Patents by Inventor Masaaki Tsukase

Masaaki Tsukase 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: 20190081250
    Abstract: The present invention provides a photoelectric conversion element having a photoelectric conversion film which exhibits excellent photoelectric conversion efficiency and responsiveness, an imaging device, an optical sensor, and a method of using a photoelectric conversion element. In the photoelectric conversion element of the invention, a photoelectric conversion material contains at least one selected from the group consisting of a compound represented by General formula (1), a compound represented by General formula (2), and a compound represented by General formula (3).
    Type: Application
    Filed: November 9, 2018
    Publication date: March 14, 2019
    Applicant: FUJIFILM Corporation
    Inventors: Tomoaki YOSHIOKA, Masaaki TSUKASE, Takahiko ICHIKI, Daigo SAWAKI
  • Patent number: 10177320
    Abstract: The present invention provides a photoelectric conversion element having a photoelectric conversion film which exhibits excellent photoelectric conversion efficiency and responsiveness, an imaging device, an optical sensor, and a method of using a photoelectric conversion element. In the photoelectric conversion element of the invention, a photoelectric conversion material contains at least one selected from the group consisting of a compound represented by General formula (1), a compound represented by General formula (2), and a compound represented by General formula (3).
    Type: Grant
    Filed: September 24, 2015
    Date of Patent: January 8, 2019
    Assignee: FUJIFILM Corporation
    Inventors: Tomoaki Yoshioka, Masaaki Tsukase, Takahiko Ichiki, Daigo Sawaki
  • Patent number: 9997721
    Abstract: An object of the invention is to provide: a photoelectric conversion material which has excellent deposition stability such that when the photoelectric conversion material is used in a photoelectric conversion element, the change in the performance of the element due to variations in the concentration of the photoelectric conversion material is small; a photoelectric conversion element using the photoelectric conversion material; and an optical sensor and an imaging element including the photoelectric conversion element. The photoelectric conversion material of the invention is a compound (A) expressed by the following Formula (1).
    Type: Grant
    Filed: February 1, 2016
    Date of Patent: June 12, 2018
    Assignee: FUJIFILM Corporation
    Inventors: Yosuke Yamamoto, Masaaki Tsukase, Tomoaki Yoshioka, Naoyuki Hanaki, Takahiko Ichiki, Daigo Sawaki
  • Patent number: 9798044
    Abstract: There is provided an organic nonlinear optical material including a polymer binder and a compound represented by the following Formula (I): wherein, in Formula (I), R1 and R2 each independently represent a substituted or unsubstituted alkyl group or a substituted or unsubstituted aryl group; R3 represents a hydrogen atom, a substituted or unsubstituted alkyl group, or a substituted or unsubstituted aryl group; and L represents a divalent linking group connecting a nitrogen atom and an oxopyrroline ring having a dicyanomethylidene group in a ?-conjugated system containing an azo group (—N?N—).
    Type: Grant
    Filed: September 26, 2014
    Date of Patent: October 24, 2017
    Assignee: FUJIFILM Corporation
    Inventors: Akihiro Kaneko, Masaaki Tsukase, Masataka Satou
  • Publication number: 20170081517
    Abstract: The present disclosure provides a compound represented by the following formula (1).
    Type: Application
    Filed: December 2, 2016
    Publication date: March 23, 2017
    Inventors: Yasuhiro ISHIWATA, Masaaki TSUKASE
  • Patent number: 9481658
    Abstract: An optical film including at least one compound represented by formula (1) is disclosed. In the formula, Y11, Y12 and Y13 each independently represent methine or a nitrogen atom; R11, R12 and R13 each independently represent formula (A), (B) or (C) or a hydrogen atom, provided that at least two of R11, R12 and R13 each independently represent formula (A), (B) or (C). In the formulae, L12, L22, and L32 each represent a 5-membered heterocyclic group.
