Patents by Inventor Mamoru Shimizu

Mamoru Shimizu 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: 10696711
    Abstract: To provide a chiral reagent or a salt thereof. The chiral reagent has following chemical formula (I). In the formula (I), G1 and G2 are independently a hydrogen atom, a nitro group (—NO2), a halogen atom, a cyano group (—CN), a group of formula (II) or (III), or both G1 and G2 taken together to form a group of formula (IV).
    Type: Grant
    Filed: November 6, 2018
    Date of Patent: June 30, 2020
    Assignee: WAVE LIFE SCIENCES LTD.
    Inventors: Mamoru Shimizu, Takeshi Wada
  • Patent number: 10428019
    Abstract: The disclosed and claimed compounds are chiral auxiliaries useful for efficiently producing a phosphorus atom-modified nucleic acid derivative with high stereoregularity. The disclosed and claimed compounds include those represented by the following formula (I) or formula (XI) for introducing the chiral auxiliaries.
    Type: Grant
    Filed: September 22, 2011
    Date of Patent: October 1, 2019
    Assignee: WAVE LIFE SCIENCES LTD.
    Inventors: Takeshi Wada, Mamoru Shimizu
  • Patent number: 10329318
    Abstract: Described herein are methods of syntheses of phosphorous atom-modified nucleic acids comprising chiral X-phosphonate moieties. The methods described herein provide backbone-modified nucleic acids in high diasteteomeric purity via an asymmetric reaction of an achiral molecule comprising a chemically stable H-phophonate moiety with a nucleoside/nucleotide.
    Type: Grant
    Filed: May 30, 2017
    Date of Patent: June 25, 2019
    Assignee: WAVE LIFE SCIENCES LTD.
    Inventors: Takeshi Wada, Mamoru Shimizu
  • Publication number: 20190177357
    Abstract: To provide a chiral reagent or a salt thereof. The chiral reagent has following chemical formula (I). In the formula (I), G1 and G2 are independently a hydrogen atom, a nitro group (—NO2), a halogen atom, a cyano group (—CN), a group of formula (II) or (III), or both G1 and G2 taken together to form a group of formula (IV).
    Type: Application
    Filed: November 6, 2018
    Publication date: June 13, 2019
    Inventors: Mamoru Shimizu, Takeshi Wada
  • Patent number: 10167309
    Abstract: To provide a chiral reagent or a salt thereof. The chiral reagent has following chemical formula (I). In the formula (I), G1 and G2 are independently a hydrogen atom, a nitro group (—NO2), a halogen atom, a cyano group (—CN), a group of formula (II) or (III), or both G1 and G2 taken together to form a group of formula (IV).
    Type: Grant
    Filed: October 14, 2016
    Date of Patent: January 1, 2019
    Assignee: WAVE LIFE SCIENCES LTD.
    Inventors: Mamoru Shimizu, Takeshi Wada
  • Publication number: 20180111958
    Abstract: Described herein are methods of syntheses of phosphorous atom-modified nucleic acids comprising chiral X-phosphonate moieties. The methods described herein provide backbone-modified nucleic acids in high diasteteomeric purity via an asymmetric reaction of an achiral molecule comprising a chemically stable H-phophonate moiety with a nucleoside/nucleotide.
    Type: Application
    Filed: May 30, 2017
    Publication date: April 26, 2018
    Inventors: Takeshi Wada, Mamoru Shimizu
  • Publication number: 20170286068
    Abstract: In a system of developing a screen by reusing a componentized element, the component can be developed while achieving consistency and harmony with an appearance of an entire screen. According to an embodiment, the system has: a component development controller that receives a request for development of a reusable component; a component development model that acquires information containing a source code of the component; and a component development view that displays a predetermined background image on a developer terminal and a component development region for displaying an appearance of the component which is a development target so as to overlap on the background image. When the source code of the component which is the development target is edited, the component which is the development target is displayed based on the source code in the component development region to provide the appearance defined by a template compatible with the device type.
    Type: Application
    Filed: June 22, 2017
    Publication date: October 5, 2017
    Applicant: NOMURA RESEARCH INSTITUTE, LTD.
    Inventors: Yusuke SHIOKAWA, Eiko MIYAMAE, Mamoru SHIMIZU
  • Patent number: 9695211
    Abstract: Described herein are methods of syntheses of phosphorous atom-modified nucleic acids comprising chiral X-phosphonate moieties. The methods described herein provide backbone-modified nucleic acids in high diasteteomeric purity via an asymmetric reaction of an achiral molecule comprising a chemically stable H-phosphonate moiety with a nucleoside/nucleotide.
