Patents by Inventor Meng Dai
Meng Dai has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20260091081Abstract: A formulation of conjugates of tubulysin analogs with a cell-binding molecule having a structure represented by Formula (I), wherein T, L, m, n, , R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, and R13 are as defined herein, can be used for targeted treatment of cancer, autoimmune disease, and infectious disease.Type: ApplicationFiled: October 8, 2025Publication date: April 2, 2026Applicant: HANGZHOU DAC BIOTECH CO., LTDInventors: Robert ZHAO, Qingliang YANG, Yuanyuan HUANG, Shun GAI, Hangbo YE, Linyao ZHAO, Huihui GUO, Lu BAI, Wenjun LI, Junxiang JIA, Zhixiang GUO, Jun ZHENG, Xiaoxiao CHEN, Xiangfei KONG, Chen LIN, Yong DU, Yu ZHANG, Lei ZHOU, Xiuzhen ZHANG, Xiuhong ZHENG, Binbin CHEN, Yanlei YANG, Meng DAI, Yifang XU, Zhongliang FAN, Xiaomai ZHOU, Xingyan JIANG, Miaomiao CHEN, Lingli ZHANG, Yanhua LI
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Patent number: 12576124Abstract: A formulation of conjugates of tubulysin analogs with a cell-binding molecule having a structure represented by Formula (I), wherein T, L, m, n, ----, R1, R2, R3, R4, R1, R6, R7, R1, R9, R10, R11, R12, and R13 are as defined herein, can be used for targeted treatment of cancer, autoimmune disease, and infectious disease.Type: GrantFiled: February 18, 2020Date of Patent: March 17, 2026Assignee: HANGZHOU DAC BIOTECH CO., LTDInventors: Robert Zhao, Qingliang Yang, Yuanyuan Huang, Shun Gai, Hangbo Ye, Linyao Zhao, Huihui Guo, Lu Bai, Wenjun Li, Junxiang Jia, Zhixiang Guo, Jun Zheng, Xiaoxiao Chen, Xiangfei Kong, Chen Lin, Yong Du, Yu Zhang, Lei Zhou, Xiuzhen Zhang, Xiuhong Zheng, Binbin Chen, Yanlei Yang, Meng Dai, Yifang Xu, Zhongliang Fan, Xiaomai Zhou, Xingyan Jiang, Miaomiao Chen, Lingli Zhang, Yanhua Li
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Patent number: 12503658Abstract: A multi-phase combination reaction system has at least one fixed bed hydrogenation reactor. The fixed bed hydrogenation reactor has, arranged from top to bottom, a first hydrogenation reaction area, a gas-liquid separation area, a second hydrogenation reaction area and a third hydrogenation reaction area. The gas-liquid separation area is provided with a raw oil inlet. A hydrogen inlet is provided between the second hydrogenation reaction area and the third hydrogenation reaction area. The system is capable of simultaneously obtaining two fractions in one hydrogenation reactor.Type: GrantFiled: October 22, 2021Date of Patent: December 23, 2025Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, SINOPEC DALIAN RESEARCH INSTITUTE OF PETROLEUM AND PETROCHEMICALS CO., LTD.Inventors: Meng Dai, Shicai Li, Yang Li, Dahai Xu, He Ding, Guang Chen, Han Zhang, Jiawen Zhou
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Publication number: 20230392085Abstract: A multi-phase combination reaction system has at least one fixed bed hydrogenation reactor. The fixed bed hydrogenation reactor has, arranged from top to bottom, a first hydrogenation reaction area, a gas-liquid separation area, a second hydrogenation reaction area and a third hydrogenation reaction area. The gas-liquid separation area is provided with a raw oil inlet. A hydrogen inlet is provided between the second hydrogenation reaction area and the third hydrogenation reaction area. The system is capable of simultaneously obtaining two fractions in one hydrogenation reactor.Type: ApplicationFiled: October 22, 2021Publication date: December 7, 2023Inventors: Meng DAI, Shicai LI, Yang LI, Dahai XU, He DING, Guang CHEN, Han ZHANG, Jiawen ZHOU
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Publication number: 20220249594Abstract: A formulation of conjugates of tubulysin analogs with a cell-binding molecule having a structure represented by Formula (I), wherein T, L, m, n, ----, R1, R2, R3, R4, R1, R6, R7, R1, R9, R10, R11, R12, and R13 are as defined herein, can be used for targeted treatment of cancer, autoimmune disease, and infectious disease.Type: ApplicationFiled: February 18, 2020Publication date: August 11, 2022Applicant: HANGZHOU DAC BIOTECH CO., LTDInventors: Robert ZHAO, Qingliang YANG, Yuanyuan HUANG, Shun GAI, Hangbo YE, Linyao ZHAO, Huihui GUO, Lu BAI, Wenjun LI, Junxiang JIA, Zhixiang GUO, Jun ZHENG, Xiaoxiao CHEN, Xiangfei KONG, Chen LIN, Yong DU, Yu ZHANG, Lei ZHOU, Xiuzhen ZHANG, Xiuhong ZHENG, Binbin CHEN, Yanlei YANG, Meng DAI, Yifang XU, Zhongliang FAN, Xiaomai ZHOU, Xingyan JIANG, Miaomiao CHEN, Lingli ZHANG, Yanhua LI
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Patent number: 9780084Abstract: An electrostatic discharge protection structure includes: substrate of a first type of conductivity, well region of a second type of conductivity, substrate contact region in the substrate and of the first type of conductivity, well contact region in the well region and of the second type of conductivity, substrate counter-doped region between the substrate contact region and the well contact region and of the second type of conductivity, well counter-doped region between the substrate contact region and the well contact region and of the first type of conductivity, communication region at a lateral junction between the substrate and the well region, first isolation region between the substrate counter-doped region and the communication region, second isolation region between the well counter-doped region and the communication region, oxide layer having one end on the first isolation region and another end on the substrate, and field plate structure on the oxide layer.Type: GrantFiled: February 28, 2016Date of Patent: October 3, 2017Assignee: CSMC TECHNOLOGIES FAB1 CO., LTD.Inventors: Yonghai Hu, Meng Dai, Zhongyu Lin, Guangyang Wang
