Patents by Inventor Masashi Hirose

Masashi Hirose 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: 20240141314
    Abstract: The information processing device includes: a cultivation information acquisition unit configured to acquire cultivation information of a cell; and a recommended condition setting unit configured to set a recommended condition for detaching the cell from a to be-processed vessel in which the cell is cultured, the cultivation information including information about the to-be-processed vessel, the recommended condition being a condition for detaching the cell by applying vibration to the to-be-processed vessel, the recommended condition setting unit being configured to set the recommended condition based on the cultivation information, with use of information concerning an association relationship between information about a cultivation condition and information about a detachment condition, the information about the cultivation condition including information about a culture vessel, the information about the detachment condition including information about a condition for applying vibration to the culture vess
    Type: Application
    Filed: October 17, 2023
    Publication date: May 2, 2024
    Inventors: KENJIRO TAKEMURA, YUTA KURASHINA, CHIKAHIRO IMASHIRO, KAZUNORI NOGUCHI, MASASHI HIROSE, KATSUHISA YAMAZAKI, KEIICHIRO TSUBAKI, SUGURU WATANABE, AKIRA SUGIYAMA, KENICHI KAKU, RYUICHI OTSU, YUKARI NAKASHOJI, TAKAAKI FURUI, TATSUO FURUTA, HITOMI TOKUTAKE
  • Publication number: 20240141281
    Abstract: The information processing device includes: a cultivation information acquisition unit configured to acquire cultivation information of a cell; and a recommended condition generation unit configured to generate a recommended condition for detaching the cell from a to-be-processed vessel in which the cell is cultured, the cultivation information including information about the to-be-processed vessel, the recommended condition being a condition for detaching the cell by applying vibration to the to-be-processed vessel, the recommended condition generation unit being configured to generate the recommended condition based on the cultivation information, with use of a learned model, the learned model being learned with use of information about a cultivation condition and information about a detachment condition, the information about the cultivation condition including information about a culture vessel, the information about the detachment condition including information about a condition for applying vibration t
    Type: Application
    Filed: October 23, 2023
    Publication date: May 2, 2024
    Inventors: KENJIRO TAKEMURA, YUTA KURASHINA, CHIKAHIRO IMASHIRO, KAZUNORI NOGUCHI, KATSUHISA YAMAZAKI, MASASHI HIROSE, KEIICHIRO TSUBAKI, SUGURU WATANABE, AKIRA SUGIYAMA, KENICHI KAKU, TAKAAKI FURUI, TATSUO FURUTA, HITOMI TOKUTAKE, RYUICHI OTSU, YUKARI NAKASHOJI
  • Patent number: 11079695
    Abstract: Provided is a toner external additive containing a base material, wherein the base material is surface-treated with an isocyanurate ring-bearing silane coupling agent, and a toner including a toner particle and a toner external additive on a surface of the toner particle, wherein the toner external additive is the aforementioned toner external additive.
    Type: Grant
    Filed: March 16, 2020
    Date of Patent: August 3, 2021
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Kazuyuki Sato, Masao Suzuki, Masashi Hirose
  • Publication number: 20200301303
    Abstract: Provided is a toner external additive containing a base material, wherein the base material is surface-treated with an isocyanurate ring-bearing silane coupling agent, and a toner including a toner particle and a toner external additive on a surface of the toner particle, wherein the toner external additive is the aforementioned toner external additive.
    Type: Application
    Filed: March 16, 2020
    Publication date: September 24, 2020
    Inventors: Kazuyuki Sato, Masao Suzuki, Masashi Hirose
  • Patent number: 10087328
    Abstract: A compound that improves the dispersibility of pigments in non-water-soluble solvents is provided, the compound having a pigment dispersant, a pigment composition, a pigment dispersion, and a toner wherein the compound has a polymer and a monoazo compound having a certain structure binding to each other.
    Type: Grant
    Filed: August 28, 2014
    Date of Patent: October 2, 2018
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yasuaki Murai, Yuki Tsujii, Waka Hasegawa, Ayano Mashida, Kosuke Mukumoto, Takayuki Toyoda, Masashi Kawamura, Chiaki Nishiura, Masanori Seki, Masashi Hirose
  • Patent number: 9926450
    Abstract: The present invention provides a compound capable of improving the dispersibility of color pigments in a water-insoluble solvent; and a pigment-dispersing agent. The present invention also provides a pigment composition, a pigment dispersion, and a toner, which have satisfactory tinting strength. The present invention provides the compound containing a polymer having a monomer unit having a specific chemical structure, the compound having a moiety also having a specific structure.
    Type: Grant
    Filed: August 27, 2014
    Date of Patent: March 27, 2018
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Masashi Kawamura, Yasuaki Murai, Kosuke Mukumoto, Yuki Tsujii, Ayano Mashida, Waka Hasegawa, Masanori Seki, Takayuki Toyoda, Chiaki Nishiura, Masashi Hirose
  • Patent number: 9834683
    Abstract: The present invention provides a compound and a pigment dispersant, each of which improves the dispersibility of various types of pigments in a non-aqueous solvent and also provides a pigment composition, a pigment dispersion, and a toner, each of which has a preferable coloring power. The compound includes a polymer which has a monomer unit having a specific structure and also includes a specific partial structure.
