Patents by Inventor Tetsuya Nagata

Tetsuya Nagata 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).

  • Publication number: 20220175817
    Abstract: A nucleic acid complex that exhibits an excellent antisense effect in the skeletal muscle and/or heart muscle, and a composition for treating or preventing a muscle disease that develops in the skeletal muscle, heart muscle, and the like having the nucleic acid complex as an active ingredient is disclosed. Also provided is a double-stranded nucleic acid complex in which a first nucleic acid strand that hybridizes to the transcription product of a target gene and has an antisense effect on the transcription product is annealed with a second nucleic acid strand that has a base sequence complementary to the first nucleic acid strand and is bound to cholesterol or analog thereof.
    Type: Application
    Filed: April 8, 2020
    Publication date: June 9, 2022
    Applicant: NATIONAL UNIVERSITY CORPORATION TOKYO MEDICAL AND DENTAL UNIVERSITY
    Inventors: Takanori YOKOTA, Tetsuya NAGATA
  • Publication number: 20220162604
    Abstract: Provided is a drug that allows highly-efficient skipping of exon 51 in the human dystrophin gene. The present invention provides an antisense oligomer which enables exon 51 in the human dystrophin gene to be skipped.
    Type: Application
    Filed: June 30, 2021
    Publication date: May 26, 2022
    Applicants: NIPPON SHINYAKU CO., LTD., NATIONAL CENTER OF NEUROLOGY AND PSYCHIATRY
    Inventors: Tatsushi WAKAYAMA, Haruna SEO, Youhei SATOU, Shin'ichi TAKEDA, Tetsuya NAGATA
  • Patent number: 11333989
    Abstract: A toner containing a toner particle that contains a binder resin and a crystalline material, wherein, in measurement of powder dynamic viscoelasticity of the toner, when T(A)° C. is taken as an onset temperature for a storage elastic modulus E? obtained at a ramp rate of 20° C./min, EA?(100) Pa is taken as a storage elastic modulus at 100° C. obtained at a ramp rate of 20° C./min, and T(B)° C. is taken as an onset temperature for a storage elastic modulus E? obtained at a ramp rate of 5° C./min, T(A)?T(B) is 3.0° C. or less, T(A) is from 45.0° C. to 70.0° C., and EA?(100) is from 4.0×109 Pa to 6.5×109 Pa.
    Type: Grant
    Filed: June 23, 2020
    Date of Patent: May 17, 2022
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Tomohiro Unno, Kosuke Fukudome, Ryo Nagata, Tetsuya Kinumatsu, Mariko Yamashita
  • Publication number: 20220135972
    Abstract: An object of the present invention is to provide a double-stranded nucleic acid complex having a reduced number of PS modifications in an antisense strand and maintaining an antisense effect. An optimal PS modification pattern for double-stranded nucleic acid complexes is disclosed. Such a nucleic acid complex comprising an antisense strand having an optimal PS modification pattern has a characteristic of having low toxicity and high bioavailability. The double-stranded nucleic acid complex comprising an antisense strand having an optimal PS modification pattern according to the present invention is useful when used as a nucleic acid drug that utilizes inhibition of expression of a specific gene (knockdown), activity that changes the function of coating or non-coding RNA for a specific gene, or activity that changes the function of RNA by inducing exon skipping during processing of pre-mRNA for a specific gene.
    Type: Application
    Filed: February 20, 2020
    Publication date: May 5, 2022
    Applicant: NATIONAL UNIVERSITY CORPORATION TOKYO MEDICAL AND DENTAL UNIVERSITY
    Inventors: Takanori YOKOTA, Rintaro HARA, Tetsuya NAGATA, Hideki KIZAWA, Koh TAKAGI
  • Publication number: 20220049257
    Abstract: Provided is a drug that allows highly-efficient skipping of exon. The present invention provides an antisense oligomer wherein two or more unit oligomers targeting sequences that are neither consecutive nor overlap with each other in the same exon are connected.
