Patents by Inventor Zihao Hua
Zihao Hua 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: 20240120208Abstract: A method for fabricating a spacer includes steps as follows: Firstly, an etch stop structure is provided. The etch stop structure includes a silicon nitride-containing capping layer covering a substrate. Next, an etching process is performed to remove a portion of the silicon nitride-containing capping layer. A wet process is then performed making a sulfide-containing treatment agent to contact the remaining portion of the silicon nitride-containing capping layer.Type: ApplicationFiled: November 9, 2022Publication date: April 11, 2024Inventor: ZIHAO HUA
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Patent number: 11332459Abstract: The present invention relates to inhibitors of Transient Receptor Potential Channel 6 (TRPC6) protein activity. The present invention provides a compound of formula (I) or a pharmaceutically acceptable salt thereof, pharmaceutical compositions comprising a compound of the invention, a method for manufacturing compounds of the invention and therapeutic uses thereof.Type: GrantFiled: October 18, 2018Date of Patent: May 17, 2022Assignee: TEIJIN PHARMA LIMITEDInventors: Michael D. Bartberger, Nagasree Chakka, Hua Gao, Angel Guzman-Perez, Daniel B. Horne, Zihao Hua, Madeleine Kieffer, Daniel C. H. Lin, Benjamin Charles Milgram, Jane Panteleev, Laurie Schenkel, John Stellwagen, Matthew Weiss, Ryan D. White, Wei Zhao
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Publication number: 20200308145Abstract: The present invention relates to inhibitors of Transient Receptor Potential Channel 6 (TRPC6) protein activity. The present invention provides a compound of formula (I) or a pharmaceutically acceptable salt thereof, pharmaceutical compositions comprising a compound of the invention, a method for manufacturing compounds of the invention and therapeutic uses thereof.Type: ApplicationFiled: October 18, 2018Publication date: October 1, 2020Applicant: Amgen Inc.Inventors: Michael D. BARTBERGER, Nagasree CHAKKA, Hua GAO, Angel GUZMAN-PEREZ, Daniel B. HORNE, Zihao HUA, Madeleine KIEFFER, Daniel C. H. Lin, Benjamin Charles MILGRAM, Jane PANTELEEV, Laurie SCHENKEL, John STELLWAGEN, Matthew WEISS, Ryan D. WHITE, Wei ZHAO
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Patent number: 9556135Abstract: The present invention provides a new class of compounds useful for the modulation of beta-secretase enzyme (BACE) activity. The compounds have a general Formula I: wherein variables A4, A5, A6, A8, R1, R2, R3, R7 and n of Formula I, independently, are defined herein. The invention also provides pharmaceutical compositions comprising the compounds, and corresponding uses of the compounds and compositions for treatment of disorders and/or conditions related to A-beta plaque formation and deposition, resulting from the biological activity of BACE. Such BACE mediated disorders include, for example, Alzheimer's Disease, cognitive deficits, cognitive impairments, schizophrenia and other central nervous system conditions. The invention further provides compounds of Formula II and sub-formula embodiments thereof, intermediates and processes and methods useful for the preparation of compounds of Formulas I-II.Type: GrantFiled: October 10, 2013Date of Patent: January 31, 2017Assignee: Amgen, Inc.Inventors: Richard T. Lewis, Jennifer R. Allen, Yuan Cheng, Deborah Choquette, Oleg Epstein, Angel Guzman-Perez, Paul E. Harrington, Zihao Hua, Randall W. Hungate, Jason Brooks Human, Ted Judd, Qingyian Liu, Patricia Lopez, Ana Elena Minatti, Philip Olivieri, Karina Romero, Shannon Rumfelt, Robert M. Rzasa, Laurie Schenkel, John Stellwagen, Ryan White, Qiufen Xue, Xiao Mei Zheng, Wenge Zhong
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Patent number: 9505749Abstract: Compounds of Formula I are useful inhibitors of tankyrase. Compounds of Formula I have the following structure: where the definitions of the variables are provided herein.Type: GrantFiled: August 27, 2013Date of Patent: November 29, 2016Assignee: AMGEN INC.Inventors: Howard Bregman, John L. Buchanan, Nagasree Chakka, Erin F. Dimauro, Hakan Gunaydin, Angel Guzman-Perez, Zihao Hua, Xin Huang