    Type: Grant
    Filed: May 27, 2016
    Date of Patent: July 4, 2017
    Assignee: WAVE LIFE SCIENCES JAPAN, INC.
    Inventors: Takeshi Wada, Mamoru Shimizu
  • Patent number: 9598458
    Abstract: To provide a chiral reagent or a salt thereof. The chiral reagent has following chemical formula (I). In the formula (I), G1 and G2 are independently a hydrogen atom, a nitro group (—NO2), a halogen atom, a cyano group (—CN), a group of formula (II) or (III), or both G1 and G2 taken together to form a group of formula (IV).
    Type: Grant
    Filed: July 12, 2013
    Date of Patent: March 21, 2017
    Assignee: WAVE LIFE SCIENCES JAPAN, INC.
    Inventors: Mamoru Shimizu, Takeshi Wada
  • Publication number: 20170029445
    Abstract: To provide a chiral reagent or a salt thereof. The chiral reagent has following chemical formula (I). In the formula (I), G1 and G2 are independently a hydrogen atom, a nitro group (—NO2), a halogen atom, a cyano group (—CN), a group of formula (II) or (III), or both G1 and G2 taken together to form a group of formula (IV).
    Type: Application
    Filed: October 14, 2016
    Publication date: February 2, 2017
    Inventors: Mamoru Shimizu, Takeshi Wada
  • Publication number: 20160347780
    Abstract: Described herein are methods of syntheses of phosphorous atom-modified nucleic acids comprising chiral X-phosphonate moieties. The methods described herein provide backbone-modified nucleic acids in high diasteteomeric purity via an asymmetric reaction of an achiral molecule comprising a chemically stable H-phosphonate moiety with a nucleoside/nucleotide.
    Type: Application
    Filed: May 27, 2016
    Publication date: December 1, 2016
    Inventors: Takeshi Wada, Mamoru Shimizu
  • Patent number: 9394333
    Abstract: Described herein are methods of syntheses of phosphorous atom-modified nucleic acids comprising chiral X-phosphonate moieties. The methods described herein provide backbone-modified nucleic acids in high diasteteomeric purity via an asymmetric reaction of an achiral molecule comprising a chemically stable H-phophonate moiety with a nucleoside/nucleotide.
    Type: Grant
    Filed: December 2, 2009
    Date of Patent: July 19, 2016
    Assignee: WAVE LIFE SCIENCES JAPAN
    Inventors: Takeshi Wada, Mamoru Shimizu
  • Publication number: 20150197540
    Abstract: To provide a chiral reagent or a salt thereof. The chiral reagent has following chemical formula (I). In the formula (I), G1 and G2 are independently a hydrogen atom, a nitro group (—NO2), a halogen atom, a cyano group (—CN), a group of formula (II) or (III), or both G1 and G2 taken together to form a group of formula (IV).
    Type: Application
    Filed: July 12, 2013
    Publication date: July 16, 2015
    Inventors: Mamoru Shimizu, Takeshi Wada
  • Patent number: 8822671
    Abstract: A 2?-modified ribonucleoside having an alkoxymethyl protective group can be imparted with a high duplex-forming ability by introducing, as a substituent, a halogen atom into the protective group moiety. A modified form of RNA having a halogen-substituted alkoxymethyl protective group exhibits a high duplex-forming ability that is comparable to the duplex-forming ability of a 2?-O-methyl modified nucleic acid.
    Type: Grant
    Filed: November 28, 2011
    Date of Patent: September 2, 2014
    Assignees: The University of Tokyo, Chiralgen, Ltd.
    Inventors: Mamoru Shimizu, Takeshi Wada, Kouichiro Arai
  • Publication number: 20130253178
    Abstract: [Problem] To provide a 2?-modified ribonucleoside or the like which has a high duplex-forming ability. [Solution] The present invention is generally based on the finding in embodiments that a modified form of a ribonucleoside or the like having an alkoxymethyl protective group can be imparted with a high duplex-forming ability by introducing, as a substituent, a halogen atom into the protective group moiety. As explained before, a modified form of RNA having an alkoxymethyl protective group has a low duplex-forming ability. A modified form of RNA having a halogen-substituted alkoxymethyl protective group, however, exhibits a high duplex-forming ability that is comparable to the duplex-forming ability of a 2?-O-methyl modified nucleic acid.
