Patents by Inventor Hanna Cho

Hanna Cho 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).

  • Patent number: 12076322
    Abstract: Compounds active on protein kinases are described, as well as methods of making and using such compounds to treat diseases and conditions associated with aberrant activity of protein kinases.
    Type: Grant
    Filed: August 25, 2022
    Date of Patent: September 3, 2024
    Assignee: Plexxikon Inc.
    Inventors: Prabha N. Ibrahim, Chao Zhang, Wayne Spevak, Jiazhong Zhang, Guoxian Wu, Jack Lin, Hanna Cho, Marika Nespi, Songyuan Shi, Todd Ewing, Ying Zhang
  • Publication number: 20230277534
    Abstract: Compounds active on protein kinases are described, as well as methods of making and using such compounds to treat diseases and conditions associated with aberrant activity of protein kinases.
    Type: Application
    Filed: August 25, 2022
    Publication date: September 7, 2023
    Inventors: Prabha N. Ibrahim, Chao Zhang, Wayne Spevak, Jiazhong Zhang, Guoxian Wu, Jack Lin, Hanna Cho, Marika Nespi, Songyuan Shi, Todd Ewing, Ying Zhang
  • Patent number: 11337976
    Abstract: Compounds active on protein kinases are described, as well as methods of making and using such compounds to treat diseases and conditions associated with aberrant activity of protein kinases.
    Type: Grant
    Filed: February 17, 2017
    Date of Patent: May 24, 2022
    Assignee: Plexxikon Inc.
    Inventors: Prabha N. Ibrahim, Chao Zhang, Wayne Spevak, Jiazhong Zhang, Guoxian Wu, Jack Lin, Hanna Cho, Marika Nespi, Songyuan Shi, Todd Ewing, Ying Zhang
  • Patent number: 10656175
    Abstract: A cantilever system for use in an atomic force microscope (AFM) is disclosed. The cantilever system comprises a base cantilever portion and a paddle connected to the base cantilever portion with one end free to move relative to the base cantilever portion. The base cantilever portion has an effective bending stiffness, k1, and the paddle has an effective bending stiffness, k2. The ratio of the effective bending stiffness, k1, to the bending stiffness, k2, is at least greater than 4. Such a cantilever system provides a stable, i.e., invariant contact resonant frequency, independent of the changes in the local contact stiffness.
    Type: Grant
    Filed: February 14, 2018
    Date of Patent: May 19, 2020
    Assignees: Ohio State Innovation Foundation, The Board of Trustees of the University of Illinois
    Inventors: Sajith M. Dharmasena, Seok Kim, Lawrence A. Bergman, Alexander F. Vakakis, Hanna Cho
  • Publication number: 20190135765
    Abstract: The present invention relates to a novel pyrimidine-4-carboxylic acid derivative having an anticancer activity, and the compound of the present invention is useful as a drug for treating and preventing tumor diseases.
    Type: Application
    Filed: March 30, 2017
    Publication date: May 9, 2019
    Inventors: Tae Bo SIM, Woo Young HUR, Ho Jong YOON, Chi Man SONG, In Jae SHUN, Byeong Yun LIM, HanNa CHO, Seung Hye CHOI, Gu KONG, Jeong Yeon LEE
  • Publication number: 20180231581
    Abstract: A cantilever system for use in an atomic force microscope (AFM) is disclosed. The cantilever system comprises a base cantilever portion and a paddle connected to the base cantilever portion with one end free to move relative to the base cantilever portion. The base cantilever portion has an effective bending stiffness, k1, and the paddle has an effective bending stiffness, k2. The ratio of the effective bending stiffness, k1, to the bending stiffness, k2, is at least greater than 4. Such a cantilever system provides a stable, i.e., invariant contact resonant frequency, independent of the changes in the local contact stiffness.
    Type: Application
    Filed: February 14, 2018
    Publication date: August 16, 2018
    Inventors: Sajith M. Dharmasena, Seok Kim, Lawrence A. Bergman, Alexander F. Vakakis, Hanna Cho
  • Publication number: 20180111929
    Abstract: Compounds active on protein kinases are described, as well as methods of using such compounds to treat diseases and conditions associated with aberrant activity of protein kinases.
    Type: Application
    Filed: May 25, 2017
    Publication date: April 26, 2018
    Inventors: Prabha N. Ibrahim, Dean R. Artis, Ryan Bremer, Gaston Habets, Shumeye Mamo, Marika Nespi, Chao Zhang, Jiazhong Zhang, Yong-Liang Zhu, Rebecca Zuckerman, Brian West, Yoshisa Suzuki, James Tsai, Klaus-Peter Hirth, Gideon Bollag, Wayne Spevak, Hanna Cho, Samuel J. Gillette, Guoxian Wu, Hongyao Zhu, Shenghua Shi
  • Patent number: 9814714
    Abstract: The present disclosure provides methods of treating a subject suffering from or at risk of a BRAF V600 mutation or BRAF fusion mutation related disease or condition, without activating the MAPK pathway or inducing expression of MAPK pathway genes in cells harboring wild-type BRAF.
