Patents by Inventor Yoshiaki Kumamoto

Yoshiaki Kumamoto 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).

  • Molded sheet
    Publication number: 20060151136
    Abstract: A molded sheet containing at least an oxidizable metal, a moisture retaining agent, and a fibrous material and having a content of components other than the fibrous material of 50% by weight or higher. The sheet has a thickness of 0.08 to 1.2 mm and a breaking length of 100 to 4000 m.
    Type: Application
    Filed: June 11, 2003
    Publication date: July 13, 2006
    Applicant: KAO Corporation
    Inventors: Yoshiaki Kumamoto, Masataka Ishikawa, Kunio Matsui
  • Pulp molded container
    Patent number: 7048975
    Abstract: A pulp molded container comprising a pulp molded article (2) having on the inner surface and/or the outer surface thereof a resin layer (3) with a thickness of 5 to 300 ?m formed by applying a coating, wherein the thickness ratio of the resin layer (3) to the molded article (2) (former/latter) is 1/2 to 1/100, and the surface roughness profile of the outer or inner surface of the pulp molded article is such that a centerline average roughness (Ra) is 0.5 to 20 ?m.
    Type: Grant
    Filed: October 2, 2000
    Date of Patent: May 23, 2006
    Assignee: Kao Corporation
    Inventors: Takehiko Tojo, Yoshiaki Kumamoto, Masataka Ishikawa, Kunio Matsui, Eiki Kimura, Koichi Sagara, Kenichi Otani, Shingo Odajima, Tokihito Sono
  • Heat-generative, steam generation sheet for face
    Patent number: 6974470
    Abstract: A heat-generative, steam generation facial sheet that is planar and is adapted to cover a part or the whole of a wearer's face in intimate contact. It has a planar heat generator capable of generating steam upon contact with oxygen in such a manner that the skin surface temperature reaches 34° C. or higher within 120 seconds from the contact with air and the skin surface temperature is maintained at 34° C. or higher for at least 5 minutes.
    Type: Grant
    Filed: February 27, 2004
    Date of Patent: December 13, 2005
    Assignee: Kao Corporation
    Inventors: Satoshi Tsunakawa, Conni Weaver, Masataka Ishikawa, Yoshiaki Kumamoto, Takao Orii, Haruyo Kojima
  • Heat-generative, steam generation sheet for face
    Publication number: 20050192653
    Abstract: A heat-generative, steam generation facial sheet that is planar and is adapted to cover a part or the whole of a wearer's face in intimate contact. It has a planar heat generator capable of generating steam upon contact with oxygen in such a manner that the skin surface temperature reaches 34° C. or higher within 120 seconds from the contact with air and the skin surface temperature is maintained at 34° C. or higher for at least 5 minutes.
    Type: Application
    Filed: February 27, 2004
    Publication date: September 1, 2005
    Applicant: Kao Corporation
    Inventors: Satoshi Tsunakawa, Conni Weaver, Masataka Ishikawa, Yoshiaki Kumamoto, Takao Orii, Haruyo Kojima
  • Mold for papermaking
    Patent number: 6860461
    Abstract: A papermaking mold which includes a papermaking part of a prescribed shape, a peripheral part extending outward from the peripheral edge of the papermaking part, and a net covering the papermaking part and at least part of the peripheral part. A fixing member is disposed on the periphery of the net, and the fixing member is fixed to the peripheral part to fix the net by the fixing member.
    Type: Grant
    Filed: May 30, 2000
    Date of Patent: March 1, 2005
    Assignee: Kao Corporation
    Inventors: Kenichi Otani, Yoshiaki Kumamoto, Tokuo Tsuura, Minoru Goto, Keiji Eto
  • Warming device
    Publication number: 20050028806
    Abstract: A warming device consisting essentially of a heat generating main body comprising a heat generating element and an air-permeable holding member having the heat generating element enclosed therein. The warming device has a receiving part for receiving a part of a body being inserted. The heat generating element comprises a sheet which contains an oxidizable metal, a moisture-retaining agent, and a fibrous material and is prepared by papermaking.
    Type: Application
    Filed: June 23, 2004
    Publication date: February 10, 2005
    Applicant: KAO CORPORATION
    Inventors: Yoshiaki Kumamoto, Masataka Ishikawa, Takao Orii, Christine Hall, Jill Lynch
  • Method for producing pulp molded article
    Patent number: 6841041
    Abstract: A method for producing a pulp molded article (7) comprising the steps of supplying a pulp slurry into the cavity (1) of a mold (10) composed of a set of splits (3 and 4), the set of splits (3 and 4) being assembled together to form the cavity (1) with a prescribed configuration, to form a pulp deposited body (5), feeding a fluid into the cavity (1) to press the pulp deposited body (5) onto the inner wall of the cavity (1) for dewatering.
