Patents by Inventor Naoki Usuki

Naoki Usuki 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: 11839023
    Abstract: A three-dimensional molded circuit component, includes: a base member which includes a metal part and a resin part; a circuit pattern which is formed on the resin part; and a mounted component which is mounted on the base member, and is electrically connected to the circuit pattern. The resin part includes a resin thin film as a portion thereof, which includes a thermoplastic resin, of which a thickness is in the range of 0.01 mm to 0.5 mm, and which is formed on the metal part. The mounted component is arranged on the metal part via the resin thin film.
    Type: Grant
    Filed: January 6, 2022
    Date of Patent: December 5, 2023
    Assignee: MAXELL, LTD.
    Inventors: Atsushi Yusa, Satoshi Yamamoto, Akiko Kito, Hironori Ota, Hideto Goto, Naoki Usuki
  • Publication number: 20220132660
    Abstract: A three-dimensional molded circuit component, includes: a base member which includes a metal part and a resin part; a circuit pattern which is formed on the resin part; and a mounted component which is mounted on the base member, and is electrically connected to the circuit pattern. The resin part includes a resin thin film as a portion thereof, which includes a thermoplastic resin, of which a thickness is in the range of 0.01 mm to 0.5 mm, and which is formed on the metal part. The mounted component is arranged on the metal part via the resin thin film.
    Type: Application
    Filed: January 6, 2022
    Publication date: April 28, 2022
    Applicant: MAXELL, LTD.
    Inventors: Atsushi YUSA, Satoshi YAMAMOTO, Akiko KITO, Hironori OTA, Hideto GOTO, Naoki USUKI
  • Patent number: 11310918
    Abstract: A method for producing a plated part, includes: forming, on a surface of a base member, a catalyst activity inhibiting layer containing a polymer which has at least one of an amide group and an amino group; irradiating with light or heating a part of the surface of the base member on which the catalyst activity inhibiting layer is formed; applying an electroless plating catalyst to the surface of the base member heated or irradiated with the light; and bringing an electroless plating solution into contact with the surface of the base member to which the electroless plating catalyst is applied, to form an electroless plating film at a light-irradiated portion or a heated portion of the surface.
    Type: Grant
    Filed: April 13, 2021
    Date of Patent: April 19, 2022
    Assignee: MAXELL, LTD.
    Inventors: Naoki Usuki, Akiko Kito, Atsushi Yusa
  • Patent number: 11259410
    Abstract: A three-dimensional molded circuit component, includes: a base member which includes a metal part and a resin part; a circuit pattern which is formed on the resin part; and a mounted component which is mounted on the base member, and is electrically connected to the circuit pattern. The resin part includes a resin thin film as a portion thereof, which includes a thermoplastic resin, of which a thickness is in the range of 0.01 mm to 0.5 mm, and which is formed on the metal part. The mounted component is arranged on the metal part via the resin thin film.
    Type: Grant
    Filed: October 25, 2018
    Date of Patent: February 22, 2022
    Assignee: MAXELL, LTD.
    Inventors: Atsushi Yusa, Satoshi Yamamoto, Akiko Kito, Hironori Ota, Hideto Goto, Naoki Usuki
  • Patent number: 11186657
    Abstract: There is provided a hyper-branched polymer represented by the following formula (1) and having a weight-average molecular weight in a range of 1,000 to 1,000,000. In the formula (1), A1 is a group containing an aromatic ring, A2 is a group containing an amide group, A3 is a group containing sulfur, R0 is hydrogen or a substituted or unsubstituted hydrocarbon group having 1 to 10 carbon atoms, ml is in a range of 0.5 to 11, and n1 is in a range of 5 to 100.
    Type: Grant
    Filed: June 19, 2019
    Date of Patent: November 30, 2021
    Assignee: MAXELL, LTD.