    Type: Grant
    Filed: November 21, 2014
    Date of Patent: November 1, 2016
    Assignee: FUJIFILM Corporation
    Inventors: Ryo Hamasaki, Hideyuki Nishikawa, Makoto Takahashi, Takashi Miyahara, Masuji Motoki, Masaaki Tsukase
  • Publication number: 20160149144
    Abstract: An object of the invention is to provide: a photoelectric conversion material which has excellent deposition stability such that when the photoelectric conversion material is used in a photoelectric conversion element, the change in the performance of the element due to variations in the concentration of the photoelectric conversion material is small; a photoelectric conversion element using the photoelectric conversion material; and an optical sensor and an imaging element including the photoelectric conversion element. The photoelectric conversion material of the invention is a compound (A) expressed by the following Formula (1).
    Type: Application
    Filed: February 1, 2016
    Publication date: May 26, 2016
    Applicant: FUJIFILM Corporation
    Inventors: Yosuke YAMAMOTO, Masaaki TSUKASE, Tomoaki YOSHIOKA, Naoyuki HANAKI, Takahiko ICHIKI, Daigo SAWAKI
  • Publication number: 20160013426
    Abstract: The present invention provides a photoelectric conversion element having a photoelectric conversion film which exhibits excellent photoelectric conversion efficiency and responsiveness, an imaging device, an optical sensor, and a method of using a photoelectric conversion element. In the photoelectric conversion element of the invention, a photoelectric conversion material contains at least one selected from the group consisting of a compound represented by General formula (1), a compound represented by General formula (2), and a compound represented by General formula (3).
    Type: Application
    Filed: September 24, 2015
    Publication date: January 14, 2016
    Applicant: FUJIFILM CORPORATION
    Inventors: Tomoaki YOSHIOKA, Masaaki TSUKASE, Takahiko ICHIKI, Daigo SAWAKI
  • Publication number: 20150080582
    Abstract: An optical film including at least one compound represented by formula (1) is disclosed. In the formula, Y11, Y12 and Y13 each independently represent methine or a nitrogen atom; R11, R12 and R13 each independently represent formula (A), (B) or (C) or a hydrogen atom, provided that at least two of R11, R12 and R13 each independently represent formula (A), (B) or (C). In the formulae, L12, L22, and L32 each represent a 5-membered heterocyclic group.
    Type: Application
    Filed: November 21, 2014
    Publication date: March 19, 2015
    Applicant: FUJIFILM Corporation
    Inventors: Ryo HAMASAKI, Hideyuki Nishikawa, Makoto Takahashi, Takashi Miyahara, Masuji Motoki, Masaaki Tsukase
  • Patent number: 8981108
    Abstract: An optical film including at least one compound represented by formula (1) is disclosed. In the formula, Y11, Y12 and Y13 each independently represent methine or a nitrogen atom; R11, R12 and R13 each independently represent formula (A), (B) or (C) or a hydrogen atom, provided that at least two of R11, R12 and R13 each independently represent formula (A), (B) or (C). In the formulae, L12, L22, and L32 each represent a 5-membered heterocyclic group.
    Type: Grant
    Filed: July 30, 2013
    Date of Patent: March 17, 2015
    Assignee: FUJIFILM Corporation
    Inventors: Ryo Hamasaki, Hideyuki Nishikawa, Makoto Takahashi, Takashi Miyahara, Masuji Motoki, Masaaki Tsukase
  • Publication number: 20150014607
    Abstract: There is provided an organic nonlinear optical material including a polymer binder and a compound represented by the following Formula (I): wherein, in Formula (I), R1 and R2 each independently represent a substituted or unsubstituted alkyl group or a substituted or unsubstituted aryl group; R3 represents a hydrogen atom, a substituted or unsubstituted alkyl group, or a substituted or unsubstituted aryl group; and L represents a divalent linking group connecting a nitrogen atom and an oxopyrroline ring having a dicyanomethylidene group in a ?-conjugated system containing an azo group (—N?N—).