    Type: Grant
    Filed: May 20, 2016
    Date of Patent: November 14, 2017
    Assignee: Plexxikon Inc.
    Inventors: Prabha N. Ibrahim, Chao Zhang, Wayne Spevak, Jiazhong Zhang, Guoxian Wu, Jack Lin, Hanna Cho, Marika Nespi, Songyuan Shi, Todd Ewing, Ying Zhang, Gideon Bollag
  • Publication number: 20170157120
    Abstract: Compounds active on protein kinases are described, as well as methods of making and using such compounds to treat diseases and conditions associated with aberrant activity of protein kinases.
    Type: Application
    Filed: February 17, 2017
    Publication date: June 8, 2017
    Applicant: Plexxikon Inc.
    Inventors: Prabha N. Ibrahim, Chao Zhang, Wayne Spevak, Jiazhong Zhang, Guoxian Wu, Jack Lin, Hanna Cho, Marika Nespi, Songyuan Shi, Todd Ewing, Ying Zhang
  • Patent number: 9624213
    Abstract: Compounds active on protein kinases are described, as well as methods of making and using such compounds to treat diseases and conditions associated with aberrant activity of protein kinases.
    Type: Grant
    Filed: February 1, 2012
    Date of Patent: April 18, 2017
    Assignee: Plexxikon Inc.
    Inventors: Prabha Ibrahim, Chao Zhang, Wayne Spevak, Jiazhong Zhang, Guoxian Wu, Jack Lin, Hanna Cho, Marika Nespi, Songyuan Shi, Todd Ewing, Ying Zhang
  • Patent number: 9617267
    Abstract: Compounds of formula (I): and salts thereof, formulations thereof, conjugates thereof, derivatives thereof, forms thereof and uses thereof are described. In certain aspects and embodiments, the described compounds of formula (I) or salts thereof, formulations thereof, conjugates thereof, derivatives thereof, forms thereof are active on at least one Raf protein kinase. In certain aspects and embodiments, the described compounds are active in inhibiting proliferation of a Ras mutant cell line. Also described are methods of use thereof to treat diseases and conditions, including diseases and conditions associated with activity of B-Raf V600E mutant protein kinase, including melanoma, glioma, glioblastoma multiforme, pilocytic astrocytoma, colorectal cancer, thyroid cancer, lung cancer, ovarian cancer, prostate cancer, liver cancer, gallbladder cancer, gastrointestinal stromal tumors, biliary tract cancer, and cholangiocarcinoma.
    Type: Grant
    Filed: March 17, 2014
    Date of Patent: April 11, 2017
    Assignee: Plexxikon Inc.
    Inventors: Prabha N. Ibrahim, Wayne Spevak, Hanna Cho, Songyuan Shi, Chao Zhang, Ying Zhang
  • Publication number: 20160339025
    Abstract: The present disclosure provides methods of treating a subject suffering from or at risk of a BRAF V600 mutation or BRAF fusion mutation related disease or condition, without activating the MAPK pathway or inducing expression of MAPK pathway genes in cells harboring wild-type BRAF.
    Type: Application
    Filed: May 20, 2016
    Publication date: November 24, 2016
    Inventors: Prabha N. Ibrahim, Chao Zhang, Wayne Spevak, Jiazhong Zhang, Guoxian Wu, Jack Lin, Hanna Cho, Marika Nespi, Songyuan Shi, Todd Ewing, Ying Zhang, Gideon Bollag
  • Patent number: 9440969
    Abstract: Compounds and salts thereof, formulations thereof, conjugates thereof, derivatives thereof, forms thereof and uses thereof are described. In certain aspects and embodiments, the described compounds or salts thereof, formulations thereof, conjugates thereof, derivatives thereof, forms thereof are active on each of B-Raf, B-Raf V600E and c-Raf-1 protein kinase. In certain aspects and embodiments, the described compounds are active in inhibiting proliferation of a Ras mutant cell line.
    Type: Grant
    Filed: October 14, 2014
    Date of Patent: September 13, 2016
    Assignee: Plexxikon Inc.
    Inventors: Prabha N. Ibrahim, Guoxian Wu, Jack Lin, Wayne Spevak, Hanna Cho, Todd Ewing, Chao Zhang
  • Publication number: 20160176865
    Abstract: Compounds active on protein kinases are described, as well as methods of using such compounds to treat diseases and conditions associated with aberrant activity of protein kinases.
