Patents by Inventor Jun Kawamata

Jun Kawamata 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: 9972751
    Abstract: A method for manufacturing a wavelength conversion member includes: forming a phosphor layer on a base body including phosphor particles and oxide particles affixed to surfaces of the phosphor particles; and forming a cover layer covering the surfaces of the phosphor particles and surfaces of the oxide particles continuously, and having a same oxide material as the oxide particles. A wavelength conversion member includes: a base body, a phosphor layer disposed on the base body and including phosphor particles and oxide particles affixed to surfaces of the phosphor particles; and a cover layer covering the surfaces of the phosphor particles and surfaces of the oxide particles continuously, and including a same oxide material as the oxide particles.
    Type: Grant
    Filed: November 20, 2015
    Date of Patent: May 15, 2018
    Assignee: NICHIA CORPORATION
    Inventors: Naoki Saka, Jun Kawamata, Isamu Niki
  • Patent number: 9909750
    Abstract: A wavelength converting device includes a heat dissipating member, a wavelength converting member, and a connecting member. The wavelength converting member is disposed on the heat dissipating member and contains a fluorescent material and a holding body including aluminum oxide, magnesium oxide, zirconium oxide, lutetium oxide, titanium oxide, chromium oxide, tungsten oxide, divanadium pentoxide, molybdenum trioxide, sodium oxide, yttrium oxide, silicon dioxide, boron oxide, or diphosphorus pentoxide. The connecting member contains a metal material and connecting the heat dissipating member and the wavelength converting member. The wavelength converting member includes an upper surface, side surfaces, and a lower surface. The connecting member is thermally connected to the side surfaces and the lower surface of the wavelength converting member.
    Type: Grant
    Filed: December 21, 2016
    Date of Patent: March 6, 2018
    Assignee: Nichia Corporation
    Inventors: Jun Kawamata, Takao Kosugi
  • Publication number: 20170102135
    Abstract: A wavelength converting device includes a heat dissipating member, a wavelength converting member, and a connecting member. The wavelength converting member is disposed on the heat dissipating member and contains a fluorescent material and a holding body including aluminum oxide, magnesium oxide, zirconium oxide, lutetium oxide, titanium oxide, chromium oxide, tungsten oxide, divanadium pentoxide, molybdenum trioxide, sodium oxide, yttrium oxide, silicon dioxide, boron oxide, or diphosphorus pentoxide. The connecting member contains a metal material and connecting the heat dissipating member and the wavelength converting member. The wavelength converting member includes an upper surface, side surfaces, and a lower surface. The connecting member is thermally connected to the side surfaces and the lower surface of the wavelength converting member.
    Type: Application
    Filed: December 21, 2016
    Publication date: April 13, 2017
    Inventors: Jun KAWAMATA, Takao KOSUGI
  • Patent number: 9562667
    Abstract: (Problem to be Solved) To provide a wavelength converting device which can efficiently exhaust heat from the wavelength converting member using a heat dissipating member. (Solution) The wavelength converting device includes a heat dissipating member, a wavelength converting member disposed on the heat dissipating member, and a connecting member which connects the heat dissipating member and the wavelength converting member. Particularly, the wavelength converting member includes an upper surface, side surfaces, and a lower surface, and the connecting member is thermally connected to the side surfaces and the lower surface of the wavelength converting member.
    Type: Grant
    Filed: June 24, 2013
    Date of Patent: February 7, 2017
    Assignee: NICHIA CORPORATION
    Inventors: Jun Kawamata, Takao Kosugi
  • Publication number: 20170015626
    Abstract: A two-photon-absorbing compound which is excellent in water-solubility, is excited by two-photon absorption in a near-infrared wavelength region, and emits a red fluorescence.
