Patents by Inventor Kenichi Hamada

Kenichi Hamada 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: 11945213
    Abstract: A liquid discharge apparatus includes a conveying part configured to convey a medium in a conveying direction. A discharge head is configured to discharge a droplet onto a medium carried by the conveying part. A heating part is arranged at the downstream of the discharge head and configured to heat a medium while contacting with the medium attached with a droplet discharged by the discharge head. The heating part is arranged at a position contacting with at least part of the droplet present on the surface of the medium.
    Type: Grant
    Filed: February 2, 2023
    Date of Patent: April 2, 2024
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takuya Hamada, Kenichi Ogawa
  • Publication number: 20240085298
    Abstract: Provided are a particle measurement device and a particle measurement method capable of measuring a refractive index or a complex refractive index and a particle size distribution of a single type of particles included in a dispersion liquid.
    Type: Application
    Filed: November 22, 2023
    Publication date: March 14, 2024
    Applicant: FUJIFILM Corporation
    Inventors: Sohichiro NAKAMURA, Kenichi Hamada
  • Publication number: 20240077399
    Abstract: Provided are a light scattering measurement device and a light scattering measurement method that specify a material of a particle included in a dispersion liquid including at least one type of particles.
    Type: Application
    Filed: November 14, 2023
    Publication date: March 7, 2024
    Applicant: FUJIFILM Corporation
    Inventors: Sohichiro NAKAMURA, Kenichi HAMADA
  • Publication number: 20230375455
    Abstract: Provided are a dynamic light scattering measurement method and a dynamic light scattering measurement device with which a particle size distribution of each type of particle included in a dispersion liquid including particles is obtained.
    Type: Application
    Filed: July 30, 2023
    Publication date: November 23, 2023
    Applicant: FUJIFILM Corporation
    Inventors: Kenichi HAMADA, Sohichiro NAKAMURA
  • Publication number: 20230375453
    Abstract: Provided is an optical measurement device capable of easily measuring a scattering intensity at different scattering angles or different wavelengths.
    Type: Application
    Filed: July 30, 2023
    Publication date: November 23, 2023
    Applicant: FUJIFILM Corporation
    Inventors: Sohichiro NAKAMURA, Kenichi HAMADA
  • Publication number: 20230119560
    Abstract: The kidney regeneration accelerator that contains a component obtained by decellularizing a mammalian organ. The production method for a kidney regeneration accelerator that involves decellularizing a mammalian organ to obtain a component that includes an extracellular matrix, freeze drying and then pulverizing the component to obtain a powder, and performing a sterilization treatment on the powder. A pharmaceutical composition for use in treating kidney disease that contains a component obtained by decellularizing a mammalian organ. A treatment method for kidney disease that involves applying a pharmaceutical composition that contains a component obtained by decellularizing a mammalian organ to a site to be treated of the kidney of a human or animal kidney disease patient.
    Type: Application
    Filed: January 15, 2021
    Publication date: April 20, 2023
    Applicants: KEIO UNIVERSITY, JSR Corporation
    Inventors: Hiroshi YAGI, Hiroko KUSHIGE, Kohei KURODA, Akiko SATO, Kenichi HAMADA, Yuki AMANO
  • Publication number: 20230113633
    Abstract: The present invention relates to a medical Au-Pt-Pd alloy including Au, Pt,Pd, and inevitable impurities. The Au-Pt-Pd alloy has an alloy compositioninside a polygon (A1-A2-A3-A4) surrounded by straight lines connected at pointA1 (Au: 53 atom%, Pt: 4 atom%, and Pd: 43 atom%), point A2 (Au: 70 atom%,Pt: 4 atom%, and Pd: 26 atom%), point A3 (Au: 69.9 atom%, Pt: 30 atom%, and Pd: 0.1 atom%), and point A4 (Au: 49.9 atom%, Pt: 50 atom%, and Pd: 0.1 atom%) in a Au-Pt-Pd ternary state diagram. In a metal structure of the alloy, at least one of a Au-rich phase and a Pt-rich phase is distributed, and the total of the area ratio of the Au-rich phase and the area ratio of the Pt-rich phase is 1.5% or more and 25.4% or less.