    Type: Grant
    Filed: August 27, 2014
    Date of Patent: December 5, 2017
    Assignee: Canon Kabushiki Kaisha
    Inventors: Chiaki Nishiura, Yuki Tsujii, Yasuaki Murai, Takayuki Toyoda, Waka Hasegawa, Masanori Seki, Masashi Kawamura, Masashi Hirose, Ayano Mashida
  • Patent number: 9801960
    Abstract: Provided is a novel probe for a biological specimen for labelling by itself and clearly visualizing one of a specific cell and a specific cell organ in a living body, the probe having excellent spectral characteristics and exhibiting excellent storage stability. The probe for a biological specimen contains, as an active agent, at least one kind of compound represented by a general formula (I).
    Type: Grant
    Filed: February 17, 2015
    Date of Patent: October 31, 2017
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Taichi Shintou, Takeshi Miyazaki, Masashi Hirose, Taketoshi Okubo, Kohei Watanabe, Tsuyoshi Nomoto, Toshio Tanaka, Yuhei Nishimura, Yasuhito Shimada, Norihiro Nishimura
  • Patent number: 9777087
    Abstract: A polymer including a unit having a phthalocyanine structure, the polymer having a high capability of dispersing pigments. A pigment composition, a pigment dispersion, and a toner all having a high tinting strength.
    Type: Grant
    Filed: February 25, 2016
    Date of Patent: October 3, 2017
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yasuaki Murai, Osamu Matsushita, Takayuki Toyoda, Waka Hasegawa, Ayano Mashida, Kosuke Mukumoto, Masashi Hirose
  • Patent number: 9715187
    Abstract: Provided are a method of producing a compound having a colorant structure suitable for a pigment dispersant, and a pigment dispersant, a pigment composition, a pigment dispersion, and a toner each containing the compound. The production method is a method of producing a compound in which a polymer portion and a colorant portion are bonded to each other through a linking group, the method including the steps of: (a) polymerizing a vinyl-based polymerizable monomer represented by the formula (A) with a radical initiator having a protective group by living radical polymerization to provide a polymer having the protective group at a terminal thereof; (b) hydrolyzing the protective group of the polymer having the protective group at a terminal thereof obtained by the step (a) to deprotect the polymer; and (c) bonding the deprotected polymer obtained by the step (b) and a colorant to each other through a covalent bond.
    Type: Grant
    Filed: March 30, 2015
    Date of Patent: July 25, 2017
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Kosuke Mukumoto, Yasuaki Murai, Yuki Hasegawa, Takayuki Toyoda, Ayano Mashida, Waka Hasegawa, Chiaki Nishiura, Masanori Seki, Masashi Hirose
  • Patent number: 9625845
    Abstract: The present invention provides a compound capable of improving the dispersibility of yellow, magenta, cyan, and black pigments in a water-insoluble solvent and a pigment-dispersing agent. The present invention also provides a pigment composition, a pigment dispersion, and a toner, which have satisfactory tinting strength. The present invention relates to a compound having a structure in which an azo skeleton structure is bound to a polymer portion via a linking group in the azo skeleton structure.
    Type: Grant
    Filed: April 24, 2014
    Date of Patent: April 18, 2017
    Assignee: Canon Kabushiki Kaisha
    Inventors: Ayano Mashida, Yasuaki Murai, Waka Hasegawa, Masanori Seki, Takayuki Toyoda, Masashi Kawamura, Chiaki Nishiura, Yuki Tsujii, Taiki Watanabe, Masashi Hirose
  • Patent number: 9618867
    Abstract: A pigment dispersion containing a pigment, a non-water-soluble solvent, a compound in which an specific azo skeleton structure is bonded to a specific polymer having a monomer unit given, and a polymer compound having a monomer unit that contains a structure selected from the partial structures given by the specific formulas (3) and (4).
    Type: Grant
    Filed: February 16, 2016
    Date of Patent: April 11, 2017
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Takayuki Toyoda, Yasuaki Murai, Waka Hasegawa, Masanori Seki, Chiaki Nishiura, Yuki Tsujii, Ayano Mashida, Masashi Hirose
  • Patent number: 9593243
    Abstract: Provided is a compound that improves dispersibility of a pigment in a non-water-soluble solvent, and a pigment dispersing agent, a pigment composition, a pigment dispersion and a toner that use that compound. The present invention relates to a compound in which a polymer and a monoazo compound having a specific structure are bonded. The present invention further relates to a pigment dispersing agent, a pigment composition, a pigment dispersion and a toner containing that compound.