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Patent number: 9520488Abstract: Various embodiments provide SCR ESD protection devices and methods for forming the same. An exemplary device includes a semiconductor substrate having a P-type well region, an N-type well region adjacent to the P-type well region, a first P-type doped region and a first N-type doped region in the P-type well region, and a second N-type doped region and a second P-type doped region in the N-type well region. A first center-doped region and a second center-doped region doped with impurity ions of a same type are located between the first N-type doped region and the second P-type doped region and extend across the P-type well region and the N-type well region. The first center-doped region is located within the second center-doped region, has a doping concentration higher than a doping concentration in the second center-doped region, and has a depth smaller than a depth of the second center-doped region.Type: GrantFiled: July 16, 2014Date of Patent: December 13, 2016Assignee: SEMICONDUCTOR MANUFACTURING INTERNATIONAL (SHANGHAI) CORPORATIONInventor: Meng Dai
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Publication number: 20160181237Abstract: An electrostatic discharge protection structure includes: substrate of a first type of conductivity, well region of a second type of conductivity, substrate contact region in the substrate and of the first type of conductivity, well contact region in the well region and of the second type of conductivity, substrate counter-doped region between the substrate contact region and the well contact region and of the second type of conductivity, well counter-doped region between the substrate contact region and the well contact region and of the first type of conductivity, communication region at a lateral junction between the substrate and the well region, first isolation region between the substrate counter-doped region and the communication region, second isolation region between the well counter-doped region and the communication region, oxide layer having one end on the first isolation region and another end on the substrate, and field plate structure on the oxide layer.Type: ApplicationFiled: February 28, 2016Publication date: June 23, 2016Inventors: Yonghai Hu, Meng Dai, Zhongyu Lin, Guangyang Wang
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Patent number: 9343454Abstract: An electrostatic discharge protection structure includes: substrate of a first type of conductivity, well region of a second type of conductivity, substrate contact region in the substrate and of the first type of conductivity, well contact region in the well region and of the second type of conductivity, substrate counter-doped region between the substrate contact region and the well contact region and of the second type of conductivity, well counter-doped region between the substrate contact region and the well contact region and of the first type of conductivity, communication region at a lateral junction between the substrate and the well region, first isolation region between the substrate counter-doped region and the communication region, second isolation region between the well counter-doped region and the communication region, oxide layer having one end on the first isolation region and another end on the substrate, and field plate structure on the oxide layer.Type: GrantFiled: April 27, 2013Date of Patent: May 17, 2016Assignee: CSMC TECHNOLOGIES FAB1 CO., LTD.Inventors: Yonghai Hu, Meng Dai, Zhongyu Lin, Guangyang Wang
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Patent number: 9202790Abstract: A semiconductor device for electrostatic discharge protection includes a substrate, a first well and a second well formed in the substrate. The first and second wells are formed side by side, meeting at an interface, and have a first conductivity type and a second conductivity type, respectively. A first heavily doped region and a second heavily-doped region are formed in the first well. A third heavily doped region and a fourth heavily-doped region are formed in the second well. The first, second, third, and fourth heavily-doped regions have the first, second, second, and first conductivity types, respectively. Positions of the first and second heavily-doped regions are staggered along a direction parallel to the interface.Type: GrantFiled: October 22, 2012Date of Patent: December 1, 2015Assignee: CSMC TECHNOLOGIES FAB1 CO., LTD.Inventors: Zhongyu Lin, Meng Dai, Yonghai Hu
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Patent number: 9136229Abstract: An electrostatic discharge (ESD) protection device is provided. A proper trigger voltage is determined by providing an ESD doped injection layer into a PNPN structure and adjusting the injection energy and dosage of the ESD doped injection layer; a proper holding voltage is obtained by adjusting the size of the ESD doped injection layer, thus preventing the latch-up. The self-isolation effect of the electrostatic discharge protection device is formed on the basis of an epitaxial wafer high voltage process or a silicon-on-insulator (SOI) wafer high voltage process, the ESD protective device of the present invention can prevent the device from being falsely triggered due to noise interference. Compared with other known ESD protection devices, the device has the same electrostatic protection ability, much smaller area, and much lower cost.Type: GrantFiled: August 9, 2012Date of Patent: September 15, 2015Assignee: CSMC TECHNOLOGIES FABI CO., LTD.Inventor: Meng Dai