    Inventors: Naoki Usuki, Akiko Kito, Atsushi Yusa
  • Publication number: 20210235587
    Abstract: A method for producing a plated part, includes: forming, on a surface of a base member, a catalyst activity inhibiting layer containing a polymer which has at least one of an amide group and an amino group; irradiating with light or heating a part of the surface of the base member on which the catalyst activity inhibiting layer is formed; applying an electroless plating catalyst to the surface of the base member heated or irradiated with the light; and bringing an electroless plating solution into contact with the surface of the base member to which the electroless plating catalyst is applied, to form an electroless plating film at a light-irradiated portion or a heated portion of the surface.
    Type: Application
    Filed: April 13, 2021
    Publication date: July 29, 2021
    Applicant: MAXELL HOLDINGS, LTD.
    Inventors: Naoki USUKI, Akiko KITO, Atsushi YUSA
  • Patent number: 11013125
    Abstract: A method for producing a plated part, includes: forming, on a surface of a base member, a catalyst activity inhibiting layer containing a polymer which has at least one of an amide group and an amino group; irradiating with light or heating a part of the surface of the base member on which the catalyst activity inhibiting layer is formed; applying an electroless plating catalyst to the surface of the base member heated or irradiated with the light; and bringing an electroless plating solution into contact with the surface of the base member to which the electroless plating catalyst is applied, to form an electroless plating film at a light-irradiated portion or a heated portion of the surface.
    Type: Grant
    Filed: September 5, 2018
    Date of Patent: May 18, 2021
    Assignee: MAXELL HOLDINGS, LTD.
    Inventors: Naoki Usuki, Akiko Kito, Atsushi Yusa
  • Publication number: 20190309104
    Abstract: There is provided a hyper-branched polymer represented by the following formula (1) and having a weight-average molecular weight in a range of 1,000 to 1,000,000. In the formula (1), A1 is a group containing an aromatic ring, A2 is a group containing an amide group, A3 is a group containing sulfur, R0 is hydrogen or a substituted or unsubstituted hydrocarbon group having 1 to 10 carbon atoms, ml is in a range of 0.5 to 11, and n1 is in a range of 5 to 100.
    Type: Application
    Filed: June 19, 2019
    Publication date: October 10, 2019
    Applicant: MAXELL HOLDINGS, LTD.
    Inventors: Naoki USUKI, Akiko KITO, Atsushi YUSA
  • Publication number: 20190069400
    Abstract: A three-dimensional molded circuit component, includes: a base member which includes a metal part and a resin part; a circuit pattern which is formed on the resin part; and a mounted component which is mounted on the base member, and is electrically connected to the circuit pattern. The resin part includes a resin thin film as a portion thereof, which includes a thermoplastic resin, of which a thickness is in the range of 0.01 mm to 0.5 mm, and which is formed on the metal part. The mounted component is arranged on the metal part via the resin thin film.
    Type: Application
    Filed: October 25, 2018
    Publication date: February 28, 2019
    Applicant: MAXELL HOLDINGS, LTD.
    Inventors: Atsushi YUSA, Satoshi YAMAMOTO, Akiko KITO, Hironori OTA, Hideto GOTO, Naoki USUKI
  • Publication number: 20190008051
    Abstract: A method for producing a plated part, includes: forming, on a surface of a base member, a catalyst activity inhibiting layer containing a polymer which has at least one of an amide group and an amino group; irradiating with light or heating a part of the surface of the base member on which the catalyst activity inhibiting layer is formed; applying an electroless plating catalyst to the surface of the base member heated or irradiated with the light; and bringing an electroless plating solution into contact with the surface of the base member to which the electroless plating catalyst is applied, to form an electroless plating film at a light-irradiated portion or a heated portion of the surface.
    Type: Application
    Filed: September 5, 2018
    Publication date: January 3, 2019
    Applicant: MAXELL HOLDINGS, LTD.