    Type: Application
    Filed: November 2, 2021
    Publication date: February 17, 2022
    Applicants: NIPPON SHINYAKU CO., LTD., NATIONAL CENTER OF NEUROLOGY AND PSYCHIATRY
    Inventors: Naoki WATANABE, Yuuichirou TONE, Shin'ichi TAKEDA, Tetsuya NAGATA
  • Patent number: 11193125
    Abstract: Provided is a drug that allows highly-efficient skipping of exon. The present invention provides an antisense oligomer wherein two or more unit oligomers targeting sequences that are neither consecutive nor overlap with each other in the same exon are connected.
    Type: Grant
    Filed: August 15, 2017
    Date of Patent: December 7, 2021
    Assignees: NIPPON SHINYAKU CO., LTD., NATIONAL CENTER OF NEUROLOGY AND PSYCHIATRY
    Inventors: Naoki Watanabe, Yuuichirou Tone, Shin'ichi Takeda, Tetsuya Nagata
  • Publication number: 20210340171
    Abstract: The present invention provides an oligomer which efficiently enables to cause skipping of the 53rd exon in the human dystrophin gene. Also provided is a pharmaceutical composition which causes skipping of the 53rd exon in the human dystrophin gene with a high efficiency.
    Type: Application
    Filed: July 14, 2021
    Publication date: November 4, 2021
    Applicants: NIPPON SHINYAKU CO., LTD., NATIONAL CENTER OF NEUROLOGY AND PSYCHIATRY
    Inventors: Naoki WATANABE, Youhei SATOU, Shin'ichi TAKEDA, Tetsuya NAGATA
  • Publication number: 20210284680
    Abstract: The present invention provides an oligomer which efficiently enables to cause skipping of the 53rd exon in the human dystrophin gene. Also provided is a pharmaceutical composition which causes skipping of the 53rd exon in the human dystrophin gene with a high efficiency.
    Type: Application
    Filed: May 28, 2021
    Publication date: September 16, 2021
    Applicants: NIPPON SHINYAKU CO., LTD., NATIONAL CENTER OF NEUROLOGY AND PSYCHIATRY
    Inventors: Naoki WATANABE, Youhei SATOU, Shin'ichi TAKEDA, Tetsuya NAGATA
  • Publication number: 20210236720
    Abstract: The present invention relates to a chemical solution pump including a holding member that holds a syringe discharging a chemical solution in association with a movement of a plunger, a drive unit that presses the plunger with a predetermined driving force to move the plunger in a first direction toward an inside of the syringe, and an adjustment mechanism that adjusts the movement of the plunger so that the plunger moves with the driving force. The adjustment mechanism applies an auxiliary force to the plunger in a direction the same as the first direction, or applies a reaction force to the plunger in a second direction opposite to the first direction, in accordance with a difference between a resistance force generated by the movement of the plunger inside the syringe and the driving force.
    Type: Application
    Filed: January 22, 2021
    Publication date: August 5, 2021
    Inventors: Tetsuya NAGATA, Akehiko SATO, Yoichi ENDO
  • Publication number: 20210236718
    Abstract: The present invention relates to a quantitative amount feed mechanism including a functional unit disposed to be movable along an axis, a drive unit that presses the functional unit with a predetermined driving force to move the functional unit in a first direction along the axis, and an adjustment mechanism that adjusts a movement of the functional unit so that the functional unit moves with the driving force. The adjustment mechanism applies an auxiliary force to the functional unit in a direction the same as the first direction, or applies a reaction force to the functional unit in a second direction opposite to the first direction, in accordance with a difference between a resistance force generated by the movement of the functional unit and the driving force.
    Type: Application
    Filed: January 25, 2021
    Publication date: August 5, 2021
    Inventors: Tetsuya NAGATA, Akehiko SATO, Yoichi ENDO
  • Publication number: 20210222169
    Abstract: The present invention provides a pharmaceutical agent which causes skipping of the 55th, 45th, 50th or 44th exon in the human dystrophin gene with a high efficiency. The present invention provides an oligomer which efficiently enables to cause skipping of the 55th, 45th, 50th or 44th exon in the human dystrophin gene.