    Type: Application
    Filed: September 26, 2014
    Publication date: January 15, 2015
    Applicant: FUJIFILM CORPORATION
    Inventors: Akihiro KANEKO, Masaaki TSUKASE, Masataka SATOU
  • Publication number: 20140374733
    Abstract: An object of the present invention is to provide a photoelectric conversion element having a photoelectric conversion film which exhibits heat resistance, a high photoelectric conversion efficiency, a low level of dark currents, rapid response, and sensitivity characteristics to red and can be produced by a vapor deposition processing that is continuously performed under a high-temperature condition. The photoelectric conversion element of the present invention is a photoelectric conversion element in which a conductive film, a photoelectric conversion film containing a photoelectric conversion material, and a transparent conductive film are laminated on one another in this order, wherein the photoelectric conversion material includes a compound represented by Formula (1).
    Type: Application
    Filed: September 5, 2014
    Publication date: December 25, 2014
    Applicant: FUJIFILM Corporation
    Inventors: Yuki HIRAI, Yosuke YAMAMOTO, Tomoaki YOSHIOKA, Eiji FUKUZAKI, Katsuyuki YOFU, Masaaki TSUKASE, Mitsumasa HAMANO, Takahiko ICHIKI
  • Publication number: 20130317229
    Abstract: An optical film comprising at least one compound represented by formula (1) is disclosed. In the formula, Y11, Y12 and Y13 each independently represent methine or a nitrogen atom; R11, R12 and R13 each independently represent formula (A), (B) or (C) or a hydrogen atom, provided that at least two of R11, R12 and R13 each independently represent formula (A), (B) or (C). In the formulae, L12, L22, L32 each represent a 5-membered heterocyclic group.
    Type: Application
    Filed: July 30, 2013
    Publication date: November 28, 2013
    Applicant: FUJIFILM Corporation
    Inventors: Ryo Hamasaki, Hideyuki Nishikawa, Makoto Takahashi, Takashi Miyahara, Masuji Motoki, Masaaki Tsukase
  • Patent number: 8524334
    Abstract: An optical film comprising at least one compound represented by formula (1) is disclosed. In the formula, Y11, Y12 and Y13 each independently represent methine or a nitrogen atom; R11, R12 and R13 each independently represent formula (A), (B) or (C) or a hydrogen atom, provided that at least two of R11, R12 and R13 each independently represent formula (A), (B) or (C). In the formulae, L12, L22, and L32 each represent a 5-membered heterocyclic group.
    Type: Grant
    Filed: March 18, 2010
    Date of Patent: September 3, 2013
    Assignee: FUJIFILM Corporation
    Inventors: Ryo Hamasaki, Hideyuki Nishikawa, Makoto Takahashi, Takashi Miyahara, Masuji Motoki, Masaaki Tsukase
  • Patent number: 7896931
    Abstract: The present invention relates to a hair dye composition containing a dissociative azo dye which has high dyeing power, is capable of imparting a vivid color to the hair firmly, has excellent fastness to light, shampooing, sweat, friction, and heat, and fades less with the passage of time because the dye is stable against an alkali agent or an oxidizing agent and does not decompose during hair dyeing; and a hair dyeing method using the hair dye composition.
    Type: Grant
    Filed: June 27, 2008
    Date of Patent: March 1, 2011
    Assignees: Kao Corporation, FUJIFILM Corporation
    Inventors: Masakazu Yamaguchi, Osamu Takiguchi, Masaaki Tsukase, Yasuhiro Ishiwata
  • Patent number: 7824449
    Abstract: A hair dye composition containing a triazene dissociative direct dye represented by general formula (1): A-N?N—NH-B (1) wherein A and B are each a monocyclic or a bicyclic aromatic heterocyclic group that may have a substituent or a monocyclic or a bicyclic aryl group that may have a substituent and contain none of a carboxy group, a sulfo group and a quaternary ammonium group; and A and B each bind to a triazene-1,3-diyl group represented by —N?N—NH— via a carbon atom within A and B each. A and B may be the same or different.
