Patents by Inventor Takehiro Yamane

Takehiro Yamane 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).

  • CYCLOBUTYL PURINE DERIVATIVE OR SALT THEREOF
    Publication number: 20230295202
    Abstract: An object of the present invention is to provide a compound exhibiting an excellent drug efficacy as an anti-adenoviral agent, and an anti-adenoviral agent. The present invention provides a compound represented by General Formula [1] (in the formula, R1 represents a halogen atom, an amino group which may be substituted, a C1-6 alkoxy group which may be substituted, a hydroxyl group which may be protected, or the like; R2 represents a hydrogen atom or an amino protecting group; R3 represents a C1-20 alkoxy group which may be substituted, an aryloxy group which may be substituted, an amino group which may be substituted, or the like; R4 represents a C1-20 alkoxy group which may be substituted, an aryloxy group which may be substituted, an amino group which may be substituted, or the like); or a salt thereof.
    Type: Application
    Filed: April 5, 2023
    Publication date: September 21, 2023
    Applicant: FUJIFILM Corporation
    Inventors: Hidenobu KUNIYOSHI, Takehiro Yamane, Takayuki Yamakawa, Shintaro Tanabe, Hideyasu Fujiwara, Eiichi Kodama
  • CYCLOPENTENYL PURINE DERIVATIVE OR SALT THEREOF
    Publication number: 20210155644
    Abstract: An object of the present invention is to provide a compound exhibiting an excellent drug efficacy as an anti-adenoviral agent, and an anti-adenoviral agent.
    Type: Application
    Filed: January 26, 2021
    Publication date: May 27, 2021
    Applicant: Fujifilm Corporation
    Inventors: Hidenobu Kuniyoshi, Takehiro Yamane, Takayuki Yamakawa, Hideyasu Fujiwara, Eiichi Kodama
  • CYCLOBUTYL PURINE DERIVATIVE OR SALT THEREOF
    Publication number: 20210147456
    Abstract: An object of the present invention is to provide a compound exhibiting an excellent drug efficacy as an anti-adenoviral agent, and an anti-adenoviral agent. The present invention provides a compound represented by General Formula [1] (in the formula, R1 represents a halogen atom, an amino group which may be substituted, a C1-6 alkoxy group which may be substituted, a hydroxyl group which may be protected, or the like; R2 represents a hydrogen atom or an amino protecting group; R3 represents a C1-20 alkoxy group which may be substituted, an aryloxy group which may be substituted, an amino group which may be substituted, or the like; R4 represents a C1-20 alkoxy group which may be substituted, an aryloxy group which may be substituted, an amino group which may be substituted, or the like); or a salt thereof.
    Type: Application
    Filed: January 26, 2021
    Publication date: May 20, 2021
    Applicant: FUJIFILM Corporation
    Inventors: Hidenobu KUNIYOSHI, Takehiro Yamane, Takayuki Yamakawa, Shintaro Tanabe, Hideyasu Fujiwara, Eiichi Kodama
  • Synthetic intermediate of 1-(2-deoxy-2-fluoro-4-thio-?-D-arabinofuranosyl)cytosine, synthetic intermediate of thionucleoside, and method for producing the same
    Patent number: 10570112
    Abstract: A compound represented by a formula [1D] as shown below (wherein R1A, R1B, R2A, R2B, R3A and R3B represent a hydrogen atom, an optionally substituted C1-6 alkyl group, and the like) is useful as an intermediate for producing a thionucleoside, and the production method of the present invention is useful as a method for producing a thionucleoside.
    Type: Grant
    Filed: July 25, 2018
    Date of Patent: February 25, 2020
    Assignee: FUJIFILM Corporation
    Inventors: Kouki Nakamura, Satoshi Shimamura, Junichi Imoto, Motomasa Takahashi, Katsuyuki Watanabe, Kenji Wada, Yuuta Fujino, Takuya Matsumoto, Makoto Takahashi, Hideki Okada, Takehiro Yamane, Takayuki Ito
  • SYNTHETIC INTERMEDIATE OF 1-(2-DEOXY-2-FLUORO-4-THIO-ß-D-ARABINOFURANOSYL)CYTOSINE, SYNTHETIC INTERMEDIATE OF THIONUCLEOSIDE, AND METHOD FOR PRODUCING THE SAME
    Publication number: 20180327377
    Abstract: A compound represented by a formula [1D] as shown below (wherein R1A, R1B, R2A, R2B, R3A and R3B represent a hydrogen atom, an optionally substituted C1-6 alkyl group, and the like) is useful as an intermediate for producing a thionucleoside, and the production method of the present invention is useful as a method for producing a thionucleoside.