    Type: Application
    Filed: December 14, 2022
    Publication date: April 13, 2023
    Applicants: TANAKA KIKINZOKU KOGYO K.K., TOKUSHIMA UNIVERSITY
    Inventors: Michimasa OKUBO, Kenji GOTO, Kunihiro TANAKA, Kojiro SHIRAISHI, Kunihiro SHIMA, Yuya KATO, Kenichi HAMADA, Eiichi HONDA, Emi TAKEGAWA
  • Patent number: 11453931
    Abstract: The present invention relates to a medical Au—Pt—Pd alloy including Au, Pt, Pd, and inevitable impurities. The alloy has an alloy composition inside a polygon (A1-A2-A3-A4-A5-A6) surrounded by straight lines connected at point A1 (Au: 37.9 atom %, Pt: 0.1 atom %, and Pd: 62 atom %), point A2 (Au: 79.9 atom %, Pt: 0.1 atom %, and Pd: 20 atom %), point A3 (Au: 79.9 atom %, Pt: 20 atom %, and Pd: 0.1 atom %), point A4 (Au: 69.9 atom %, Pt: 30 atom %, and Pd: 0.1 atom %), point A5 (Au: 49 atom %, Pt: 30 atom %, and Pd: 21 atom %), and point A6 (Au: 39 atom %, Pt: 40 atom %, and Pd: 21 atom %) in a Au—Pt—Pd ternary state diagram. The metal structure of the alloy is optimized, and the metal structure is close to a single-phase structure, and has little precipitation of a Au-rich phase and a Pt-rich phase different in composition from a mother phase.
    Type: Grant
    Filed: September 24, 2020
    Date of Patent: September 27, 2022
    Assignees: TANAKA KIKINZOKU KOGYO K.K., TOKUSHIMA UNIVERSITY
    Inventors: Michimasa Okubo, Kenji Goto, Kunihiro Tanaka, Kojiro Shiraishi, Kunihiro Shima, Yuya Kato, Kenichi Hamada, Eiichi Honda, Emi Takegawa
  • Publication number: 20220242067
    Abstract: Provided are a method for producing a carbon fiber-reinforced molding material including a step of detecting the presence of metal in a molding material by a magnetic sensor-type metal detection method, and a method for producing a molded article including subjecting the carbon fiber-reinforced molding material produced by the production method to hot press molding. The method for producing a carbon fiber-reinforced molding material involves accurately detecting foreign metal in the carbon fiber-reinforced molding material and efficiently produces a carbon fiber-reinforced molding material without damaging a mold or causing other problems. The production method is thus suitably used to produce various molded articles, such as automobile parts.
    Type: Application
    Filed: June 2, 2020
    Publication date: August 4, 2022
    Applicant: DIC Corporation
    Inventors: Mikihiko Nakano, Kouji Nagata, Daisuke Nishikawa, Kenichi Hamada
  • Publication number: 20220213280
    Abstract: To provide a molding material which uses, as essential raw materials, (A) an aromatic epoxy resin, (B) a curing agent for epoxy resins, and (C) a curing accelerator, and which has a ratio of transmittance at 910 cm?1 to transmittance at 1510 cm?1 (910 cm?1/1510 cm?1) in FT-IR ATR measurement in the range of 1 to 3. Since the molding material exhibits excellent productivity, moldability and the like, the molding material can be suitably used in automobile members, railway vehicle members, aerospace vehicle members, watercraft members, housing equipment members, sports members, light vehicle members, construction civil engineering members, and exteriors and structures of office automation equipment, etc.
    Type: Application
    Filed: May 1, 2020
    Publication date: July 7, 2022
    Applicant: DIC Corporation
    Inventors: Kazutoshi Hitomi, Kenichi Hamada, Makoto Kimura
  • Publication number: 20220213576
    Abstract: The present invention relates to a medical Au—Pt—Pd alloy including Au, Pt, Pd, and inevitable impurities. The alloy has an alloy composition inside a polygon (A1-A2-A3-A4-A5-A6) surrounded by straight lines connected at point A1 (Au: 37.9 atom %, Pt: 0.1 atom %, and Pd: 62 atom %), point A2 (Au: 79.9 atom %, Pt: 0.1 atom %, and Pd: 20 atom %), point A3 (Au: 79.9 atom %, Pt: 20 atom %, and Pd: 0.1 atom %), point A4 (Au: 69.9 atom %, Pt: 30 atom %, and Pd: 0.1 atom %), point A5 (Au: 49 atom %, Pt: 30 atom %, and Pd: 21 atom %), and point A6 (Au: 39 atom %, Pt: 40 atom %, and Pd: 21 atom %) in a Au—Pt—Pd ternary state diagram. The metal structure of the alloy is optimized, and the metal structure is close to a single-phase structure, and has little precipitation of a Au-rich phase and a Pt-rich phase different in composition from a mother phase.
