Patents by Inventor Hiroshi Kamiyama

Hiroshi Kamiyama 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: 20120128940
    Abstract: Provided is a composition for use in producing a film having a prism type retroreflection structure, the composition being capable of favorably forming a prism type retroreflection structure by thermal transfer, while being superior in weather resistance and transparency and the film having breakage resistance. The composition contains: (A) an acrylic polymer produced by polymerizing (a-2) a monomer component in the presence of (A-1) a crosslinked acrylic polymer; and (B) a thermoplastic acrylic polymer, the composition having a fluidity (MFR: measured under heating at 230° C. and compression at 37.3 N) of 1 to 14, and having a gel content of 25 to 50% by weight with respect to 100% by weight in total of the acrylic polymer (A) and the thermoplastic acrylic polymer (B).
    Type: Application
    Filed: July 30, 2010
    Publication date: May 24, 2012
    Applicant: Kaneka Corporation
    Inventor: Hiroshi Kamiyama
  • Publication number: 20120112869
    Abstract: A coil component 100 is provided with a substrate 11, a thin-film coil layer 12 provided on the substrate 11, first and second bump electrodes 13a, 13b provided on a surface of the thin-film coil layer 12, a first lead conductor 20 provided on the surface of the thin-film coil layer 12 together with the first and second bump electrodes 13a, 13b and formed integrally with the first bump electrode 13a, and an insulator layer 14 provided between the first bump electrode 13a and the second bump electrode 13b. The thin-film coil layer 12 contains a first spiral conductor 16 which is a plane coil pattern. The first bump electrode 13a is connected to an internal peripheral end of the first spiral conductor 16 via the first lead conductor 20. The second bump electrode 13b is connected to an external peripheral end of the first spiral conductor 16.
    Type: Application
    Filed: November 10, 2011
    Publication date: May 10, 2012
    Inventors: Tomonaga Nishikawa, Makoto Yoshida, Tomokazu Ito, Hiroshi Kamiyama, Takeshi Okumura, Sho Nakagomi
  • Patent number: 8174349
    Abstract: A manufacturing method of electronic components includes forming a first insulation layer on a substrate, forming a plurality of passive elements on the first insulation layer, forming a second insulation layer on the passive elements, forming a plurality of conductor layers electrically connected to the respective passive elements, on the outer side of the second insulation layer to be exposed to an upper surface of each electronic component, and forming grooves between the electronic components including the respective passive elements to expose side surfaces of each electronic component and parts of the conductor layers from the side surfaces of each electronic component. The manufacturing method further including plating a plurality of external electrodes on the respective conductor layers exposed to the upper surface and the side surfaces of each electronic component, and cutting the substrate to completely separate into individual electronic components.
    Type: Grant
    Filed: November 18, 2009
    Date of Patent: May 8, 2012
    Assignee: TDK Corporation
    Inventors: Makoto Yoshida, Hiroshi Kamiyama, Tomonaga Nishikawa
  • Publication number: 20120050645
    Abstract: An image display apparatus includes a liquid crystal panel that displays an image on one face side; a chassis arranged on another face side of the liquid crystal panel; a frame section that faces an outer edge section of the liquid crystal panel from the one face side; a light source that irradiates the liquid crystal panel with light from the other face side; a diffuser plate disposed between the light source and the liquid crystal panel; and a frame-shaped holding structure that is disposed on a sidewall section of the chassis and holds the liquid crystal panel and the diffuser plate. The holding structure is provided with a panel holding section that holds the outer edge section of the liquid crystal panel with the frame section therebetween, and a diffuser plate holding section that supports an outer edge section of the diffuser plate with a curved reflection surface.
    Type: Application
    Filed: August 25, 2011
    Publication date: March 1, 2012
    Applicant: SHARP KABUSHIKI KAISHA
    Inventors: Tomohiko OKADA, Tetsushi ITO, Kenji TANAKA, Hirotoshi IEMURA, Masakatsu KUSUDA, Hiroshi KAMIYAMA, Masaki NISHIZAKA
  • Publication number: 20120026427
    Abstract: In an image display apparatus, the diffusing plate includes a rectangular plate body section and diffusing plate projecting sections that project to an outside in parallel with a main surface of the body section. The diffusing plate projecting sections are provided at all perimeter sections that form four sides of a rectangular shape when the body section is viewed from a thickness direction Z thereof. Optical sheets have sheet projecting sections provided at perimeter sections that form two sides parallel to each other among four sides that are rectangular when the sheet body section is viewed from the thickness direction Z. At this time, one optical sheet has sheet projecting sections provided at perimeter sections that form two long sides of the sheet body section. The other optical sheet has sheet projecting sections provided at perimeter section that forms two short sides of the sheet body section.