    Type: Application
    Filed: July 25, 2018
    Publication date: November 15, 2018
    Applicant: FUJIFILM Corporation
    Inventors: Kouki NAKAMURA, Satoshi SHIMAMURA, Junichi IMOTO, Motomasa TAKAHASHI, Katsuyuki WATANABE, Kenji WADA, Yuuta FUJINO, Takuya MATSUMOTO, Makoto TAKAHASHI, Hideki OKADA, Takehiro YAMANE, Takayuki ITO
  • Synthetic intermediate of 1-(2-deoxy-2-fluoro-4-thio-?-D-arabinofuranosyl)cytosine, synthetic intermediate of thionucleoside, and method for producing the same
    Patent number: 10093645
    Abstract: A compound represented by a formula [1D] as shown below (wherein R1A, R1B, R2A, R2B, R3A and R3B represent a hydrogen atom, an optionally substituted C1-6 alkyl group, and the like) is useful as an intermediate for producing a thionucleoside, and the production method of the present invention is useful as a method for producing a thionucleoside.
    Type: Grant
    Filed: August 24, 2016
    Date of Patent: October 9, 2018
    Assignee: FUJIFILM Corporation
    Inventors: Kouki Nakamura, Satoshi Shimamura, Junichi Imoto, Motomasa Takahashi, Katsuyuki Watanabe, Kenji Wada, Yuuta Fujino, Takuya Matsumoto, Makoto Takahashi, Hideki Okada, Takehiro Yamane, Takayuki Ito
  • SYNTHETIC INTERMEDIATE OF 1-(2-DEOXY-2-FLUORO-4-THIO-ß-D-ARABINOFURANOSYL)CYTOSINE, SYNTHETIC INTERMEDIATE OF THIONUCLEOSIDE, AND METHOD FOR PRODUCING THE SAME
    Publication number: 20160362389
    Abstract: A compound represented by a formula [1D] as shown below (wherein R1A, R1B, R2A, R2B, R3A and R3B represent a hydrogen atom, an optionally substituted C1-6 alkyl group, and the like) is useful as an intermediate for producing a thionucleoside, and the production method of the present invention is useful as a method for producing a thionucleoside.
    Type: Application
    Filed: August 24, 2016
    Publication date: December 15, 2016
    Applicant: FUJIFILM Corporation
    Inventors: Kouki NAKAMURA, Satoshi SHIMAMURA, Junichi IMOTO, Motomasa TAKAHASHI, Katsuyuki WATANABE, Kenji WADA, Yuuta FUJINO, Takuya MATSUMOTO, Makoto TAKAHASHI, Hideki OKADA, Takehiro YAMANE, Takayuki ITO
  • Synthetic intermediate of 1-(2-deoxy-2-fluoro-4-thio-?-D-arabinofuranosyl) cytosine, synthetic intermediate of thionucleoside, and method for producing the same
    Patent number: 9475835
    Abstract: A compound represented by a formula [1D] as shown below (wherein R1A, R1B, R2A, R2B, R3A and R3B represent a hydrogen atom, an optionally substituted C1-6 alkyl group, and the like) is useful as an intermediate for producing a thionucleoside, and the production method of the present invention is useful as a method for producing a thionucleoside.
    Type: Grant
    Filed: October 2, 2015
    Date of Patent: October 25, 2016
    Assignee: FUJIFILM Corporation
    Inventors: Kouki Nakamura, Satoshi Shimamura, Junichi Imoto, Motomasa Takahashi, Katsuyuki Watanabe, Kenji Wada, Yuuta Fujino, Takuya Matsumoto, Makoto Takahashi, Hideki Okada, Takehiro Yamane, Takayuki Ito
  • SYNTHETIC INTERMEDIATE OF 1-(2-DEOXY-2-FLUORO-4-THIO-ß-D-ARABINOFURANOSYL) CYTOSINE, SYNTHETIC INTERMEDIATE OF THIONUCLEOSIDE, AND METHOD FOR PRODUCING THE SAME
    Publication number: 20160024132
    Abstract: A compound represented by a formula [1D] as shown below (wherein R1A, R1B, R2A, R2B, R3A and R3B represent a hydrogen atom, an optionally substituted C1-6 alkyl group, and the like) is useful as an intermediate for producing a thionucleoside, and the production method of the present invention is useful as a method for producing a thionucleoside.
    Type: Application
    Filed: October 2, 2015
    Publication date: January 28, 2016
    Applicant: FUJIFILM Corporation
    Inventors: Kouki NAKAMURA, Satoshi SHIMAMURA, Junichi IMOTO, Motomasa TAKAHASHI, Katsuyuki WATANABE, Kenji WADA, Yuuta FUJINO, Takuya MATSUMOTO, Makoto TAKAHASHI, Hideki OKADA, Takehiro YAMANE, Takayuki ITO
  • Synthetic intermediate of 1-(2-deoxy-2-fluoro-4-thio-?-D-arabinofuranosyl)cytosine, synthetic intermediate of thionucleoside, and method for producing the same
    Patent number: 9221865
    Abstract: A compound represented by a formula [1D] as shown below (wherein R1A, R1B, R2A, R2B, R3A and R3B represent a hydrogen atom, an optionally substituted C1-6 alkyl group, and the like) is useful as an intermediate for producing a thionucleoside, and the production method of the present invention is useful as a method for producing a thionucleoside.