    Type: Application
    Filed: July 13, 2015
    Publication date: June 23, 2016
    Inventors: Prabha N. Ibrahim, Dean R. Artis, Ryan Bremer, Gaston Habets, Shumeye Mamo, Marika Nespi, Chao Zhang, Jiazhong Zhang, Yong-Liang Zhu, Rebecca Zuckerman, Brian West, Yoshisa Suzuki, James Tsai, Klaus-Peter Hirth, Gideon Bollag, Wayne Spevak, Hanna Cho, Samuel J. Gillette, Guoxian Wu, Hongyao Zhu, Shenghua Shi
  • Patent number: 9260437
    Abstract: Compounds Formula I: and salts thereof, formulations thereof, conjugates thereof, derivatives thereof, forms thereof and uses thereof are described. In certain aspects and embodiments, the described compounds or salts thereof, formulations thereof, conjugates thereof, derivatives thereof, forms thereof are active on at least one of Fms protein kinase or Kit protein kinase.
    Type: Grant
    Filed: December 15, 2014
    Date of Patent: February 16, 2016
    Assignee: Plexxikon Inc.
    Inventors: Prabha N. Ibrahim, Ryan Bremer, Jiazhong Zhang, Marika Nespi, Hanna Cho
  • Publication number: 20150290205
    Abstract: Compounds active on protein kinases are described, as well as methods of using such compounds to treat diseases and conditions associated with aberrant activity of protein kinases.
    Type: Application
    Filed: January 21, 2015
    Publication date: October 15, 2015
    Inventors: Prabha N. Ibrahim, Dean R. Artis, Ryan Bremer, Gaston Habets, Shumeye Mamo, Marika Nespi, Chao Zhang, Jiazhong Zhang, Yong-Liang Zhu, Rebecca Zuckerman, Brian West, Yoshisa Suzuki, Jianming Tsai, Klaus-Peter Hirth, Gideon Bollag, Wayne Spevak, Hanna Cho, Samuel J. Gillette, Guoxian Wu, Hongyao Zhu, Shenghua Shi
  • Patent number: 9096593
    Abstract: Compounds and salts thereof, formulations thereof, conjugates thereof, derivatives thereof, forms thereof and uses thereof are described. In certain aspects and embodiments, the described compounds or salts thereof, formulations thereof, conjugates thereof, derivatives thereof, or forms thereof are active on Fms protein kinase, or on Fms and Kit protein kinase, or on Fms and Flt-3 protein kinase. Also described are methods of use thereof to treat diseases and conditions, including diseases and conditions associated with activity of Fms protein kinase, Kit protein kinase, or Flt-3 protein kinase including rheumatoid arthritis, osteoarthritis, multiple sclerosis, Alzheimer's disease, Parkinson's disease, glomerulonephritis, interstitial nephritis, Lupus nephritis, tubular necrosis, diabetic nephropathy, renal hypertrophy, acute myeloid leukemia, melanoma, multiple myeloma, metastatic breast cancer, prostate cancer, pancreatic cancer, neurofibromatosis, brain metastases, and gastrointestinal stromal tumors.
    Type: Grant
    Filed: September 20, 2013
    Date of Patent: August 4, 2015
    Assignee: Plexxikon Inc.
    Inventors: Jiazhong Zhang, Prabha N. Ibrahim, Ryan Bremer, Wayne Spevak, Hanna Cho
  • Patent number: 9087789
    Abstract: Methods of manufacturing a semiconductor device are provided. The method may include forming an etch target layer on a substrate, forming a carbon layer doped with boron on the etch target layer, a top end portion of the carbon layer having a different boron concentration from a bottom end portion of the carbon layer, patterning the carbon layer to form at least one opening exposing the etch target layer, and etching the exposed etch target layer using the carbon layer as an etch mask.
    Type: Grant
    Filed: December 27, 2012
    Date of Patent: July 21, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: HanNa Cho, Dongseok Lee, Jungpyo Hong
  • Publication number: 20150166547
    Abstract: Compounds and salts thereof, formulations thereof, conjugates thereof, derivatives thereof, forms thereof and uses thereof are described. In certain aspects and embodiments, the described compounds or salts thereof, formulations thereof, conjugates thereof, derivatives thereof, forms thereof are active on at least one of Fms protein kinase or Kit protein kinase.
    Type: Application
    Filed: December 15, 2014
    Publication date: June 18, 2015
    Applicant: PLEXXIKON INC.
    Inventors: Prabha N. Ibrahim, Ryan Bremer, Jiazhong Zhang, Marika Nespi, Hanna Cho
  • Publication number: 20150080372
    Abstract: Compounds and salts thereof, formulations thereof, conjugates thereof, derivatives thereof, forms thereof and uses thereof are described. In certain aspects and embodiments, the described compounds or salts thereof, formulations thereof, conjugates thereof, derivatives thereof, forms thereof are active on each of B-Raf, B-Raf V600E and c-Raf-1 protein kinase. In certain aspects and embodiments, the described compounds are active in inhibiting proliferation of a Ras mutant cell line.
    Type: Application
    Filed: October 14, 2014
    Publication date: March 19, 2015
    Inventors: Prabha N. Ibrahim, Guoxian Wu, Jack Lin, Wayne Spevak, Hanna Cho, Todd Ewing, Chao Zhang