    Type: Grant
    Filed: January 2, 2003
    Date of Patent: January 11, 2005
    Assignee: Kao Corporation
    Inventors: Yoshiaki Kumamoto, Kenichi Otani, Shinji Otakura, Tokuo Tsuura, Masataka Ishikawa, Toshiyuki Suga, Akira Nonomura
  • Method for producing heat-generating formed product
    Publication number: 20050000827
    Abstract: A process of producing a heat generating molded article comprising the steps of making an intermediate product by a papermaking process from a raw material composition containing at least an oxidizable metal powder, a moisture retaining agent, a fibrous material, and water and incorporating an electrolyte into the resulting intermediate product.
    Type: Application
    Filed: September 26, 2002
    Publication date: January 6, 2005
    Inventors: Kunio Matsui, Yoshiaki Kumamoto, Masataka Ishikawa
  • Method for producing pulp molded article
    Patent number: 6830658
    Abstract: A method for producing a pulp molded article (7) comprising the steps of supplying a pulp slurry into the cavity (1) of a mold (10) composed of a set of splits (3 and 4), the set of splits (3 and 4) being assembled together to form the cavity (1) with a prescribed configuration, to form a pulp deposited body (5), feeding a fluid into the cavity (1) to press the pulp deposited body (5) onto the inner wall of the cavity (1) for dewatering.
    Type: Grant
    Filed: February 13, 2003
    Date of Patent: December 14, 2004
    Assignee: Kao Corporation
    Inventors: Yoshiaki Kumamoto, Kenichi Otani, Shinji Otakura, Tokuo Tsuura, Masataka Ishikawa, Toshiyuki Suga, Akira Nonomura
  • Disposable brush
    Patent number: 6810553
    Abstract: A disposable brush which is formed of a non-woven fabric or of a pulp of molding. The disposable brush includes a base and a number of projections formed on a first side of the base by allowing portions of the base to project therefrom.
    Type: Grant
    Filed: April 7, 2000
    Date of Patent: November 2, 2004
    Assignee: Kao Corporation
    Inventors: Kazuya Otsuji, Masayuki Okawa, Yasuki Tsutsumi, Kaoru Hamada, Jun Yamamoto, Keiichiro Sugai, Yoshiaki Kumamoto, Kenichi Otani, Hidesato Kizaki
  • Molded pulp product, and method and apparatus for production thereof
    Publication number: 20040045690
    Abstract: A pulp molded article having a pulp fiber layer (2) of single layer structure which is formed by papermaking from a single raw material composition and has a density distribution in the thickness direction thereof. The pulp fiber layer (2) has such a density distribution that the density increases or decreases in the thickness direction thereof.
    Type: Application
    Filed: June 30, 2003
    Publication date: March 11, 2004
    Inventors: Keiji Eto, Yoshiaki Kumamoto, Masataka Ishikawa, Akira Nonomura
  • Multilayered molded container
    Publication number: 20040043168
    Abstract: A multilayered molded container having at least a moisture-proof layer formed by papermaking which contains a thermoplastic resin having a melting point of 90 to 200° C. and a viscosity of 20 to 10000 Pa·s as measured with a capillograph at a shear rate of 100 s−1 and a set temperature of 200° C.
    Type: Application
    Filed: August 4, 2003
    Publication date: March 4, 2004
    Inventors: Masataka Ishikawa, Yoshiaki Kumamoto
  • Method for producing pulp molded article
    Patent number: 6645348
    Abstract: Pulp deposited bodies (7 and 8) are formed on the surfaces (2a and 3a) of a set of splits (2 and 3) of a papermaking mold, each split having a plurality of interconnecting holes connecting the outside to the inside thereof, and the splits (2 and 3) are mated to join the pulp deposited bodies (7 and 8).
    Type: Grant
    Filed: August 7, 2002
    Date of Patent: November 11, 2003
    Assignee: Kao Corporation
    Inventors: Yoshiaki Kumamoto, Shinji Otakura, Kenichi Otani, Shingo Odajima, Tokuo Tsuura
  • Method for producing pulp molded article
    Publication number: 20030145968
    Abstract: A method for producing a pulp molded article (7) comprising the steps of supplying a pulp slurry into the cavity (1) of a mold (10) composed of a set of splits (3 and 4), the set of splits (3 and 4) being assembled together to form the cavity (1) with a prescribed configuration, to form a pulp deposited body (5), feeding a fluid into the cavity (1) to press the pulp deposited body (5) onto the inner wall of the cavity (1) for dewatering.