    Type: Application
    Filed: September 26, 2014
    Publication date: January 19, 2017
    Inventors: Yasutaka Suzuki, Jun Kawamata, Hiroki Moritomo, Makoto Tominaga, Gen-ichi Konishi, Yosuke Niko
  • Publication number: 20160149097
    Abstract: A method for manufacturing a wavelength conversion member includes: forming a phosphor layer on a base body including phosphor particles and oxide particles affixed to surfaces of the phosphor particles; and forming a cover layer covering the surfaces of the phosphor particles and surfaces of the oxide particles continuously, and having a same oxide material as the oxide particles. A wavelength conversion member includes: a base body, a phosphor layer disposed on the base body and including phosphor particles and oxide particles affixed to surfaces of the phosphor particles; and a cover layer covering the surfaces of the phosphor particles and surfaces of the oxide particles continuously, and including a same oxide material as the oxide particles.
    Type: Application
    Filed: November 20, 2015
    Publication date: May 26, 2016
    Inventors: Naoki SAKA, Jun KAWAMATA, Isamu NIKI
  • Publication number: 20150316233
    Abstract: (Problem to be Solved) To provide a wavelength converting device which can efficiently exhaust heat from the wavelength converting member using a heat dissipating member. (Solution) The wavelength converting device includes a heat dissipating member, a wavelength converting member disposed on the heat dissipating member, and a connecting member which connects the heat dissipating member and the wavelength converting member. Particularly, the wavelength converting member includes an upper surface, side surfaces, and a lower surface, and the connecting member is thermally connected to the side surfaces and the lower surface of the wavelength converting member.
    Type: Application
    Filed: June 24, 2013
    Publication date: November 5, 2015
    Inventors: Jun KAWAMATA, Takao KOSUGI
  • Patent number: 9096997
    Abstract: A sanitary washing apparatus is provided according to one aspect of the invention, where the sanitary washing apparatus includes: a washing nozzle having a water discharge port, where the washing nozzle is configured to wash a body of a user by squirting water from the water discharge port; and a casing capable of storing the washing nozzle. The washing nozzle is configured to change from a stored state to an advanced state while transitioning to an orientation having a greater angle of an axis of the washing nozzle with respect to a horizontal plane, where the washing nozzle is stored in the casing in the stored state, and the washing nozzle is configured to wash the body in the advanced state.
    Type: Grant
    Filed: November 11, 2011
    Date of Patent: August 4, 2015
    Assignee: TOTO LTD.
    Inventors: Masayuki Mochita, Takeshi Yamakawa, Nobutake Sakumoto, Jun Kawamata, Mayako Adachi, Aiko Sato, Yosuke Inoue, Nanae Yamada
  • Publication number: 20140302367
    Abstract: A method for manufacturing a battery comprises winding a separator to a winding core, and forming an area in which the separator is overlapped in equal to or more than two layers of the separator, joining the two layers mutually in pressure contact by pressing a projecting portion formed in a jig to the overlapped area, after the step of the joining, providing a positive electrode plate and a negative electrode plate to the winding core, and winding into a spiral form the positive electrode plate and the negative electrode plate interposing the separator therebetween, and after the step of the winding, forming a spiral electrode assembly by removing the winding core from a winding body wound into the spiral form.
    Type: Application
    Filed: October 24, 2012
    Publication date: October 9, 2014
    Applicants: SANYO ELECTRIC CO., LTD., SANYO ELECTRIC CO., LTD.
    Inventors: Souichirou Ueno, Jun Kawamata, Yoshiyuki Furukoji
  • Publication number: 20120117722
    Abstract: A sanitary washing apparatus is provided according to one aspect of the invention, where the sanitary washing apparatus includes: a washing nozzle having a water discharge port, where the washing nozzle is configured to wash a body of a user by squirting water from the water discharge port; and a casing capable of storing the washing nozzle. The washing nozzle is configured to change from a stored state to an advanced state while transitioning to an orientation having a greater angle of an axis of the washing nozzle with respect to a horizontal plane, where the washing nozzle is stored in the casing in the stored state, and the washing nozzle is configured to wash the body in the advanced state.
    Type: Application
    Filed: November 11, 2011
    Publication date: May 17, 2012
    Applicant: TOTO LTD.