    Type: Application
    Filed: September 24, 2020
    Publication date: July 7, 2022
    Applicants: TANAKA KIKINZOKU KOGYO K.K., TOKUSHIMA UNIVERSITY
    Inventors: Michimasa OKUBO, Kenji GOTO, Kunihiro TANAKA, Kojiro SHIRAISHI, Kunihiro SHIMA, Yuya KATO, Kenichi HAMADA, Eiichi HONDA, Emi TAKEGAWA
  • Publication number: 20220042140
    Abstract: The present invention relates to a medical Au—Pt—Pd alloy including Au, Pt, Pd, and inevitable impurities. The Au—Pt—Pd alloy has an alloy composition inside a polygon (A1-A2-A3-A4) surrounded by straight lines connected at point A1 (Au: 53 atom %, Pt: 4 atom %, and Pd: 43 atom %), point A2 (Au: 70 atom %, Pt: 4 atom %, and Pd: 26 atom %), point A3 (Au: 69.9 atom %, Pt: 30 atom %, and Pd: 0.1 atom %), and point A4 (Au: 49.9 atom %, Pt: 50 atom %, and Pd: 0.1 atom %) in a Au—Pt—Pd ternary state diagram. In a metal structure of the alloy, at least one of a Au-rich phase and a Pt-rich phase is distributed, and the total of the area ratio of the Au-rich phase and the area ratio of the Pt-rich phase is 1.5% or more and 25.4% or less.
    Type: Application
    Filed: September 24, 2020
    Publication date: February 10, 2022
    Applicants: TANAKA KIKINZOKU KOGYO K.K., TOKUSHIMA UNIVERSITY
    Inventors: Michimasa OKUBO, Kenji GOTO, Kunihiro TANAKA, Kojiro SHIRAISHI, Kunihiro SHIMA, Yuya KATO, Kenichi HAMADA, Eiichi HONDA, Emi TAKEGAWA
  • Publication number: 20210230375
    Abstract: In a method, a cellulose component is separated from plant materials consisting of cellulose, hemicellulose and lignin as principal components. The method includes the step of: rinsing the plant materials into a separating agent comprising ethylene glycols, heating the separating agent with the plant materials up to a high temperature less than the boiling point of the separating agent and reacting the separating agent with the plant materials, evaporating the hemicellulose from the separating agent reacted with the plant materials while dissolving the lignin of the plant materials into the separating agent, finally collecting the remaining cellulose component of the plant materials floating on the surface of the separating agent.
    Type: Application
    Filed: February 12, 2021
    Publication date: July 29, 2021
    Applicant: EARTHRECYCLE CO., LTD.
    Inventors: Takashi TACHIBANA, Kenichi HAMADA
  • Publication number: 20210101119
    Abstract: One aspect of the present invention is a composite hollow fiber membrane including: a semipermeable membrane layer; and a supporting layer that has a hollow fiber shape and is porous, wherein the semipermeable membrane layer contains a crosslinked polyamide polymer composed of a polyfunctional amine compound and a polyfunctional acid halide compound, the supporting layer has a gradient structure in which pores of the supporting layer gradually increase in size from one of an inner surface and an outer surface to the other, has a cut-off particle size of 0.001 to 0.3 ?m, and contains a crosslinked hydrophilic resin on at least a dense surface having smaller pores of the inner surface and the outer surface, and the semipermeable membrane layer is in contact with the dense surface of the supporting layer.
    Type: Application
    Filed: December 18, 2018
    Publication date: April 8, 2021
    Applicant: Kuraray Co., Ltd.
    Inventors: Youhei YABUNO, Kensaku KOMATSU, Shigetaka SHIMAMURA, Kenichi HAMADA
  • Patent number: 10920372
    Abstract: A method for separating cellulose from a wood-based raw material including hemicellulose, cellulose, and lignin as principal components, includes injecting the wood-based raw material into a dissolution reservoir in which ethylene glycol is stored as a separating agent, and heating the separating agent in the dissolution reservoir at atmospheric pressure to a temperature in a range of 260° C. to 280° C., and reacting the wood-based raw material with the separating agent, evaporating a hemicellulose component from the separating agent and condensing the hemicellulose component, and monitoring a pH value of the condensate of the hemicellulose component. A temperature of the condensate is held at the temperature at which a change in the pH value of the condensate decreases, lignin is dissolved in the separating agent, and crude cellulose that floats in the separating agent is separated and collected.