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Patent number: 9365522Abstract: The present invention relates to a novel compound having a function of inhibiting ROR? activity. The present invention also relates to pharmaceutical composition comprising the compound, a use of the compound in treating or preventing autoimmune diseases, inflammatory diseases, metabolic diseases, or cancer diseases.Type: GrantFiled: February 27, 2015Date of Patent: June 14, 2016Assignees: AMGEN INC., TEIJIN PHARMA LIMITEDInventors: Hilary Plake Beck, Shon Keith Booker, Howard Bregman, Victor J. Cee, Nagasree Chakka, Timothy D. Cushing, Oleg Epstein, Brian M. Fox, Stephanie Geuns-Meyer, Xiaolin Hao, Kenta Hibiya, Jun Hirata, Zihao Hua, Jason Human, Shinji Kakuda, Patricia Lopez, Ryota Nakajima, Kazuhisa Okada, Steven H. Olson, Hiroyuki Oono, Lewis D. Pennington, Kosuke Sasaki, Keiko Shimada, Youngsook Shin, Ryan D. White, Ryan P. Wurz, Shuyan Yi, Xiao Mei Zheng
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Patent number: 9340549Abstract: Compounds of Formula (I) and Formula (II) are useful inhibitors of tankyrase. Compounds of Formula (I) and Formula (II) have the following structure: where the definitions of the variables are provided herein.Type: GrantFiled: March 1, 2013Date of Patent: May 17, 2016Assignee: AMGEN INC.Inventors: Howard Bregman, John L. Buchanan, Nagasree Chakka, Erin F. Dimauro, Hakan Gunaydin, Angel Guzman-Perez, Zihao Hua, Hongbing Huang, Xin Huang, Matthew W. Martin, Vinod F. Patel
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Patent number: 9309263Abstract: The present invention provides a new class of compounds useful for the modulation of beta-secretase enzyme (BACE) activity. The compounds have a general Formula I: wherein variables A5, A6, A8, R1, R2, R3, R7, X, Y, n and o of Formula I, independently, are defined herein. The invention also provides pharmaceutical compositions comprising the compounds, and corresponding uses of the compounds and compositions for treatment of disorders and/or conditions related to A-beta plaque formation and deposition, resulting from the biological activity of BACE. Such BACE mediated disorders include, for example, Alzheimer's Disease, cognitive deficits, cognitive impairments, schizophrenia and other central nervous system conditions. The invention further provides compounds of Formula II and sub-formula embodiments thereof, compounds of Formula III, intermediates and processes and methods useful for the preparation of compounds of Formulas I-III, and sub-Formulas thereof.Type: GrantFiled: January 28, 2014Date of Patent: April 12, 2016Assignee: Amgen Inc.Inventors: Ryan White, Jennifer R. Allen, Oleg Epstein, Fang-Tsao Hong, Zihao Hua, Jason Brooks Human, Patricia Lopez, Philip R. Olivieri, Karina Romero, Laurie Schenkel, John Stellwagen, Nuria A. Tamayo, Xiao Mei Zheng
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Publication number: 20150266824Abstract: The present invention relates to a novel compound having a function of inhibiting ROR? activity. The present invention also relates to pharmaceutical composition comprising the compound, a use of the compound in treating or preventing autoimmune diseases, inflammatory diseases, metabolic diseases, or cancer diseases.Type: ApplicationFiled: February 27, 2015Publication date: September 24, 2015Inventors: Hilary Plake Beck, Shon Keith Booker, Howard Bregman, Victor J. Cee, Nagasree Chakka, Timothy D. Cushing, Oleg Epstein, Brian M. Fox, Stephanie Geuns-Meyer, Xiaolin Hao, Kenta Hibiya, Jun Kirata, Zihao Hua, Jason Human, Shinji Kakuda, Patricia Lopez, Ryota Nakajima, Kazuhisa Okada, Steven H. Olson, Hiroyuki Oono, Lewis D. Pennington, Kosuke Sasaki, Keiko Shimada, Youngsook Shin, Ryan D. White, Ryan P. Wurz, Shuyan Yi, Xiao Mei Zheng
