Patents by Inventor Xinghai Wang
Xinghai Wang 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: 20220153767Abstract: The present invention relates to a pharmaceutical crystal of contezolid acefosamil, a preparation method therefor, and uses thereof. The present invention also relates to a crystal or crystal complex of formula I, wherein R is selected from hydrogen, sodium or a mixture thereof in any ratio.Type: ApplicationFiled: September 29, 2019Publication date: May 19, 2022Inventors: Xueliang ZHANG, Xinghai WANG, Jinqian LIU, Mikhail Fedorovich GORDEEV
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Patent number: 10942063Abstract: A device and method for measuring amplitude of a scanning mirror are disclosed. The device includes a light source (20) for outputting an optical signal; a diaphragm (21) for modifying size and shape of a light spot of the optical signal output by the light source (20); a scanning mirror retainer for placing a scanning mirror (22) to be measured, the scanning mirror, after being retained, being able to periodically reflect the optical signal; a photoelectric sensor (23) including three or more sensing elements and configured to detect and collect the optical signal reflected by the scanning mirror (22); and a signal acquisition and processing unit (24) for processing a signal collected by the photoelectric sensor (23) to derive an amplitude of the scanning mirror (22). Therefore, it is possible to characterize the scanning mirror (22) before the scanning mirror (22) is used, determining performance of the scanning mirror (22).Type: GrantFiled: July 27, 2017Date of Patent: March 9, 2021Assignee: SHANGHAI MICRO ELECTRONICS EQUIPMENT (GROUP) CO., LTD.Inventors: Xinghai Wang, Mingbo Yuan, Haijiang Wang
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Publication number: 20190310133Abstract: A device and method for measuring amplitude of a scanning mirror are disclosed. The device includes a light source (20) for outputting an optical signal; a diaphragm (21) for modifying size and shape of a light spot of the optical signal output by the light source (20); a scanning mirror retainer for placing a scanning mirror (22) to be measured, the scanning mirror, after being retained, being able to periodically reflect the optical signal; a photoelectric sensor (23) including three or more sensing elements and configured to detect and collect the optical signal reflected by the scanning mirror (22); and a signal acquisition and processing unit (24) for processing a signal collected by the photoelectric sensor (23) to derive an amplitude of the scanning mirror (22). Therefore, it is possible to characterize the scanning mirror (22) before the scanning mirror (22) is used, determining performance of the scanning mirror (22).Type: ApplicationFiled: July 27, 2017Publication date: October 10, 2019Inventors: Xinghai WANG, Mingbo YUAN, Haijiang WANG
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Patent number: 9771394Abstract: The present invention provides antimicrobial polymyxin compounds of the following formula I: or pharmaceutically acceptable salts, hydrates, or solvates thereof that are antibacterial agents, pharmaceutical compositions containing them, methods for their use, and methods for preparing these compounds.Type: GrantFiled: December 16, 2015Date of Patent: September 26, 2017Assignee: MICURX PHARMACEUTICALS, INC.Inventors: Mikhail Fedorovich Gordeev, Jinqian Liu, Xinghai Wang, Zhengyu Yuan
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Patent number: 9603603Abstract: A surgical cutting blade for cutting bone material when the blade is coupled to a hand-held surgical saw includes a distal portion comprising a plurality of cutting teeth, a shank portion adjacent the distal portion, and a proximal portion adjacent the shank portion. The proximal portion may include a longitudinally extending slot having a proximal opening. The slot may be shaped to receive a portion of the surgical saw through the proximal opening. The proximal portion may have a plurality of deflectable fingers respectively separated from a plurality of main body portions by respective gaps. The plurality of deflectable fingers may extend adjacent the longitudinally extending slot, and may deflect into the gaps to increase and decrease a width of a portion of the slot.Type: GrantFiled: January 19, 2015Date of Patent: March 28, 2017Assignee: Medtronic PS Medical, Inc.Inventors: John Xinghai Wang, Hung Van Bach, Donna J. Burnette, Walter Raymond Blackwell, Weiguo Chen, S. Shane Dexter, Vikram August Garadi, Kevin L. Haney, Joseph William Lopez, R. Mitchell Sherry, Paul Cihak, Durrell Tidwell