    Inventors: Masayuki Mochita, Takeshi Yamakawa, Nobutake Sakumoto, Jun Kawamata, Mayako Adachi, Aiko Sato, Yosuke Inoue, Nanae Yamada
  • Patent number: 8119041
    Abstract: The present invention provides a two-photon light-emitting compound represented by formula (1), an optical data recording medium comprising a compound represented by formula (1), a two-photon polymerizable composition comprising a polymerizable monomer or polymerizable oligomer and at least compound represented by formula (1), and a photopolymerization process: X2—(—CR4?CR3—)m—C(?O)—(—CR1?CR2—)n—X1??(1) wherein X1 and X2 may be the same or different and each represent a substituted or unsubstituted aryl group or a substituted or unsubstituted heterocyclic group; R1, R2, R3 and R4 each independently represent a hydrogen atom or substituent; some of R1, R2, R3 and R4 may be connected to each other to form at least one ring; and n and m each independently represent an integer of from 1 to 4, with the proviso that when n and m are 2 or more, the plurality of R1's, R2's, R3's, and R4's each may be the same or different.
    Type: Grant
    Filed: September 4, 2002
    Date of Patent: February 21, 2012
    Assignee: Fujifilm Corporation
    Inventors: Masaharu Akiba, Jun Kawamata
  • Publication number: 20050231776
    Abstract: The present invention provides a two-photon light-emitting compound represented by formula (1), an optical data recording medium comprising a compound represented by formula (1), a two-photon polymerizable composition comprising a polymerizable monomer or polymerizable oligomer and at least a compound represented by formula (1), and a photopolymerization process: X2—(—CR4?CR3—)m—C(?O)—(—CR1?CR2—)n—X1 ??(1) wherein X1 and X2 may be the same or different and each represent a substituted or unsubstituted aryl group or a substituted or unsubstituted heterocyclic group; R1, R2, R3 and R4 each independently represent a hydrogen atom or substituent; some of R1, R2, R3 and R4 may be connected to each other to form at least one ring; and n and m each independently represent an integer of from 1 to 4, with the proviso that when n and m are 2 or more, the plurality of R1's, R2's, R3's, and R4's each may be the same or different.
    Type: Application
    Filed: February 23, 2005
    Publication date: October 20, 2005
    Inventors: Masaharu Akiba, Jun Kawamata
  • Publication number: 20050156147
    Abstract: The present invention provides a two-photon light-emitting compound represented by formula (1), an optical data recording medium comprising a compound represented by formula (1), a two-photon polymerizable composition comprising a polymerizable monomer or polymerizable oligomer and at least a compound represented by formula (1), and a photopolymerization process: X2—(—CR4?CR3—)m—C(?O)—(—CR1?CR2—)n—X1??(1) wherein X1 and X2 may be the same or different and each represent a substituted or unsubstituted aryl group or a substituted or unsubstituted heterocyclic group; R1, R2, R3 and R4 each independently represent a hydrogen atom or substituent; some of R1, R2, R3 and R4 may be connected to each other to form at least one ring; and n and m each independently represent an integer of from 1 to 4, with the proviso that when n and m are 2 or more, the plurality of R1,s, R2,s, R3,s, and R4,s each may be the same or different.
    Type: Application
    Filed: February 23, 2005
    Publication date: July 21, 2005
    Inventors: Masaharu Akiba, Jun Kawamata
  • Publication number: 20040131969
    Abstract: A non-resonant two-photon absorbing material is provided, comprising a specified compound and exhibiting far stronger non-resonant two-photon absorption and two-photon emission than conventional materials.
    Type: Application
    Filed: October 7, 2003
    Publication date: July 8, 2004
    Applicant: FUJI PHOTO FILM CO., LTD.
    Inventors: Hiroo Takizawa, Masaharu Akiba, Takeharu Tani, Jun Kawamata, Katsumi Kobayashi, Karin Kawahara
  • Publication number: 20030162124
    Abstract: The present invention provides a two-photon light-emitting compound represented by formula (1), an optical data recording medium capable of recording data with a laser beam comprising a compound represented by formula (1) and a two-photon polymerizable composition photopolymerizable by two-photon absorption comprising a polymerizable monomer or polymerizable oligomer and at least a two-photon absorption material being a compound represented by formula (1):
    Type: Application
    Filed: September 4, 2002
    Publication date: August 28, 2003
    Applicant: FUJI PHOTO FILM CO., LTD.
    Inventors: Masaharu Akiba, Jun Kawamata