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Publication number: 20150259308Abstract: The present invention provides a new class of compounds useful for the modulation of beta-secretase enzyme (BACE) activity. The compounds have a general Formula I: wherein variables A4, A5, A6, A8, R1, R2, R3, R7 and n of Formula I, independently, are defined herein. The invention also provides pharmaceutical compositions comprising the compounds, and corresponding uses of the compounds and compositions for treatment of disorders and/or conditions related to A-beta plaque formation and deposition, resulting from the biological activity of BACE. Such BACE mediated disorders include, for example, Alzheimer's Disease, cognitive deficits, cognitive impairments, schizophrenia and other central nervous system conditions. The invention further provides compounds of Formula II and sub-formula embodiments thereof, intermediates and processes and methods useful for the preparation of compounds of Formulas I-II.Type: ApplicationFiled: October 10, 2013Publication date: September 17, 2015Applicant: AMGEN INC.Inventors: Richard T. Lewis, Jennifer R. Allen, Yuan Cheng, Deborah Choquette, Oleg Epstein, Angel Guzman-Perez, Paul E. Harrington, Zihao Hua, Randall W. Hungate, Jason Brooks Human, Ted Judd, Qingyian Liu, Patricia Lopez, Ana Elena Minatti, Philip Olivieri, Karina Romero, Shannon Rumfelt, Robert M. Rzasa, Laurie Schenkel, John Stellwagen, Ryan White, Qiufen Xue, Xiao Mei Zheng, Wenge Zhong
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Publication number: 20150252059Abstract: The present invention provides a new class of compounds useful for the modulation of beta-secretase enzyme (BACE) activity. The compounds have a general Formula I: wherein variables A4, A5, A6, A8, R1, R2, R3, R7 and n of Formula I, independently, are defined herein. The invention also provides pharmaceutical compositions comprising the compounds, and corresponding uses of the compounds and compositions for treatment of disorders and/or conditions related to A-beta plaque formation and deposition, resulting from the biological activity of BACE. Such BACE mediated disorders include, for example, Alzheimer's Disease, cognitive deficits, cognitive impairments, schizophrenia and other central nervous system conditions. The invention further provides compounds of Formula II and sub-formula embodiments thereof, compounds of Formula III, intermediates and processes and methods useful for the preparation of compounds of Formulas I-III, and sub-Formulas thereof.Type: ApplicationFiled: May 20, 2015Publication date: September 10, 2015Inventors: Richard T. LEWIS, Jennifer R. ALLEN, James BROWN, Angel GUZMAN-PEREZ, Zihao HUA, Ted JUDD, Qingyian LIU, Philip R. OLIVIERI, Karina ROMERO, Laurie SCHENKEL, John STELLWAGEN, Ryan WHITE
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Publication number: 20150225396Abstract: Compounds of Formula I are useful inhibitors of tankyrase. Compounds of Formula I have the following structure: where the definitions of the variables are provided herein.Type: ApplicationFiled: August 27, 2013Publication date: August 13, 2015Inventors: Howard Bregman, John L. Buchanan, Nagasree Chakka, Erin F. Dimauro, Hakan Gunaydin, Angel Guzman-Perez, Zihao Hua, Xin Huang
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Patent number: 9096615Abstract: The present invention provides a new class of compounds useful for the modulation of beta-secretase enzyme (BACE) activity. The compounds have a general Formula I: wherein variables A4, A5, A6, A8, R1, R2, R3, R7 and n of Formula I, independently, are defined herein. The invention also provides pharmaceutical compositions comprising the compounds, and corresponding uses of the compounds and compositions for treatment of disorders and/or conditions related to A-beta plaque formation and deposition, resulting from the biological activity of BACE. Such BACE mediated disorders include, for example, Alzheimer's Disease, cognitive deficits, cognitive impairments, schizophrenia and other central nervous system conditions. The invention further provides compounds of Formula II and sub-formula embodiments thereof, compounds of Formula III, intermediates and processes and methods useful for the preparation of compounds of Formulas I-III, and sub-Formulas thereof.Type: GrantFiled: July 29, 2014Date of Patent: August 4, 2015Assignee: AMGEN INC.Inventors: Richard T. Lewis, Jennifer R. Allen, James Brown, Angel Guzman-Perez, Zihao Hua, Ted Judd, Qingyian Liu, Philip R. Olivieri, Karina Romero, Laurie Schenkel, John Stellwagen, Ryan White