    Type: Grant
    Filed: November 7, 2018
    Date of Patent: February 16, 2021
    Assignee: EARTHRECYCLE CO., LTD.
    Inventors: Takashi Tachibana, Kenichi Hamada
  • Publication number: 20200054252
    Abstract: An enzyme sensor is configured to measure a measurement target substance included in a secretion of a living body. The enzyme sensor includes a layered structure including (a) an absorber layer configured to absorb the secretion, (b) an enzyme layer containing an enzyme, and (c) an electrode part arranged in an order of the (a), the (b), and the (c). The absorber layer includes a polymeric material having a chemically bound crosslinked structure.
    Type: Application
    Filed: November 7, 2017
    Publication date: February 20, 2020
    Applicant: JSR Corporation
    Inventors: Masayasu FUJIOKA, Akinori ITO, Kenichi HAMADA
  • Publication number: 20190269969
    Abstract: An exercise assistance device includes a biological information acquisition unit, a storage unit, an exercise menu setting unit, and an exercise menu presentation unit. The biological information acquisition unit acquires, from a biosensor that measures a measurement target substance contained in a secretion from a living body, biological information indicating a result of such measurement by the biosensor. The storage unit stores the biological information. The exercise menu setting unit sets an exercise menu based on the biological information stored in the storage unit. The exercise menu presentation unit presents the exercise menu set by the exercise menu setting unit.
    Type: Application
    Filed: October 25, 2017
    Publication date: September 5, 2019
    Applicant: JSR Corporation
    Inventors: Masayasu FUJIOKA, Takaaki MIYASAKO, Kenichi HAMADA, Taito HAYASHI
  • Publication number: 20190136448
    Abstract: A method for separating cellulose from a wood-based raw material including hemicellulose, cellulose, and lignin as principal components, in which the wood-based raw material is injected into a dissolution reservoir 1, 100, 300 in which ethylene glycol is stored as a separating agent, and the separating agent in the dissolution reservoir is heated at normal pressure to a temperature in a range of 260° C. to 280° C., and the wood-based raw material is reacted with the separating agent, a hemicellulose component that evaporates from the separating agent is condensed, a pH value of a condensate which changes from an acid value to a neutral value as a temperature of the separating agent increases is monitored, a temperature of the condensate is held at a temperature at which a change in the pH value of the condensate decreases, lignin is dissolved in the separating agent, and crude cellulose that floats in the separating agent is separated and collected.
    Type: Application
    Filed: November 7, 2018
    Publication date: May 9, 2019
    Applicant: EARTHRECYCLE CO., LTD.
    Inventors: Takashi TACHIBANA, Kenichi HAMADA
  • Patent number: 9991529
    Abstract: A fuel cell system operates under at least one of the conditions of no humidity or high temperature, and an operating method thereof, are characterized in that a fuel cell has a fuel gas flow path and an oxidant gas flow path arranged such that fuel gas and oxidant gas flow in opposite directions, a determining apparatus that determines the amount of water near the oxidant gas flow path inlet, and a fuel gas control apparatus which increases the amount of water near the oxidant gas flow path inlet by increasing the fuel gas flowrate and/or reducing the fuel gas pressure if it is determined in the determining apparatus that the amount of water near the oxidant gas flow path inlet is insufficient.
    Type: Grant
    Filed: March 26, 2009
    Date of Patent: June 5, 2018
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Shigeki Hasegawa, Masaki Ando, Kenichi Hamada
  • Patent number: 9540453
    Abstract: Provided are modified cellulose nanofibers that can be easily formed into a composite with a resin containing a solvent and a resin composition that contains the modified cellulose nanofibers. A method for producing modified cellulose nanofibers is characterized in that a step of obtaining modified cellulose by causing cellulose having hydroxyl groups to react with a resin having an intramolecular polybasic anhydride structure and a step of miniaturizing the modified cellulose are performed in the same step. In this method, the polybasic anhydride structure is a cyclic polybasic anhydride structure obtained by ring formation through dehydration condensation of carboxyl groups in the molecule.
    Type: Grant
    Filed: May 13, 2014
    Date of Patent: January 10, 2017
    Assignee: DIC Corporation
    Inventors: Tomoaki Harada, Kenichi Hamada, Kazuo Itoya