    Type: Grant
    Filed: August 26, 2014
    Date of Patent: March 14, 2017
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Yuki Tsujii, Yasuaki Murai, Takayuki Toyoda, Waka Hasegawa, Masanori Seki, Chiaki Nishiura, Masashi Kawamura, Masashi Hirose, Ayano Mashida
  • Patent number: 9556290
    Abstract: To provide a method for producing a compound that enhances dispersibility of a pigment of respective colors in a water-insoluble solvent, as well as a pigment dispersant, and a pigment composition, a pigment dispersion and a toner having a good tinting power. A method for producing a compound, including the following: (i): subjecting a polymerizable monomer forming a monomer unit represented by formula (1) to radical polymerization in the presence of a radical polymerization initiator and an iodine molecule to provide a polymer; and (ii): binding a colorant to a terminal of a main chain of the polymer: wherein R1 represents a hydrogen atom and an alkyl group, and R2 represents a phenyl group, a carboxyl group, an alkoxycarbonyl group or a carboxamide group.
    Type: Grant
    Filed: March 30, 2015
    Date of Patent: January 31, 2017
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Chiaki Nishiura, Yuki Hasegawa, Ayano Mashida, Takayuki Toyoda, Masashi Hirose, Waka Hasegawa, Masanori Seki, Yasuaki Murai, Kosuke Mukumoto
  • Patent number: 9470995
    Abstract: To provide an azo compound which improves the dispersibility of an azo pigment in a non-water soluble solvent. The purpose is achieved by an azo compound having a specific structure in which a high molecular weight polymer unit is bonded.
    Type: Grant
    Filed: February 20, 2013
    Date of Patent: October 18, 2016
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masanori Seki, Yuki Hasegawa, Waka Hasegawa, Masashi Kawamura, Taiki Watanabe, Chiaki Nishiura, Takayuki Toyoda, Ayano Mashida, Yasuaki Murai, Masashi Hirose
  • Publication number: 20160280925
    Abstract: The present invention provides a compound capable of improving the dispersibility of color pigments in a water-insoluble solvent; and a pigment-dispersing agent. The present invention also provides a pigment composition, a pigment dispersion, and a toner, which have satisfactory tinting strength. The present invention provides the compound containing a polymer having a monomer unit having a specific chemical structure, the compound having a moiety also having a specific structure.
    Type: Application
    Filed: August 27, 2014
    Publication date: September 29, 2016
    Inventors: Masashi Kawamura, Yasuaki Murai, Kosuke Mukumoto, Yuki Tsujii, Ayano Mashida, Waka Hasegawa, Masanori Seki, Takayuki Toyoda, Chiaki Nishiura, Masashi Hirose
  • Publication number: 20160251465
    Abstract: A polymer including a unit having a phthalocyanine structure, the polymer having a high capability of dispersing pigments. A pigment composition, a pigment dispersion, and a toner all having a high tinting strength.
    Type: Application
    Filed: February 25, 2016
    Publication date: September 1, 2016
    Inventors: Yasuaki Murai, Osamu Matsushita, Takayuki Toyoda, Waka Hasegawa, Ayano Mashida, Kosuke Mukumoto, Masashi Hirose
  • Publication number: 20160246200
    Abstract: A pigment dispersion containing a pigment, a non-water-soluble solvent, a compound in which an specific azo skeleton structure is bonded to a specific polymer having a monomer unit given, and a polymer compound having a monomer unit that contains a structure selected from the partial structures given by the specific formulas (3) and (4).
    Type: Application
    Filed: February 16, 2016
    Publication date: August 25, 2016
    Inventors: Takayuki Toyoda, Yasuaki Murai, Waka Hasegawa, Masanori Seki, Chiaki Nishiura, Yuki Tsujii, Ayano Mashida, Masashi Hirose
  • Patent number: 9410038
    Abstract: There are provided a new compound which has the following general formula (1) and which is useful as a coloring material, an ink containing the compound, an ink cartridge containing the ink and an ink jet recording method including ejecting the ink from a recording head of an ink jet system to record an image on a recording medium.
    Type: Grant
    Filed: March 19, 2014
    Date of Patent: August 9, 2016
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masahiro Suenaga, Kaoru Takahashi, Yasuaki Murai, Takeshi Miyazaki, Yutaka Tani, Masashi Hirose, Ryosuke Nagao, Yoshio Kinoshita, Yoshihide Aikawa
  • Publication number: 20160208105
    Abstract: The present invention provides a compound and a pigment dispersant, each of which improves the dispersibility of various types of pigments in a non-aqueous solvent and also provides a pigment composition, a pigment dispersion, and a toner, each of which has a preferable coloring power. The compound includes a polymer which has a monomer unit having a specific structure and also includes a specific partial structure.
    Type: Application
    Filed: August 27, 2014
    Publication date: July 21, 2016
    Inventors: Chiaki Nishiura, Yuki Tsujii, Yasuaki Murai, Takayuki Toyoda, Waka Hasegawa, Masanori Seki, Masashi Kawamura, Masashi Hirose, Ayano Mashida