    Type: Grant
    Filed: April 25, 2008
    Date of Patent: November 2, 2010
    Assignees: Kao Corporation, FUJIFILM Corporation
    Inventors: Miyuki Hayama, Osamu Takiguchi, Yoshimasa Tate, Masaaki Tsukase
  • Publication number: 20100239788
    Abstract: An optical film comprising at least one compound represented by formula (1) is disclosed. In the formula, Y11, Y12 and Y13 each independently represent methine or a nitrogen atom; R11, R12 and R13 each independently represent formula (A), (B) or (C) or a hydrogen atom, provided that at least two of R11, R12 and R13 each independently represent formula (A), (B) or (C). In three formulae, L12, L22 and L32 each represent a 5-membered heterocyclic group.
    Type: Application
    Filed: March 18, 2010
    Publication date: September 23, 2010
    Applicant: FUJIFILM Corporation
    Inventors: Ryo HAMASAKI, Hideyuki Nishikawa, Makoto Takahashi, Takashi Miyahara, Masuji Motoki, Masaaki Tsukase
  • Publication number: 20100146716
    Abstract: A hair dye composition containing an azo dye represented by any one of the formulas (1) to (5): [wherein R1, R2a, and R2b each represents a hydrogen atom or a substituent, A and A? each represents an aromatic heterocyclic residue (having a free valence at carbon atom thereof) and these groups have, in the structure thereof, none of a carboxy group, a sulfo group, and a quaternary ammonium group]; [R represents a coupler component, X1 to X4 represent atoms coupled together with the carbon atom sandwiched between X1 and X4 to form a 5-membered heteroaromatic ring, V1 and V2 each represents a substituent, and a1 and a2 each stands for from 0 to 3]; and [R3 represents a hydroxy group, an alkylsulfonylamino group, an arylsulfonylamino group, or —CH(R4)(R5) (R4 and R5 each representing a substituent having a Hammett's constant ? of 0.2 or greater and less than 1.
    Type: Application
    Filed: June 27, 2008
    Publication date: June 17, 2010
    Applicants: KAO CORPORATION, FUJIFILM CORPORATION
    Inventors: Masakazu Yamaguchi, Osamu Takiguchi, Masaaki Tsukase, Yasuhiro Ishiwata
  • Publication number: 20100115710
    Abstract: A hair dye composition containing a triazene dissociative direct dye represented by general formula (1): A—N=N—NH—B (1) wherein A and B are each a monocyclic or a bicyclic aromatic heterocyclic group that may have a substituent or a monocyclic or a bicyclic aryl group that may have a substituent and contain none of a carboxy group, a sulfo group and a quaternary ammonium group; and A and B each bind to a triazene-1,3-diyl group represented by —N=N—NH— via a carbon atom within A and B each. A and B may be the same or different.
    Type: Application
    Filed: April 25, 2008
    Publication date: May 13, 2010
    Applicants: Kao Corporation, FujiFilm Corporation
    Inventors: Miyuki Hayama, Osamu Takiguchi, Yoshimasa Tate, Masaaki Tsukase
  • Publication number: 20080090174
    Abstract: An optical recording medium comprising a substrate having thereon a recording layer containing at least two kinds of dye A and dye B, wherein dye A and dye B satisfy the following conditions (1) and (2): (1) the starting temperature of decomposition is from 150 to 250° C., (2) refractive index n(A) and extinction coefficient k(A) of dye A at the wavelength of recording laser ray, and refractive index n(B) and extinction coefficient k(B) of dye B at the same wavelength satisfy the following expressions: n(B)/n(A)>0.7 k(B)/k(A)>10.
    Type: Application
    Filed: June 22, 2005
    Publication date: April 17, 2008
    Inventors: Hisashi Mikoshiba, Masuji Motoki, Michihiro Shibata, Kazumi Nii, Osahiko Tanaka, Masaaki Tsukase