    Type: Application
    Filed: July 27, 2011
    Publication date: February 2, 2012
    Applicant: SHARP KABUSHIKI KAISHA
    Inventors: Tomohiko OKADA, Tetsushi ITO, Kenji TANAKA, Hirotoshi IEMURA, Masaki NISHIZAKA, Hiroshi KAMIYAMA, Masakatsu KUSUDA
  • Publication number: 20110221994
    Abstract: In an image display apparatus, a protruding portion is fixed to a chassis on a back side Z2 of a planar member and protrudes towards the planar member. The protruding portion has one or more first protruding members and one or more second protruding members and defines a small allowance region and a large allowance region for the planar member. In the small allowance region, an amount of displacement of the planar member towards the chassis side is regulated at most to a first predetermined value by the one or more first protruding members. In the large allowance region, an amount of displacement of the planar member towards the chassis side is regulated at most to a second predetermined value larger than the first predetermined value by the one or more second protruding member.
    Type: Application
    Filed: March 8, 2011
    Publication date: September 15, 2011
    Inventors: Hiroshi KAMIYAMA, Tomohiko Okada, Tetsushi Ito, Takashi Nishida, Kenji Tanaka, Hirotoshi Iemura, Masakatsu Kusuda
  • Patent number: 7773347
    Abstract: A thin-film magnetic head has a plurality of MR read head elements. Each MR read head element includes shield layers electrically insulated from the ground. An electrical resistor layer is electrically connected between the shield layer of one of the plurality of MR read head elements and the shield layer of the other one of the plurality of MR read head elements.
    Type: Grant
    Filed: March 16, 2007
    Date of Patent: August 10, 2010
    Assignee: TDK Corporation
    Inventors: Kazuhiko Maejima, Hiroshi Kamiyama, Tomonaga Nishikawa
  • Patent number: 7759872
    Abstract: A discharge lamp in which fluctuation of the arc when the lamp starts and in which devitrification and damage of the arc tube are prevented, so that light intensity can be kept uniform over a long time is achieved by the cathode having a tapering part with a diameter which decreases in the direction to the tip that is formed with an area with different diameters extending around the tapering part in the peripheral direction which has concave-convex parts with groups of convex parts which are located next to one another in the axial direction of the cathode, the concave-convex parts in longitudinal cross section being arranged such that corner points of each convex part are located inside of an edge line of the tapering part, and an envelope curve which connects the corner points is convex with respect to the center line of the cathode.
    Type: Grant
    Filed: March 1, 2005
    Date of Patent: July 20, 2010
    Assignee: Ushiodenki Kabushiki Kaisha
    Inventors: Shigeharu Hosoya, Hiroshi Kamiyama, Motohiro Sakai
  • Publication number: 20100157565
    Abstract: A manufacturing method of electronic components includes forming a first insulation layer on a substrate, forming a plurality of passive elements on the first insulation layer, forming a second insulation layer on the passive elements, forming a plurality of conductor layers electrically connected to the respective passive elements, on the outer side of the second insulation layer to be exposed to an upper surface of each electronic component, and forming grooves between the electronic components including the respective passive elements to expose side surfaces of each electronic component and parts of the conductor layers from the side surfaces of each electronic component. The manufacturing method further including plating a plurality of external electrodes on the respective conductor layers exposed to the upper surface and the side surfaces of each electronic component, and cutting the substrate to completely separate into individual electronic components.
    Type: Application
    Filed: November 18, 2009
    Publication date: June 24, 2010
    Applicant: TDK CORPORATION
    Inventors: Makoto YOSHIDA, Hiroshi KAMIYAMA, Tomonaga NISHIKAWA
  • Patent number: 7724474
    Abstract: A thin-film magnetic head that shows stable read and/or write performances, maintaining the reliability over time by suppressing the wear of the head sufficiently, is provided. The head comprises: a substrate having an element-formed surface and an opposed-to-medium surface; a magnetic head element; an overcoat layer formed on the element-formed surface so as to cover the magnetic head element; a closure provided on the overcoat layer, a surface of the closure being in contact with the upper surface of the overcoat layer; and an element contact pad formed in a sliding-side surface of the head and having a contact surface including a part of the opposed-to-medium surface, a part of an end surface of the overcoat layer and a part of an end surface of the closure, one end of the magnetic head element reaching the contact surface.