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Publication number: 20150045368Abstract: Compounds of Formula (I) and Formula (II) are useful inhibitors of tankyrase. Compounds of Formula (I) and Formula (II) have the following structure: where the definitions of the variables are provided herein.Type: ApplicationFiled: March 1, 2013Publication date: February 12, 2015Inventors: Howard Bregman, John L. Buchanan, Nagasree Chakka, Erin F. Dimauro, Hakan Gunaydin, Angel Guzman-Perez, Zihao Hua, Hongbing Huang, Xin Huang, Matthew W. Martin, Vinod F. Patel
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Publication number: 20150038497Abstract: The present invention provides a new class of compounds useful for the modulation of beta-secretase enzyme (BACE) activity. The compounds have a general Formula I: wherein variables A4, A5, A6, A8, R1, R2, R3, R7 and n of Formula I, independently, are defined herein. The invention also provides pharmaceutical compositions comprising the compounds, and corresponding uses of the compounds and compositions for treatment of disorders and/or conditions related to A-beta plaque formation and deposition, resulting from the biological activity of BACE. Such BACE mediated disorders include, for example, Alzheimer's Disease, cognitive deficits, cognitive impairments, schizophrenia and other central nervous system conditions. The invention further provides compounds of Formula II and sub-formula embodiments thereof, compounds of Formula III, intermediates and processes and methods useful for the preparation of compounds of Formulas I-III, and sub-Formulas thereof.Type: ApplicationFiled: July 29, 2014Publication date: February 5, 2015Inventors: Richard T. LEWIS, Jennifer R. ALLEN, James BROWN, Angel GUZMAN-PEREZ, Zihao HUA, Ted JUDD, Qingyian LIU, Philip R. OLIVIERI, Karina ROMERO, Laurie SCHENKEL, John STELLWAGEN, Ryan WHITE
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Publication number: 20140336182Abstract: The present invention relates to chemical compounds having a general formula I wherein A1-8, D?, L1, L2, R1, R6-8 and n are defined herein, and synthetic intermediates, which are capable of modulating various protein kinase receptor enzymes and, thereby, influencing various disease states and conditions related to the activities of such kinases. For example, the compounds are capable of modulating Aurora kinase thereby influencing the process of cell cycle and cell proliferation to treat cancer and cancer-related diseases. The invention also includes pharmaceutical compositions, including the compounds, and methods of treating disease states related to the activity of Aurora kinase.Type: ApplicationFiled: May 13, 2013Publication date: November 13, 2014Inventors: Victor J. CEE, Holly L. DEAK, Bingfan DU, Stephanie D. GEUNS-MEYER, Zihao HUA, Matthew W. MARTIN, Isaac MARX, Hanh Nho NGUYEN, Philip R. OLIVIERI, Kathleen PANTER FABER, Karina ROMERO, Laurie SCHENKEL, Ryan WHITE
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Publication number: 20140213581Abstract: The present invention provides a new class of compounds useful for the modulation of beta-secretase enzyme (BACE) activity. The compounds have a general Formula I: wherein variables A5, A6, A8, R1, R2, R3, R7, X, Y, n and o of Formula I, independently, are defined herein. The invention also provides pharmaceutical compositions comprising the compounds, and corresponding uses of the compounds and compositions for treatment of disorders and/or conditions related to A-beta plaque formation and deposition, resulting from the biological activity of BACE. Such BACE mediated disorders include, for example, Alzheimer's Disease, cognitive deficits, cognitive impairments, schizophrenia and other central nervous system conditions. The invention further provides compounds of Formula II and sub-formula embodiments thereof, compounds of Formula III, intermediates and processes and methods useful for the preparation of compounds of Formulas I-III, and sub-Formulas thereof.Type: ApplicationFiled: January 28, 2014Publication date: July 31, 2014Inventors: Ryan WHITE, Jennifer R. ALLEN, Oleg EPSTEIN, Fang-Tsao HONG, Zihao HUA, Jason Brooks HUMAN, Patricia LOPEZ, Philip R. OLIVIERI, Karina ROMERO, Laurie SCHENKEL, John STELLWAGEN, Nuria A. TAMAYO, Xiao Mei ZHENG