    Type: Application
    Filed: August 21, 2020
    Publication date: July 22, 2021
    Applicants: NIPPON SHINYAKU CO., LTD., NATIONAL CENTER OF NEUROLOGY AND PSYCHIATRY
    Inventors: Naoki WATANABE, Haruna SEO, Shin'ichi TAKEDA, Tetsuya NAGATA
  • Patent number: 11053497
    Abstract: Provided is a drug that allows highly-efficient skipping of exon 51 in the human dystrophin gene. The present invention provides an antisense oligomer which enables exon 51 in the human dystrophin gene to be skipped.
    Type: Grant
    Filed: June 11, 2019
    Date of Patent: July 6, 2021
    Assignees: NIPPON SHINYAKU CO., LTD., NATIONAL CENTER OF NEUROLOGY AND PSYCHIATRY
    Inventors: Tatsushi Wakayama, Haruna Seo, Youhei Satou, Shin'ichi Takeda, Tetsuya Nagata
  • Publication number: 20210198306
    Abstract: The present invention provides an oligomer which efficiently enables to cause skipping of the 53rd exon in the human dystrophin gene. Also provided is a pharmaceutical composition which causes skipping of the 53rd exon in the human dystrophin gene with a high efficiency.
    Type: Application
    Filed: February 12, 2021
    Publication date: July 1, 2021
    Applicants: NIPPON SHINYAKU CO., LTD., NATIONAL CENTER OF NEUROLOGY AND PSYCHIATRY
    Inventors: Naoki WATANABE, Youhei SATOU, Shin'ichi TAKEDA, Tetsuya NAGATA
  • Publication number: 20210179659
    Abstract: The present invention provides an oligomer which efficiently enables to cause skipping of the 53rd exon in the human dystrophin gene. Also provided is a pharmaceutical composition which causes skipping of the 53rd exon in the human dystrophin gene with a high efficiency.
    Type: Application
    Filed: December 18, 2020
    Publication date: June 17, 2021
    Applicants: NIPPON SHINYAKU CO., LTD., NATIONAL CENTER OF NEUROLOGY AND PSYCHIATRY
    Inventors: Naoki WATANABE, Youhei SATOU, Shin'ichi TAKEDA, Tetsuya NAGATA
  • Patent number: 11028122
    Abstract: The present invention provides an oligomer which efficiently enables to cause skipping of the 53rd exon in the human dystrophin gene. Also provided is a pharmaceutical composition which causes skipping of the 53rd exon in the human dystrophin gene with a high efficiency.
    Type: Grant
    Filed: February 12, 2021
    Date of Patent: June 8, 2021
    Assignees: NIPPON SHINYAKU CO., LTD., NATIONAL CENTER OF NEUROLOGY AND PSYCHIATRY
    Inventors: Naoki Watanabe, Youhei Satou, Shin'ichi Takeda, Tetsuya Nagata
  • Publication number: 20210163934
    Abstract: The object of the present invention is to provide a nucleic acid agent that can be efficiently delivered to the nervous system, particularly the central nervous system to which the BBB mechanism prevents drug delivery, and can produce an antisense effect on a target transcriptional product at the delivered site, and a composition comprising the same. Provided is a double-stranded nucleic acid complex formed by annealing a first nucleic acid strand capable of hybridizing to part of a target transcriptional product, and has an antisense effect on the target transcriptional product, to a second nucleic acid strand comprising a base sequence complementary to the first nucleic acid strand, and is bound to tocopherol or an analog thereof, cholesterol or an analog thereof, or a substituted or unsubstituted C1-30 alkyl group, a substituted or unsubstituted C2-30 alkenyl group, or a substituted or unsubstituted C1-30 alkoxy group.