    Type: Grant
    Filed: February 12, 2015
    Date of Patent: December 29, 2015
    Assignee: FUJIFILM Corporation
    Inventors: Kouki Nakamura, Satoshi Shimamura, Junichi Imoto, Motomasa Takahashi, Katsuyuki Watanabe, Kenji Wada, Yuuta Fujino, Takuya Matsumoto, Makoto Takahashi, Hideki Okada, Takehiro Yamane, Takayuki Ito
  • Synthetic intermediate of 1-(2-deoxy-2-fluoro-4-thio-?-D-arabinofuranosyl)cytosine, synthetic intermediate of thionucleoside, and method for producing the same
    Patent number: 9187514
    Abstract: A compound represented by a formula [1D] as shown below (wherein R1A, R1B, R2A, R2B, R3A and R3B represent a hydrogen atom, an optionally substituted C1-6 alkyl group, and the like) is useful as an intermediate for producing a thionucleoside, and the production method of the present invention is useful as a method for producing a thionucleoside.
    Type: Grant
    Filed: February 12, 2015
    Date of Patent: November 17, 2015
    Assignee: FUJIFILM Corporation
    Inventors: Kouki Nakamura, Satoshi Shimamura, Junichi Imoto, Motomasa Takahashi, Katsuyuki Watanabe, Kenji Wada, Yuuta Fujino, Takuya Matsumoto, Makoto Takahashi, Hideki Okada, Takehiro Yamane, Takayuki Ito
  • SYNTHETIC INTERMEDIATE OF 1-(2-DEOXY-2-FLUORO-4-THIO-ß-D-ARABINOFURANOSYL)CYTOSINE, SYNTHETIC INTERMEDIATE OF THIONUCLEOSIDE, AND METHOD FOR PRODUCING THE SAME
    Publication number: 20150152131
    Abstract: A compound represented by a formula [1D] as shown below (wherein R1A, R1B, R2A, R2B, R3A and R3B represent a hydrogen atom, an optionally substituted C1-6 alkyl group, and the like) is useful as an intermediate for producing a thionucleoside, and the production method of the present invention is useful as a method for producing a thionucleoside.
    Type: Application
    Filed: February 12, 2015
    Publication date: June 4, 2015
    Applicant: FUJIFILM CORPORATION
    Inventors: Kouki NAKAMURA, Satoshi SHIMAMURA, Junichi IMOTO, Motomasa TAKAHASHI, Katsuyuki WATANABE, Kenji WADA, Yuuta FUJINO, Takuya MATSUMOTO, Makoto TAKAHASHI, Hideki OKADA, Takehiro YAMANE, Takayuki ITO
  • FLUORESCENT MRI PROBE
    Publication number: 20120065384
    Abstract: A fluorescent gadolinium complex compound comprising a residue of gadolinium.1,4,7,10-tetraazacyclododecane-N,N?,N?,N??-tetraacetic acid or a residue of gadolinium.diethylenetriaminepentaacetic acid bound covalently with a group represented by the following general formula (I) (R1 represents hydrogen atom or a substituent R2, R4, R5 and R7 represent hydrogen atom, a halogen atom or a C1-6 alkyl group, and R3 and R6 represent hydrogen atom, a halogen atom or a C1-6 alkyl group), which is easily taken up into cells and useful as a probe observable by the fluorescence method and MRI.
    Type: Application
    Filed: March 4, 2010
    Publication date: March 15, 2012
    Applicant: THE UNIVERSITY OF TOKYO
    Inventors: Tetsuo Nagano, Kenjiro Hanaoka, Takehiro Yamane, Yasuaki Muramatsu
  • Heat-resistant composite magnet and method for producing the same
    Patent number: 4264361
    Abstract: This invention relates to a heat-resistant composite magnet comprising 2 to 30% by weight of an organic-inorganic compound binder containing boron and silicon and 70 to 98% by weight of the powder of one or more permanent magnets.This invention further relates to a method for producing a heat-resistant composite magnet, which comprises the steps of (a) adding the powder of one or more permanent magnets to a solution of an organic-inorganic compound binder containing boron and silicon dissolved in an organic solvent; (b) evaporating said solvent; (c) molding the resultant permanent magnet powder covered with said binder under a pressure of 0.1 to 5 tons/cm.sup.2 in the presence or in the absence of a magnetic field of 12,000-5,000 oersted, the molded product being heated at 200.degree.-450.degree. C. during the molding or after the molding; and (d) cooling the molded product.
    Type: Grant
    Filed: May 8, 1979
    Date of Patent: April 28, 1981
    Assignees: Mitsubishi Seiko Kabushiki Kaisha, The Foundation: The Research Institute for Special Inorganic Materials
    Inventors: Seishi Yajima, Masaaki Hamano, Yoshio Hasegawa, Kimiyuki Kamino, Takehiro Yamane