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Publication number: 20150187749Abstract: Various embodiments provide SCR ESD protection devices and methods for forming the same. An exemplary device includes a semiconductor substrate having a P-type well region, an N-type well region adjacent to the P-type well region, a first P-type doped region and a first N-type doped region in the P-type well region, and a second N-type doped region and a second P-type doped region in the N-type well region. A first center-doped region and a second center-doped region doped with impurity ions of a same type are located between the first N-type doped region and the second P-type doped region and extend across the P-type well region and the N-type well region. The first center-doped region is located within the second center-doped region, has a doping concentration higher than a doping concentration in the second center-doped region, and has a depth smaller than a depth of the second center-doped region.Type: ApplicationFiled: July 16, 2014Publication date: July 2, 2015Inventor: MENG DAI
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Publication number: 20150162286Abstract: A semiconductor device for electrostatic discharge protection includes a substrate, a first well and a second well formed in the substrate. The first and second wells are formed side by side, meeting at an interface, and have a first conductivity type and a second conductivity type, respectively. A first heavily doped region and a second heavily-doped region are formed in the first well. A third heavily doped region and a fourth heavily-doped region are formed in the second well. The first, second, third, and fourth heavily-doped regions have the first, second, second, and first conductivity types, respectively. Positions of the first and second heavily-doped regions are staggered along a direction parallel to the interface.Type: ApplicationFiled: October 22, 2012Publication date: June 11, 2015Inventors: Zhongyu Lin, Meng Dai, Yonghai Hu
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Patent number: 8890259Abstract: An SCR apparatus includes an SCR structure and a first N injection region. The SCR structure includes a P+ injection region, a P well, an N well and a first N+ injection region, the first N injection region is located under an anode terminal of the P+ injection region of the SCR structure. A method for adjusting a sustaining voltage therefor is provided as well.Type: GrantFiled: December 5, 2011Date of Patent: November 18, 2014Assignees: CSMC Technologies Fab1 Co., Ltd., CSMC Technologies FAB2 Co., Ltd.Inventors: Meng Dai, Zhongyu Lin
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Publication number: 20140151745Abstract: An electrostatic discharge (ESD) protection device is provided. A proper trigger voltage is determined by providing an ESD doped injection layer into a PNPN structure and adjusting the injection energy and dosage of the ESD doped injection layer; a proper holding voltage is obtained by adjusting the size of the ESD doped injection layer, thus preventing the latch-up. The self-isolation effect of the electrostatic discharge protection device is formed on the basis of an epitaxial wafer high voltage process or a silicon-on-insulator (SOI) wafer high voltage process, the ESD protective device of the present invention can prevent the device from being falsely triggered due to noise interference. Compared with other known ESD protection devices, the device has the same electrostatic protection ability, much smaller area, and much lower cost.Type: ApplicationFiled: August 9, 2012Publication date: June 5, 2014Inventor: Meng Dai
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Publication number: 20140138740Abstract: An electrostatic discharge protection structure includes: substrate of a first type of conductivity, well region of a second type of conductivity, substrate contact region in the substrate and of the first type of conductivity, well contact region in the well region and of the second type of conductivity, substrate counter-doped region between the substrate contact region and the well contact region and of the second type of conductivity, well counter-doped region between the substrate contact region and the well contact region and of the first type of conductivity, communication region at a lateral junction between the substrate and the well region, first isolation region between the substrate counter-doped region and the communication region, second isolation region between the well counter-doped region and the communication region, oxide layer having one end on the first isolation region and another end on the substrate, and field plate structure on the oxide layer.Type: ApplicationFiled: April 27, 2013Publication date: May 22, 2014Inventors: Yonghai Hu, Meng Dai, Zhongyu Lin, Guangyang Wang
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Publication number: 20130099278Abstract: An SCR apparatus includes an SCR structure and a first N injection region. The SCR structure includes a P+ injection region, a P well, an N well and a first N+ injection region, the first N injection region is located under an anode terminal of the P+ injection region of the SCR structure. A method for adjusting a sustaining voltage therefor is provided as well.Type: ApplicationFiled: December 5, 2011Publication date: April 25, 2013Inventors: Meng Dai, Zhongyu Lin