    Inventors: Naoki USUKI, Akiko KITO, Atsushi YUSA
  • Publication number: 20170135222
    Abstract: A method for producing a plated part, includes: applying a catalyst inactivator to a surface of a base member; irradiating with light or heating a part of the surface of the base member to which the catalyst inactivator is applied; applying an electroless plating catalyst to the surface of the base member; and bringing an electroless plating solution into contact with the surface of the base member applied with the electroless plating catalyst to form an electroless plating film at a light-irradiated portion or a heated portion of the surface.
    Type: Application
    Filed: January 24, 2017
    Publication date: May 11, 2017
    Applicant: HITACHI MAXELL, LTD.
    Inventors: Akiko KITO, Atsushi YUSA, Naoki USUKI, Satoshi YAMAMOTO, Hideto GOTO, Masashi SUENAGA
  • Publication number: 20140227589
    Abstract: A polymer of the present invention has a plurality of pendant groups. Each of the pendant groups is constituted of a carboxyl group or a salt thereof, and a group interposed between a main chain and either the carboxyl group or salt thereof. The group interposed between the main chain and either the carboxyl group or salt thereof is: a hydrocarbon group; a perfluorocarbon group; constituted of a hydrocarbon group and at least one of an ester group and a carbonate group; or constituted of a perfluorocarbon group and at least one of an ester group and a carbonate group. A carbonyl carbon included in the carboxyl group or salt thereof is bonded directly to a carbon included in either the hydrocarbon group or the perfluorocarbon group.
    Type: Application
    Filed: November 28, 2012
    Publication date: August 14, 2014
    Inventors: Kenji Kono, Naoki Usuki, Hidetoshi Morikami, Hisao Kanzaki, Fusaji Kita
  • Publication number: 20120220048
    Abstract: There is provided a magnetic marker particle. The magnetic marker particle comprises a magnetic particle and a polymer deposited on the surface of the magnetic particle, wherein the deposited polymer comprises a combination of a carboxyl group and a polyethylene glycol chain or a combination of a carboxyl group and a sulfo group.
    Type: Application
    Filed: June 2, 2011
    Publication date: August 30, 2012
    Applicant: HITACHI MAXELL, LTD.
    Inventors: Naoki USUKI, Masakazu MITSUNAGA, Kenji KONO, Hisao KANZAKI
  • Publication number: 20120061608
    Abstract: There is provided a magnetic particle to which a large amount of target substance can bind upon separation, analysis and the like of the target substance, the particle exhibiting a higher rate of the magnetic separation. The magnetic particle to which a target substance can bind, comprising a core particle having magnetism and a polymer coat layer comprising a polymer shell portion in which a rough coating of polymer is provided on a surface of the core particle. This magnetic particle has a roughness due to a surface roughness of the polymer shell portion wherein a specific surface area (m2/g) of the magnetic particle is 1.5 to 500 times a specific surface area (m2/g) of the core particle when the core particle is regarded as a smooth perfect sphere.
    Type: Application
    Filed: September 8, 2011
    Publication date: March 15, 2012
    Applicant: HITACHI MAXELL, LTD.
    Inventors: Masakazu MITSUNAGA, Naoki USUKI, Kenji KOHNO, Hisao KANZAKI
  • Publication number: 20110089118
    Abstract: The particle of the present invention is a high-density particle to which a target substance can be bound, wherein the surface of the particle body is a roughened surface. The particle is characterized in that a substance or functional group to which a target substance can bind is immobilized on the roughened surface of the particle body, and the specific surface area of the particle is 1.4 to 100 times the specific surface area of a true spherical particle having the same particle size and the same density as those of the particle of the invention. In the particle of the invention, the accumulated micropore volume [cm3] of micropores having radius of not less than 20 nm per unit surface area [cm2] is not less than 1×10?6 [cm3/cm2].