    Type: Grant
    Filed: August 2, 2006
    Date of Patent: May 25, 2010
    Assignee: TDK Corporation
    Inventors: Kazuhiko Maejima, Mitsuyoshi Kawai, Hiroki Matsukuma, Katsumichi Tagami, Makoto Yoshida, Hiroshi Kamiyama
  • Patent number: 7712204
    Abstract: A manufacturing method of a thin-film head includes the steps of, laminating and patterning a soft magnetic layer with iron alloy that contains silicon and aluminum through a base layer on a substrate; laminating an insulating layer on the patterned soft magnetic layer; performing a chemical-mechanical polishing of a surface of the laminated insulating layer and the patterned soft magnetic layer with a first acid slurry; forming a lower shield layer by a mechanical polishing with a second weak acid, or neutral slurry with a pH different from that of the first slurry; and forming a lower shield gap layer and a magnetoresistive effect layer on the lower shield layer.
    Type: Grant
    Filed: February 27, 2007
    Date of Patent: May 11, 2010
    Assignee: TDK Corporation
    Inventors: Kazuhiko Maejima, Makoto Hasegawa, Atsuhiro Nonaka, Hiroshi Kamiyama, Teruhisa Shindo, Hiroshi Yamazaki
  • Publication number: 20090284340
    Abstract: A common mode filter is provided as one in a three-layered structure with improved high-frequency characteristics. The common mode filter 1 has the three-layered structure including a first coil layer 14, a second coil layer 18, and a lead layer 16. A first planar coil 21 and a second planar coil 41 of a substantially circular spiral shape are formed in the first and second coil layers 14, 18, respectively. A first lead wire 31 and a second lead wire 32 formed in a lead layer 16 have a first straight portion 31c and a second straight portion 32c, respectively. The first straight portion 31c is located on a straight line L1 perpendicular to a plurality of first tangent lines to spirals 22, 42 at a plurality of respective intersection points with the spirals 22, 42. The second straight portion 32c is located on a straight line L2 perpendicular to a plurality of second tangent lines to the spirals 22, 42 at a plurality of respective intersection points with the spirals 22, 42.
    Type: Application
    Filed: May 11, 2009
    Publication date: November 19, 2009
    Applicant: TDK CORPORATION
    Inventors: Tomonaga NISHIKAWA, Tomokazu ITO, Takeshi OKUMURA, Makoto YOSHIDA, Hiroshi KAMIYAMA, Sho NAKAGOMI, Tatsuya KARAKAME
  • Patent number: 7619500
    Abstract: A common mode filter is provided as one in a three-layered structure with improved high-frequency characteristics. The common mode filter 1 has the three-layered structure including a first coil layer 14, a second coil layer 18, and a lead layer 16. A first planar coil 21 and a second planar coil 41 of a substantially circular spiral shape are formed in the first and second coil layers 14, 18, respectively. A first lead wire 31 and a second lead wire 32 formed in a lead layer 16 have a first straight portion 31c and a second straight portion 32c, respectively. The first straight portion 31c is located on a straight line L1 perpendicular to a plurality of first tangent lines to spirals 22, 42 at a plurality of respective intersection points with the spirals 22, 42. The second straight portion 32c is located on a straight line L2 perpendicular to a plurality of second tangent lines to the spirals 22, 42 at a plurality of respective intersection points with the spirals 22, 42.
    Type: Grant
    Filed: May 11, 2009
    Date of Patent: November 17, 2009
    Assignee: TDK Corporation
    Inventors: Tomonaga Nishikawa, Tomokazu Ito, Takeshi Okumura, Makoto Yoshida, Hiroshi Kamiyama, Sho Nakagomi, Tatsuya Karakame
  • Patent number: 7518313
    Abstract: A discharge lamp of the short arc type which has an arc tube in which there is a pair of opposed electrodes, a pair of hermetically sealing parts which extend outward from opposite ends of the arc tube, and a trigger wire, each end of which is wound around one of the hermetically sealing parts, with a middle area of the trigger wire running along the outside surface of the arc tube. In the area of at least one of the ends of the trigger wire, a bend is formed which comes to rest on one of the hermetically sealing parts, and following this bend, a fold is formed at the outer end area of the end of the trigger wire.