    Type: Application
    Filed: January 2, 2003
    Publication date: August 7, 2003
    Applicant: Kao Corporation
    Inventors: Yoshiaki Kumamoto, Kenichi Otani, Shinji Otakura, Tokuo Tsuura, Masataka Ishikawa, Toshiyuki Suga, Akira Nonomura
  • Method for producing pulp molded article
    Publication number: 20030121635
    Abstract: A method for producing a pulp molded article (7) comprising the steps of supplying a pulp slurry into the cavity (1) of a mold (10) composed of a set of splits (3 and 4), the set of splits (3 and 4) being assembled together to form the cavity (1) with a prescribed configuration, to form a pulp deposited body (5), feeding a fluid into the cavity (1) to press the pulp deposited body (5) onto the inner wall of the cavity (1) for dewatering.
    Type: Application
    Filed: February 13, 2003
    Publication date: July 3, 2003
    Applicant: KAO CORPORATION
    Inventors: Yoshiaki Kumamoto, Kenichi Otani, Shinji Otakura, Tokuo Tsuura, Masataka Ishikawa, Toshiyuki Suga, Akira Nonomura
  • Method of manufacturing pulp mold formed product
    Patent number: 6547931
    Abstract: A method for producing a pulp molded article (7) comprising the steps of supplying a pulp slurry into the cavity (1) of a mold (10) composed of a set of splits (3 and 4), the set of splits (3 and 4) being assembled together to form the cavity (1) with a prescribed configuration, to form a pulp deposited body (5), feeding a fluid into the cavity (1) to press the pulp deposited body (5) onto the inner wall of the cavity (1) for dewatering.
    Type: Grant
    Filed: October 10, 2000
    Date of Patent: April 15, 2003
    Assignee: Kao Corporation
    Inventors: Yoshiaki Kumamoto, Kenichi Otani, Shinji Otakura, Tokuo Tsuura, Masataka Ishikawa, Toshiyuki Suga, Akira Nonomura
  • Pulp molded article
    Patent number: 6521085
    Abstract: A method for producing a pulp molded article (7) comprising the steps of supplying a pulp slurry into the cavity (1) of a mold (10) composed of a set of splits (3 and 4) the set of splits (3 and 4) being assembled together to form the cavity (1) with a prescribed configuration, to form a pulp deposited body (5), feeding a fluid into the cavity (1) to press the pulp deposited body (5) onto the inner wall of the cavity (1) for dewatering.
    Type: Grant
    Filed: June 22, 2001
    Date of Patent: February 18, 2003
    Assignee: Kao Corporation
    Inventors: Yoshiaki Kumamoto, Kenichi Otani, Shinji Otakura, Tokuo Tsuura, Masataka Ishikawa, Toshiyuki Suga, Akira Nonomura
  • Pulp molded body
    Publication number: 20030029591
    Abstract: A pulp molded article (1) of the present invention comprises a neck portion (2) and a thread (5) provided on the outer surface of the neck portion (2), and has an overrun torque of 1 N·m or higher between the neck portion and a threaded cap screwed on the neck portion (2).
    Type: Application
    Filed: August 26, 2002
    Publication date: February 13, 2003
    Inventors: Kenichi Otani, Yoshiaki Kumamoto
  • Method for producing pulp molded article
    Publication number: 20020189776
    Abstract: Pulp deposited bodies (7 and 8) are formed on the surfaces (2a and 3a) of a set of splits (2 and 3) of a papermaking mold, each split having a plurality of interconnecting holes connecting the outside to the inside thereof, and the splits (2 and 3) are mated to join the pulp deposited bodies (7 and 8).
    Type: Application
    Filed: August 7, 2002
    Publication date: December 19, 2002
    Applicant: KAO CORPORATION
    Inventors: Yoshiaki Kumamoto, Shinji Otakura, Kenichi Otani, Shingo Odajima, Tokuo Tsuura
  • Method of manufacturing pulp molded product
    Patent number: 6468398
    Abstract: Pulp deposited bodies (7 and 8) are formed on the surfaces (2a and 3a) of a set of splits (2 and 3) of a papermaking mold, each split having a plurality of interconnecting holes connecting the outside to the inside thereof, and the splits (2 and 3) are mated to join the pulp deposited bodies (7 and 8).
    Type: Grant
    Filed: August 23, 2000
    Date of Patent: October 22, 2002
    Assignee: Kao Corporation
    Inventors: Yoshiaki Kumamoto, Shinji Otakura, Kenichi Otani, Shingo Odajima, Tokuo Tsuura