    Type: Application
    Filed: March 22, 2019
    Publication date: June 3, 2021
    Applicant: NATIONAL UNIVERSITY CORPORATION TOKYO MEDICAL AND DENTAL UNIVERSITY
    Inventors: Takanori YOKOTA, Tetsuya NAGATA, Hideki FURUKAWA, Yasuo NAKAGAWA, Takatoshi YOGO, Ryosuke TOKUNOH, Shigekazu SASAKI, Kosuke HIDAKA, Tomohiro SEKI, Kenichi MIYATA, Yusuke ADACHI, Naoto ARIMURA
  • Patent number: 10916597
    Abstract: A display device according to an embodiment of the present invention includes: a flexible substrate having a plurality of pixels, each of the plurality of pixels comprising a display element, the plurality of pixels being arranged in a display area; and an at least one actuator which is provided so as to fit a backside of the substrate and bends the substrate, wherein the at least one actuator is provided with a layer to shift from a flexible state to a state to have a predetermined shape and vice versa by being driven electrically, and the at least one actuator does not overlap the display element in a plan view.
    Type: Grant
    Filed: January 3, 2019
    Date of Patent: February 9, 2021
    Assignee: Japan Display Inc.
    Inventor: Tetsuya Nagata
  • Publication number: 20210033901
    Abstract: A column for defining the interval between a TFT substrate and an opposed substrate is formed at a crossing point between a drain line and a scanning line. At the crossing point where the column is formed, the drain line is formed to have a wider width to prevent light leakage. Further, at the crossing point where the column is formed, the scanning line is formed to have a narrower width to prevent increase of capacitance between the drain line and the scanning line. The column is formed at a crossing point corresponding to a specific color, e.g., a blue pixel B, so that a difference in transmittance and in characteristic of thin film transistors due to formation of the column is initially compensated.
    Type: Application
    Filed: October 8, 2020
    Publication date: February 4, 2021
    Inventors: Takahiro OCHIAI, Tohru SASAKI, Tetsuya NAGATA
  • Publication number: 20210024929
    Abstract: Developed and provided is: a nucleic acid agent that is efficiently delivered to the central nervous system, to which drug delivery is inhibited by the blood brain barrier mechanism, and that provides an antisense effect to a target transcription product at the delivery site; and a composition containing such a nucleic acid agent. Provided is a double-stranded nucleic acid complex consisting of a first nucleic acid strand and a second nucleic acid strand that are annealed to each other; wherein the first nucleic acid strand hybridizes with part of a target transcription product and has an antisense effect on the target transcription product; and wherein the second nucleic acid strand includes a base sequence complementary to the first nucleic acid strand and is conjugated to a phosphatidylethanolamine or an analog thereof.
    Type: Application
    Filed: March 13, 2019
    Publication date: January 28, 2021
    Applicants: National University Corporation Tokyo Medical and Dental University, Takeda Pharmaceutical Company Limited
    Inventors: Takanori Yokota, Tetsuya Nagata, Hideki Furukawa, Yasuo Nakagawa, Takatoshi Yogo, Ryosuke Tokunoh, Shigekazu Sasaki, Kosuke Hidaka, Tomohiro Seki, Kenichi Miyata, Akio Uchida
  • Publication number: 20210010000
    Abstract: An object of the invention is to provide a low toxicity antisense nucleic acid medicine that can modulate expression of a target transcriptional product in the central nervous system and other sites of a subject. Provided is a low toxicity composition for modulating expression of a target transcriptional product in a site such as the central nervous system of a subject, having a nucleic acid complex formed by annealing together a first nucleic acid strand having an antisense oligonucleotide region with respect to the target transcriptional product, and a second nucleic acid strand having a complementary region that is complementary to at least part of the first nucleic acid strand.
    Type: Application
    Filed: March 19, 2019
    Publication date: January 14, 2021
    Applicant: NATIONAL UNIVERSITY CORPORATION TOKYO MEDICAL AND DENTAL UNIVERSITY
    Inventors: Takanori YOKOTA, Tetsuya NAGATA, Kotaro YOSHIOKA