Patents by Inventor Daisuke Kitazawa

Daisuke Kitazawa 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: 20210015107
    Abstract: An agricultural or horticultural composition is provided. A composition containing a culture broth of a Bacillus bacterium having prephenate dehydratase (PD) resistant to feedback inhibition by phenylalanine.
    Type: Application
    Filed: September 29, 2020
    Publication date: January 21, 2021
    Applicant: AJINOMOTO CO., INC.
    Inventors: Yuta Nagasaka, Daisuke Kitazawa, Kenichi Kaida, Atsushi Hayakawa, Daisuke Igarashi, Natalia Sergeevna Eremina, Natalia Viktorovna Stoynova, Kseniia Viktorovna Emelina
  • Patent number: 10584202
    Abstract: A photovoltaic element has excellent durability owing to an electron extraction layer in which an inorganic compound and an electron-donating group are more firmly bonded to each other, and includes at least a cathode, an electron extraction layer, a photoelectric conversion layer and an anode in this order, the electron extraction layer containing an inorganic compound (A), and an organic compound (B) having an electron-donating group and a bonding group, the electron extraction layer having an inorganic/organic hybrid structure in which the inorganic compound (A) and at least a part of the organic compound (B) are bonded to each other via the bonding group.
    Type: Grant
    Filed: April 7, 2015
    Date of Patent: March 10, 2020
    Assignee: Toray Industries, Inc
    Inventors: Shuhei Yamamoto, Satoru Shimomura, Daisuke Kitazawa
  • Patent number: 10388876
    Abstract: A photovoltaic element has high photoelectric conversion efficiency as well as excellent processing properties/low environmental load. The organic semiconductor composition includes as an additive a compound in which one or two aromatic rings are substituted with a predetermined number of alkyl groups, alkoxy groups, alkanoyl groups, or thioalkyl groups. There is also a method of manufacturing a photovoltaic element which uses the composition.
    Type: Grant
    Filed: September 30, 2015
    Date of Patent: August 20, 2019
    Assignee: Toray Industries, Inc.
    Inventors: Shuhei Yamamoto, Daisuke Kitazawa
  • Publication number: 20190221052
    Abstract: A vehicle operation management system includes: multiple vehicle management devices that are respectively mounted on vehicles; and a center management device that is disposed at an operation management center and is communicable with the vehicle management devices. The vehicle management device includes: a vehicle information acquisition section; an image acquisition section; a driver's condition determination section; and an information transmitter. The center management device includes: an information receiver; an information display section; and a speech section.
    Type: Application
    Filed: March 26, 2019
    Publication date: July 18, 2019
    Inventors: Daisuke KITAZAWA, Keiji OKAMOTO, Kimiaki TANAKA
  • Publication number: 20190088880
    Abstract: A photovoltaic element includes at least a cathode, a photoelectric conversion layer, a hole extraction layer, and an anode in this order, the hole extraction layer containing a hole transporting material and a compound represented by formula (1) or (2): wherein, in formula (1), R1 represents an alkyl group having 8 to 14 carbon atoms or an alkanoyl group having 8 to 14 carbon atoms, and n represents a natural number of 1 to 9; and in formula (2), R2 represents an alkenyl group, and m represents a natural number.
    Type: Application
    Filed: March 13, 2017
    Publication date: March 21, 2019
    Inventors: Keisuke Asaka, Shuhei Yamamoto, Daisuke Kitazawa
  • Publication number: 20180240977
    Abstract: A photovoltaic element has high photoelectric conversion efficiency as well as excellent processing properties/low environmental load. The organic semiconductor composition includes as an additive a compound in which one or two aromatic rings are substituted with a predetermined number of alkyl groups, alkoxy groups, alkanoyl groups, or thioalkyl groups. There is also a method of manufacturing a photovoltaic element which uses the composition.
    Type: Application
    Filed: September 30, 2015
    Publication date: August 23, 2018
    Inventors: Shuhei Yamamoto, Daisuke Kitazawa
  • Publication number: 20170033304
    Abstract: A photovoltaic element has excellent durability owing to an electron extraction layer in which an inorganic compound and an electron-donating group are more firmly bonded to each other, and includes at least a cathode, an electron extraction layer, a photoelectric conversion layer and an anode in this order, the electron extraction layer containing an inorganic compound (A), and an organic compound (B) having an electron-donating group and a bonding group, the electron extraction layer having an inorganic/organic hybrid structure in which the inorganic compound (A) and at least a part of the organic compound (B) are bonded to each other via the bonding group.