    Type: Application
    Filed: April 24, 2009
    Publication date: April 21, 2011
    Inventors: Naoki Usuki, Masakazu Mitsunaga, Kenji Kohno, Hisao Kanzaki
  • Patent number: 7700204
    Abstract: A magnetic recording medium comprising a nonmagnetic support and a magnetic layer formed on the support and containing a magnetic powder and a binder, wherein said magnetic powder comprises substantially spherical or ellipsoidal particles and at least one element selected from the group consisting of rare earth elements, silicon and aluminum, and has a Fe16N2 phase, an average particle size of 5 to 30 nm and an axis ratio (a ratio of a major axis to a minor axis) of 1 to 2. This magnetic recording medium achieves a high output and has excellent short wavelength recording properties, since it uses a magnetic powder having a very small particle size and has a very high coercive force and a saturation magnetization suitable for high density recording.
    Type: Grant
    Filed: May 29, 2007
    Date of Patent: April 20, 2010
    Assignee: Hitachi Maxell, Ltd.
    Inventors: Yuji Sasaki, Mikio Kishimoto, Naoki Usuki
  • Patent number: 7597960
    Abstract: An infrared fluorescent particle comprising a functional group or a substance that is capable of binding to an analyte, wherein fluorescence at infrared wavelength is emitted from the particle upon exposure of the particle to excitation light at infrared wavelength. The infrared fluorescent particle of the present invention is capable of binding to the analyte. Due to a high penetration of the fluorescence and the excitation light into biological substances, the infrared fluorescent particle of the present invention can reduce an influence of luminescence, light absorption or light scattering which is occurred due to the analyte and the surrounding substances.
    Type: Grant
    Filed: June 24, 2008
    Date of Patent: October 6, 2009
    Assignee: Hitachi Maxell, Ltd.
    Inventors: Masakazu Mitsunaga, Naoki Usuki, Kenji Kohno, Hisao Kanzaki, Mikio Kishimoto
  • Publication number: 20090029482
    Abstract: The particles of the present invention are high density particles which enable a preferential binding of a target substance thereto and inhibit a binding of “substances other than the target substance” thereto. The particles of the present invention are characterized in that a substance or functional group capable of binding to a target substance is immobilized on the surface of a particle body; the particles have a density of 3.5 g/cm3 to 9.0 g/cm3 and the particle body has no through-pore. The particles of the present invention are also characterized by a specific surface area of 0.0005 m2/g to 1.0 m2/g.
    Type: Application
    Filed: April 27, 2007
    Publication date: January 29, 2009
    Inventors: Naoki Usuki, Masakazu Mitsunaga, Kenji Kohno, Hisao Kanzaki
  • Publication number: 20080265208
    Abstract: An infrared fluorescent particle comprising a functional group or a substance that is capable of binding to an analyte, wherein fluorescence at infrared wavelength is emitted from the particle upon exposure of the particle to excitation light at infrared wavelength. The infrared fluorescent particle of the present invention is capable of binding to the analyte. Due to a high penetration of the fluorescence and the excitation light into biological substances, the infrared fluorescent particle of the present invention can reduce an influence of luminescence, light absorption or light scattering which is occurred due to the analyte and the surrounding substances.
    Type: Application
    Filed: June 24, 2008
    Publication date: October 30, 2008
    Inventors: Masakazu Mitsunaga, Naoki Usuki, Kenji Kohno, Hisao Kanzaki, Mikio Kishimoto
  • Patent number: 7416784
    Abstract: An infrared fluorescent particle comprising a functional group or a substance that is capable of binding to an analyte, wherein fluorescence at infrared wavelength is emitted from the particle upon exposure of the particle to excitation light at infrared wavelength. The infrared fluorescent particle of the present invention is capable of binding to the analyte. Due to a high penetration of the fluorescence and the excitation light into biological substances; the infrared fluorescent particle of the present invention can reduce an influence of luminescence, light absorption or light scattering which is occurred due to the analyte and the surrounding substances.
    Type: Grant
    Filed: December 5, 2006
    Date of Patent: August 26, 2008
    Assignee: Hitachi Maxell, Ltd.
    Inventors: Masakazu Mitsunaga, Naoki Usuki, Kenji Kohno, Hisao Kanzaki, Mikio Kishimoto