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Patent number: 9382276Abstract: The present invention provides certain water-soluble O-carbonyl phosphoramidate prodrugs of the following formula I: or pharmaceutically acceptable salts thereof that are therapeutic or antibacterial agents, pharmaceutical compositions containing them, methods for their use, and reagents and methods for preparing these compounds.Type: GrantFiled: February 20, 2015Date of Patent: July 5, 2016Assignee: MicuRx Pharmaceuticals, Inc.Inventors: Mikhail Fedorovich Gordeev, Jinqian Liu, Xinghai Wang, Zhengyu Yuan
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Publication number: 20150239922Abstract: The present invention provides certain water-soluble O-carbonyl phosphoramidate prodrugs of the following formula I: or pharmaceutically acceptable salts thereof that are therapeutic or antibacterial agents, pharmaceutical compositions containing them, methods for their use, and reagents and methods for preparing these compounds.Type: ApplicationFiled: February 20, 2015Publication date: August 27, 2015Inventors: Mikhail Fedorovich GORDEEV, Jinqian LIU, Xinghai WANG, Zhengyu YUAN
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Patent number: 9090661Abstract: The present invention relates to compounds of formula (I) that are useful as hepatitis C virus (HCV) NS5A inhibitors, the synthesis of such compounds, and the use of such compounds for inhibiting HCV NS5A activity, for treating or preventing HCV infections and for inhibiting HCV viral replication and/or viral production in a cell-based system.Type: GrantFiled: August 29, 2014Date of Patent: July 28, 2015Assignee: Merck Sharp & Dohme Corp.Inventors: Craig A. Coburn, John A. McCauley, Steven W. Ludmerer, Kun Liu, Joseph P. Vacca, Hao Wu, Bin Hu, Richard Soll, Fei Sun, Xinghai Wang, Man Yan, Chengren Zhang, Mingwei Zheng, Bin Zhong, Jian Zhu
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Publication number: 20150128402Abstract: A surgical cutting blade for cutting bone material when the blade is coupled to a hand-held surgical saw includes a distal portion comprising a plurality of cutting teeth, a shank portion adjacent the distal portion, and a proximal portion adjacent the shank portion. The proximal portion may include a longitudinally extending slot having a proximal opening. The slot may be shaped to receive a portion of the surgical saw through the proximal opening. The proximal portion may have a plurality of deflectable fingers respectively separated from a plurality of main body portions by respective gaps. The plurality of deflectable fingers may extend adjacent the longitudinally extending slot, and may deflect into the gaps to increase and decrease a width of a portion of the slot.Type: ApplicationFiled: January 19, 2015Publication date: May 14, 2015Inventors: John Xinghai WANG, Hung Van BACH, Donna J. BURNETTE, Walter Raymond BLACKWELL, Weiguo CHEN, S. Shane DEXTER, Vikram August GARADI, Kevin L. HANEY, Joseph William LOPEZ, R. Mitchell SHERRY, Paul CIHAK, Durrell TIDWELL
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Patent number: 8936597Abstract: A surgical cutting blade for cutting bone material when the blade is coupled to a hand-held surgical saw includes a distal portion comprising a plurality of cutting teeth, a shank portion adjacent the distal portion, and a proximal portion adjacent the shank portion. The proximal portion may include a longitudinally extending slot having a proximal opening. The slot may be shaped to receive a portion of the surgical saw through the proximal opening. The proximal portion may have a plurality of deflectable fingers respectively separated from a plurality of main body portions by respective gaps. The plurality of deflectable fingers may extend adjacent the longitudinally extending slot, and may deflect into the gaps to increase and decrease a width of a portion of the slot.Type: GrantFiled: February 6, 2012Date of Patent: January 20, 2015Assignee: Medtronic PS Medical, Inc.Inventors: John Xinghai Wang, Hung Van Bach, Donna J. Burnette, Walter Raymond Blackwell, Weiguo Chen, S. Shane Dexter, Vikram August Garadi, Kevin L. Haney, Joseph William Lopez, R. Mitchell Sherry, Paul Cihak, Durrell Tidwell