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Patent number: 8754192Abstract: The present invention provides isolated homogeneous polyfunctionalized proteins (e.g., erythropoietin), isolated glycopeptides, and a method for preparing polyfunctionalized peptides and/or proteins via cysteine-free native chemical ligation. In certain embodiments, the invention provides an isolated homogeneous polyfunctionalized protein having the structure (I). In certain other embodiments, the invention provides an isolated glycopeptide having Formula (II). In certain other embodiments, the inventive method is a method for preparing a polyfunctionalized peptide comprising a peptidic backbone made up of four or more amino acids, wherein two or more non-adjacent amino acids are independently substituted with a moiety having the structure (III) -LH. wherein A and L1 are as defined herein.Type: GrantFiled: April 11, 2007Date of Patent: June 17, 2014Assignee: Sloan-Kettering Institute for Cancer ResearchInventors: Samuel J. Danishefsky, J. David Warren, Jiehao Chen, Bin Wu, Gong Chen, Qian Wan, Zhongping Tan, Cindy Kan, Yu Yuan, Zihao Hua, Krishnakumar Ranganathan, John D. Trzupek
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Publication number: 20140107109Abstract: The present invention provides a new class of compounds useful for the modulation of beta-secretase enzyme (BACE) activity. The compounds have a general Formula I: wherein variables A4, A5, A6, A8, R1, R2, R3, R7 and n of Formula I, independently, are defined herein. The invention also provides pharmaceutical compositions comprising the compounds, and corresponding uses of the compounds and compositions for treatment of disorders and/or conditions related to A-beta plaque formation and deposition, resulting from the biological activity of BACE. Such BACE mediated disorders include, for example, Alzheimer's Disease, cognitive deficits, cognitive impairments, schizophrenia and other central nervous system conditions. The invention further provides compounds of Formula II and sub-formula embodiments thereof, intermediates and processes and methods useful for the preparation of compounds of Formulas I-II.Type: ApplicationFiled: December 18, 2013Publication date: April 17, 2014Inventors: Richard T. LEWIS, Jennifer R. ALLEN, Yuan CHENG, Deborah CHOQUETTE, Oleg EPSTEIN, Angel GUZMAN-PEREZ, Paul E. HARRINGTON, Zihao HUA, Randall W. HUNGATE, Jason Brooks HUMAN, Ted JUDD, Qingyian LIU, Patricia LOPEZ, Ana Elena MINATTI, Philip OLIVIERI, Karina ROMERO, Shannon RUMFELT, Robert M. RZASA, Laurie SCHENKEL, John STELLWAGEN, Ryan WHITE, Qiufen XUE, Xiao ZHENG, Wenge ZHONG
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Patent number: 8426447Abstract: The present invention comprises a new class of compounds useful for the modulation of Beta-secretase enzyme activity and for the treatment of Beta-secretase mediated diseases, including Alzheimer's disease (AD) and related conditions. In one embodiment, the compounds have a general Formula I wherein A1, A2, A3, A4, A5, A6, T1, T2, W, X, Y and Z of Formula I are defined herein. The invention also includes use of these compounds in pharmaceutical compositions for treatment, prophylactic or therapeutic, of disorders and conditions related to the activity of beta-secretase protein. Such disorders include, for example, Alzheimer's Disease, cognitive deficits, cognitive impairment, schizophrenia and other central nervous system conditions related to and/or caused by the formation and/or deposition of plaque on the brain. The invention also comprises further embodiments of Formula I, intermediates and processes useful for the preparation of compounds of Formula I.Type: GrantFiled: September 11, 2009Date of Patent: April 23, 2013Assignee: Amgen Inc.Inventors: Ryan White, Albert Amegadzie, Marian C. Bryan, Jian Jeffrey Chen, Alan C. Cheng, Thomas Dineen, Oleg Epstein, Vijay Keshav Gore, Zihao Hua, Jason Brooks Human, Hongbing Huang, Charles Kreiman, Daniel La, Qingyian Liu, Vu Van Ma, Isaac Marx, Vinod F Patel, Wenyuan Qian, Matthew Weiss, Chester Chenguang Yuan