    Type: Grant
    Filed: August 29, 2005
    Date of Patent: April 14, 2009
    Assignee: Ushiodenki Kabushiki Kaisha
    Inventors: Mayumi Yamamoto, Hiroshi Kamiyama
  • Patent number: 7508292
    Abstract: The invention relates to surface-mount type coil components having a mounting surface for mounting them on a printed circuit board or hybrid IC (HIC) and provides a coil component having high electrical characteristics. A common mode filter includes a coil conductor formed in a spiral shape, cut ends which are parts of the coil conductor cut to face each other, and bridge conductors formed so that an insulation film is interposed between the coil conductor and the same to connect the cut ends to each other.
    Type: Grant
    Filed: November 2, 2007
    Date of Patent: March 24, 2009
    Assignee: TDK Corporation
    Inventors: Tomonaga Nishikawa, Tomokazu Ito, Makoto Yoshida, Hiroshi Kamiyama
  • Publication number: 20080320454
    Abstract: The present invention discloses a program converting unit for generating a machine language instruction from a source program for a processor that manages an N-bit address while processing M-bit data, N being greater than M, and such a processor that runs the converted program. The program converting unit comprising: a parameter holding unit for holding a data width and a pointer width designated by a user; the data width representing the number of bits of data used in the source program while the pointer width representing the number of bits of an address; and a generating unit for generating an instruction to manage the data width when a variable operated by the instruction represents the data, and for generating an instruction to manage the pointer width when a variable operated by the instruction represents the address.
    Type: Application
    Filed: December 4, 2006
    Publication date: December 25, 2008
    Applicant: Matsushita Electric Industrial Co., Ltd.
    Inventors: Masato Suzuki, Hiroshi Kamiyama, Shinya Miyaji
  • Patent number: 7408435
    Abstract: The invention relates to surface-mount type coil components having a mounting surface for mounting them on a printed circuit board or hybrid IC (HIC) and provides a low-cost coil component having a low direct-current resistance. A common mode filter includes a bridge conductor layer which has a bridge conductor one end of which is connected to one end of a lead wire and another end of which is connected to an inner circumferential end of a coil conductor and another bridge conductor one end of which is connected to one end of another lead wire and another end of which is connected to an inner circumferential end of another coil conductor, the bridge conductor layer being formed between two coil conductor layers with an insulation film interposed between the bridge conductor layer and each of the coil conductor layers.
    Type: Grant
    Filed: October 15, 2007
    Date of Patent: August 5, 2008
    Assignee: TDK Corporation
    Inventors: Tomonaga Nishikawa, Tomokazu Ito, Makoto Yoshida, Hiroshi Kamiyama
  • Publication number: 20080129439
    Abstract: The invention relates to surface-mount type coil components having a mounting surface for mounting them on a printed circuit board or hybrid IC (HIC) and provides a coil component having high electrical characteristics. A common mode filter includes a coil conductor formed in a spiral shape, cut ends which are parts of the coil conductor cut to face each other, and bridge conductors formed so that an insulation film is interposed between the coil conductor and the same to connect the cut ends to each other.
    Type: Application
    Filed: November 2, 2007
    Publication date: June 5, 2008
    Applicant: TDK CORPORATION
    Inventors: Tomonaga Nishikawa, Tomokazu Ito, Makoto Yoshida, Hiroshi Kamiyama
  • Patent number: RE40498
    Abstract: The present invention discloses a program converting unit for generating a machine language instruction from a source program for a processor that manages an N-bit address while processing M-bit data, N being greater than M, and such a processor that runs the converted program. The program converting unit comprising: a parameter holding unit for holding a data width and a pointer width designated by a user; the data width representing the number of bits of data used in the source program while the pointer width representing the number of bits of an address; and a generating unit for generating an instruction to manage the data width when a variable operated by the instruction represents the data, and for generating an instruction to manage the pointer width when a variable operated by the instruction represents the address.
    Type: Grant
    Filed: November 19, 2004
    Date of Patent: September 9, 2008
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Masato Suzuki, Hiroshi Kamiyama, Shinya Miyaji
  • Patent number: RE41959
    Abstract: The present invention discloses a program converting unit for generating a machine language instruction from a source program for a processor that manages an N-bit address while processing M-bit data, N being greater than M, and such a processor that runs the converted program. The program converting unit comprising: a parameter holding unit for holding a data width and a pointer width designated by a user; the data width representing the number of bits of data used in the source program while the pointer width representing the number of bits of an address; and a generating unit for generating an instruction to manage the data width when a variable operated by the instruction represents the data, and for generating an instruction to manage the pointer width when a variable operated by the instruction represents the address.
    Type: Grant
    Filed: September 14, 2000
    Date of Patent: November 23, 2010
    Assignee: Panasonic Corporation
    Inventors: Masato Suzuki, Hiroshi Kamiyama, Shinya Miyaji