14-11-2019 and  Publication date 28-07-2020,by State Intellectual Property Office (SIPO), China.

Filled and Published a  Invention patent  titled " A smart classroom teaching aid system" application no CN202110609347.6  Application date 01-06-2021 and  Publication date 06-08-2021,by State Intellectual Property Office (SIPO), China.