    Type: Application
    Filed: April 7, 2015
    Publication date: February 2, 2017
    Inventors: Shuhei Yamamoto, Satoru Shimomura, Daisuke Kitazawa
  • Patent number: 9331282
    Abstract: The objective of the present invention is to provide a photovoltaic device which has high photoelectric conversion efficiency and an electron-donating organic material which comprises a conjugate polymer having a structure of a thieno[3,4-b?]thiophene skeleton with an alkoxycarbonyl group in which a specific alkyl group part is a straight chain alkyl group or an alkanoyl group in which the alkyl group part is a straight chain alkyl group and a benzo[1,2-b:4, 5-b?]dithiophene skeleton with a heteroaryl group.
    Type: Grant
    Filed: September 6, 2013
    Date of Patent: May 3, 2016
    Assignee: Toray Industries, Inc.
    Inventors: Nobuhiro Watanabe, Daisuke Kitazawa, Shuhei Yamamoto, Satoru Shimomura
  • Patent number: 9205576
    Abstract: There is provided a measuring apparatus including: an imaging optical system configured to form an image of an object to be measured; and an imaging section including a transmissive member which is arranged in the vicinity of an image plane of the imaging optical system to be inclined with respect an optical axis of the imaging optical system. The imaging optical system includes a first optical member which is non-coaxial with respect to the optical axis.
    Type: Grant
    Filed: February 6, 2013
    Date of Patent: December 8, 2015
    Assignee: NIKON CORPORATION
    Inventors: Daisuke Kitazawa, Patrick Blanckaert
  • Publication number: 20150249214
    Abstract: A photovoltaic device has high photoelectric conversion efficiency and an electron-donating organic material including a conjugate polymer having a structure of a thieno[3,4-b]thiophene skeleton with an alkoxycarbonyl group in which a specific alkyl group part is a straight chain alkyl group or an alkanoyl group in which the alkyl group part is a straight chain alkyl group and a benzo[1,2-b:4, 5-b?]dithiophene skeleton with a heteroaryl group.
    Type: Application
    Filed: September 6, 2013
    Publication date: September 3, 2015
    Applicant: Toray Industries, Inc.
    Inventors: Nobuhiro Watanabe, Daisuke Kitazawa, Shuhei Yamamoto, Satoru Shimomura
  • Publication number: 20150194607
    Abstract: A photovoltaic element includes at least an anode, a photoelectric conversion layer, an electron extraction layer and a cathode in this order, wherein the electron extraction layer contains a compound represented by formula (1): R—X?M+??(1) wherein R is selected from among hydrogen, and alkyl group which may have a substituent, X? is selected from among —COO?, —SO3?, —PO4H?, —PO42?, —O—SO3?, and M is selected from among alkali metals, alkaline-earth metals, and ammonium ion.
    Type: Application
    Filed: May 27, 2013
    Publication date: July 9, 2015
    Inventors: Satoru Shimomura, Shuhei Yamamoto, Daisuke Kitazawa
  • Patent number: 8558108
    Abstract: An electron donating organic material includes a benzothiadiazole compound including (a) a benzothiadiazole skeleton and (b) an oligothiophene skeleton, and having a band gap (Eg) of 1.8 eV or less, and a level of highest occupied molecular orbital (HOMO) of ?4.8 eV or less, wherein said benzothiadiazole compound is formed by covalently combining the benzothiadiazole skeleton and the oligothiophene skeleton alternately, a proportion between the benzothiadiazole skeleton and the oligothiophene skeleton is within a range of 1:1 to 1:2 (however, excluding 1:1), and the number of thiophene rings contained in an oligothiophene skeleton is 3 or more and 12 or less.
    Type: Grant
    Filed: March 13, 2009
    Date of Patent: October 15, 2013
    Assignee: Toray Industries, Inc.
    Inventors: Daisuke Kitazawa, Shuhei Yamamoto, Jun Tsukamoto
  • Patent number: 8530889
    Abstract: A carbon nanotube composite in which a conjugated polymer containing repeating units containing a fused heteroaryl unit having a nitrogen-containing double bond in the ring, and a thiophene unit is attached to at least a part of the surface of a carbon nanotube. The present invention reduces the hysteresis of a field-effect transistor having a semiconductor layer containing a carbon nanotube.
    Type: Grant
    Filed: May 11, 2009
    Date of Patent: September 10, 2013
    Assignee: Toray Industries, Inc.
    Inventors: Yukari Jo, Seiichiro Murase, Daisuke Kitazawa, Jun Tsukamoto
  • Patent number: 8501901
    Abstract: A photovoltaic device has a high photoelectric conversion efficiency with a material for a photovoltaic device including an electron donating organic material having a structure represented by Formula (1):
    Type: Grant
    Filed: January 20, 2010
    Date of Patent: August 6, 2013
    Assignee: Toray Industries, Inc.