    Type: Application
    Filed: November 28, 2011
    Publication date: September 26, 2013
    Applicants: THE UNIVERSITY OF TOKYO, CHIRALGEN, LTD.
    Inventors: Mamoru Shimizu, Takeshi Wada, Kouichiro Arai
  • Publication number: 20130178612
    Abstract: Chiral auxiliaries useful for efficiently producing a phosphorus atom-modified nucleic acid derivative with high stereoregularity, and compounds represented by the following the general formula (I) or the general formula (XI) for introducing the chiral auxiliaries.
    Type: Application
    Filed: September 22, 2011
    Publication date: July 11, 2013
    Applicant: CHIRALGEN, LTD.
    Inventors: Takeshi Wada, Mamoru Shimizu
  • Patent number: 8470987
    Abstract: A protective group represented by the following general formula (I) (the oxygen atom attached with * represents oxygen atom of 2?-hydroxyl group of a ribonucleoside, a ribonucleotide or a derivative thereof; R1 and R2 both represent hydrogen atom, or represent a halogen atom, a C1-6 alkyl group, or a C1-6 halo-substituted alkyl group; R3 and R4 represent hydrogen atom, a halogen atom, a C1-6 alkyl group, or a C1-6 halo-substituted alkyl group; and R5 and R6 represent a halogen atom, a C1-6 halo-substituted alkyl group, cyano group, nitro group, or the like), which is stable under the reaction conditions of the nucleic acid synthetic cycles and has little steric hindrance, and can be removed under mild conditions using fluoride ions as a base.
    Type: Grant
    Filed: September 15, 2010
    Date of Patent: June 25, 2013
    Assignee: Chiralgen, Ltd.
    Inventors: Takeshi Wada, Mamoru Shimizu
  • Publication number: 20110294124
    Abstract: Described herein are methods of syntheses of phosphorous atom-modified nucleic acids comprising chiral X-phosphonate moieties. The methods described herein provide backbone-modified nucleic acids in high diasteteomeric purity via an asymmetric reaction of an achiral molecule comprising a chemically stable H-phophonate moiety with a nucleoside/nucleotide.
    Type: Application
    Filed: December 2, 2009
    Publication date: December 1, 2011
    Inventors: Takeshi Wada, Mamoru Shimizu
  • Publication number: 20110178284
    Abstract: A protective group represented by the following general formula (I) (the oxygen atom attached with * represents oxygen atom of 2?-hydroxyl group of a ribonucleoside, a ribonucleotide or a derivative thereof; R1 and R2 both represent hydrogen atom, or represent a halogen atom, a C1-6 alkyl group, or a C1-6 halo-substituted alkyl group; R3 and R4 represent hydrogen atom, a halogen atom, a C1-6 alkyl group, or a C1-6 halo-substituted alkyl group; and R5 and R6 represent a halogen atom, a C1-6 halo-substituted alkyl group, cyano group, nitro group, or the like), which is stable under the reaction conditions of the nucleic acid synthetic cycles and has little steric hindrance, and can be removed under mild conditions using fluoride ions as a base.
    Type: Application
    Filed: September 15, 2010
    Publication date: July 21, 2011
    Applicant: CHIRALGEN, LTD.
    Inventors: Takeshi WADA, Mamoru SHIMIZU
  • Patent number: 6898476
    Abstract: The object of the present invention is to ensure information sharing in a factory and enhance the production efficiency. The management system of the present invention utilizes a liquid crystal projector PRJ to project an image of management information on a large-scaled display in the factory. A screen SCR is located at a specific position that allows each worker to simultaneously recognize the display and the object of the display (for example, in the case of a storehouse, the storage status of products). The contents of the display are varied according to the location of the display: for example, (1) instructions and actual conditions of storage of products in the storehouse; and (2) requirement of parts from assembly lines to a parts warehouse and status of delivery of parts from the parts warehouse.
    Type: Grant
    Filed: May 16, 2001
    Date of Patent: May 24, 2005
    Assignee: Seiko Epson Corporation
    Inventors: Kazuyoshi Watanabe, Takashi Oguchi, Mitsuaki Maruyama, Mamoru Shimizu, Taketoshi Ichikawa