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Publication number: 20140371138Abstract: The present invention relates to compounds of formula (I) that are useful as hepatitis C virus (HCV) NS5A inhibitors, the synthesis of such compounds, and the use of such compounds for inhibiting HCV NS5A activity, for treating or preventing HCV infections and for inhibiting HCV viral replication and/or viral production in a cell-based system.Type: ApplicationFiled: August 29, 2014Publication date: December 18, 2014Applicant: Merck Sharp & Dohme Corp.Inventors: Craig A. Coburn, John A. McCauley, Steven W. Ludmerer, Kun Liu, Joseph P. Vacca, Hao Wu, Bin Hu, Richard Soll, Fei Sun, Xinghai Wang, Man Yan, Chengren Zhang, Mingwei Zheng, Bin Zhong, Jian Zhu
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Patent number: 8530452Abstract: Provided herein are antimicrobial tricyclic boron compounds of the following formula I: or pharmaceutically acceptable salts, complexes, or tautomers thereof that are antibacterial agents, pharmaceutical compositions containing them, methods for their use, and methods for preparing these compounds.Type: GrantFiled: December 20, 2012Date of Patent: September 10, 2013Assignee: MicuRx Pharmaceuticals, Inc.Inventors: Mikhail Fedorovich Gordeev, Jinqian Liu, Zhengyu Yuan, Xinghai Wang
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Publication number: 20130204256Abstract: A surgical cutting blade for cutting bone material when the blade is coupled to a hand-held surgical saw includes a distal portion comprising a plurality of cutting teeth, a shank portion adjacent the distal portion, and a proximal portion adjacent the shank portion. The proximal portion may include a longitudinally extending slot having a proximal opening. The slot may be shaped to receive a portion of the surgical saw through the proximal opening. The proximal portion may have a plurality of deflectable fingers respectively separated from a plurality of main body portions by respective gaps. The plurality of deflectable fingers may extend adjacent the longitudinally extending slot, and may deflect into the gaps to increase and decrease a width of a portion of the slot.Type: ApplicationFiled: February 6, 2012Publication date: August 8, 2013Applicant: Medtronic PS Medical, Inc.Inventors: John Xinghai Wang, Hung Van Bach, Donna J. Burnette, Walter Raymond Blackwell, Weiguo Chen, S. Shane Dexter, Vikram August Garadi, Kevin L. Haney, Joseph William Lopez, R. Mitchell Sherry, Paul Cihak, Durrell Tidwell
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Patent number: 8232270Abstract: The present invention belongs to pharmaceutical field. It relates to a novel family of bivalent (?)-meptazinol compounds and/or their salts, as well as the preparation and utilization of the compounds in the treatment of neurodegenerative disorders and dementias such as Alzheimer's Disease (AD). In the present invention, bivalent (?)-meptazinol compounds were synthesized, from the starting material (?)-meptazinol, successively by N-demethylation forming (?)-nor-meptazinol and then by acylation with ?,?-alkanediacyl dihalides or alkylation with ?,?-dihaloalkanes. Results from in vitro cholinesterase inhibiting test and AChE-induced A? aggregation test demonstrated that the bivalent (?)-meptazinol compounds and/or their salts were novel bivalent inhibitors of both AChE and A? aggregation. The most potent compound inhibited both AChE and BChE at nM level, which was 10000 and 1500 times more potent than (?)-MEP hydrochloride, respectively.Type: GrantFiled: July 24, 2007Date of Patent: July 31, 2012Inventors: Zhuibai Qiu, Qiong Xie, Hongzhuan Chen, Hao Wang, Zheng Xia, Meiyan Lu, Xinghai Wang
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Publication number: 20120083483Abstract: The present invention relates to compounds of formula (I) that are useful as hepatitis C virus (HCV) NS5A inhibitors, the synthesis of such compounds, and the use of such compounds for inhibiting HCV NS5A activity, for treating or preventing HCV infections and for inhibiting HCV viral replication and/or viral production in a cell-based system.Type: ApplicationFiled: March 25, 2010Publication date: April 5, 2012Applicant: Merck Sharp & Dohme CorpInventors: Craig A. Coburn, John A. McCauley, Steven W. Ludmerer, Kun Liu, Joseph P. Vacca, Hao Wu, Bin Hu, Richard Soll, Fei Sun, Xinghai Wang, Man Yan, Chengren Zhang, Mingwei Zheng, Bin Zhong, Jian Zhu
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Patent number: D1023142Type: GrantFiled: June 20, 2023Date of Patent: April 16, 2024Inventors: Weichen Xu, Xinghai Wang