    Inventors: Daisuke Kitazawa, Shuhei Yamamoto, Nobuhiro Watanabe, Jun Tsukamoto
  • Patent number: 8269099
    Abstract: A photovoltaic device with high photoelectric conversion efficiency includes an electron donating organic material for photovoltaic devices containing a conjugated polymer represented by formula (1): wherein R1 to R10 may be the same or different from each other and are each selected from the group consisting of hydrogen, an alkyl group, an alkoxy group and an aryl group; R11 and R12 may be the same or different from each other and are each selected from the group consisting of hydrogen, an alkyl group, an aryl group, a heteroaryl group and halogen; W, X, Y and Z may be the same or different from each other and are each selected from the group consisting of a single bond, an arylene group, a heteroarylene group, an ethenylene group, and an ethynylene group; m is 0 or 1; n is within a range of 1 to 1000.
    Type: Grant
    Filed: October 4, 2007
    Date of Patent: September 18, 2012
    Assignee: Toray Industries, Inc.
    Inventors: Daisuke Kitazawa, Jun Tsukamoto, Yukari Jo
  • Publication number: 20120138907
    Abstract: Embodiments provide a light emitting device material characterized by containing an anthracene compound represented by the following general formula. where R19 to R37 are a hydrogen atom, alkyl group, cycloalkyl group, heterocyclic group or the like; n is 1 or 2; and A is a heteroarylene group or arylene group. Any one of the R19 to R27 and any one of the R28 to R37 are used for linking with A. The present teachings allow a light emitting device having high luminous efficiency and excellent durability.
    Type: Application
    Filed: November 23, 2011
    Publication date: June 7, 2012
    Applicant: TORAY INDUSTRIES, INC.
    Inventors: Seiichiro MURASE, Daisuke KITAZAWA, Kazumasa NAGAO, Kazunori SUGIMOTO, Tsuyoshi TOMINAGA
  • Publication number: 20120129695
    Abstract: A method of producing a plant biostimulant includes hydrolyzing bacterial cells to obtain a hydrolysate and formulating the hydrolysate as a plant biostimulant for foliar application or application as a soil adjuvant.
    Type: Application
    Filed: November 17, 2011
    Publication date: May 24, 2012
    Applicant: AJINOMOTO NORTH AMERICA, INC
    Inventors: Shinya TACHIBANA, Paul SUMMER, Jessica EWING, Tetsuya MIWA, Daisuke KITAZAWA
  • Patent number: 8114529
    Abstract: The invention provides a light emitting device having a low driving voltage and excellent durability by a material for a light emitting device expressed by the general formula (1): wherein each of R1, R2, R3, R4, R5 and R6 may be the same or different and is selected from hydrogen, an alkyl group, and an aryl group, A represents an n-valent aromatic hydrocarbon group, B represents an alkyl group or an aryl group, X represents carbon or nitrogen, n represents a natural number from 2 to 6, and n substituents having a phenanthroline skeleton or a benzoquinoline skeleton may be the same or different.
    Type: Grant
    Filed: August 23, 2004
    Date of Patent: February 14, 2012
    Inventors: Daisuke Kitazawa, Tsuyoshi Tominaga, Mariko Sano, Takeshi Ishigaki, Kazunori Sugimoto
  • Patent number: 8111652
    Abstract: A base station comprises a packet classification unit configured to classify packets received/transmitted from/to a plurality of mobile stations into a quantitative guarantee type packet having a request value for communication quality or a relative guarantee type packet not having the request value, and a transmission order controller configured to control a transmission order of the packets for every classified quantitative guarantee type packet and every classified relative guarantee type packet.
    Type: Grant
    Filed: October 16, 2003
    Date of Patent: February 7, 2012
    Assignee: NTT DoCoMo, Inc.
    Inventors: Daisuke Kitazawa, Lan Chen, Hidetoshi Kayama, Narumi Umeda
  • Patent number: 8084146
    Abstract: The present invention is a light emitting device material characterized by containing an anthracene compound represented by the following general formula (1), and the present invention allows a light emitting device having high luminous efficiency and excellent durability. (R1 to R10 are a hydrogen atom, alkyl group, cycloalkyl group, heterocyclic group or the like.
    Type: Grant
    Filed: May 19, 2005
    Date of Patent: December 27, 2011
    Assignee: Toray Industries, Inc.
    Inventors: Seiichiro Murase, Daisuke Kitazawa, Kazumasa Nagao, Kazunori Sugimoto, Tsuyoshi Tominaga