Patents by Inventor Keishiro Umemura

Keishiro Umemura 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: 7005463
    Abstract: A simulated wood product is molded by either extrusion or injection molding. This product has pulverized powders obtained from recycled building members. These members include recycled wooden members made of wooden materials and recycled resinous members also made of wooden materials. The pulverized powders include recycled wooden members and recycled resinous members in a mixed state by mixing and pulverizing the recycled wooden members and recycled resinous members together.
    Type: Grant
    Filed: March 7, 2001
    Date of Patent: February 28, 2006
    Assignee: Misawa Homes Co., Ltd.
    Inventors: Hidenori Taguchi, Keishiro Umemura
  • Publication number: 20010009309
    Abstract: A manufacturing method for providing a cement bonded wood chip product, a resin bonded wood chip product and a simulated wood product, in which recycled wooden members and recycled resinous members are pulverized after having been mixed. Accordingly, a mixing process and a pulverizing process can be integrated into one single line, reducing the space as well as laborious work and efficient operation in a plant.
    Type: Application
    Filed: March 7, 2001
    Publication date: July 26, 2001
    Applicant: Misawa Homes Co., Ltd.
    Inventors: Hidenori Taguchi, Keishiro Umemura
  • Patent number: 6228301
    Abstract: A manufacturing method of a simulated wood product utilizing pulverized powders obtained from recycled building members as raw material, in which the building members have recycled wooden members made of wooden materials and resinous members made of resinous materials, the manufacturing method further including a mixing process for mixing the recycled wooden members, a pulverization process for pulverizing the mixed materials obtained in the mixing process to form pulverized powder, a kneading process for kneading the pulverized powders obtained by the pulverizing process, and a molding process for molding the kneaded materials obtained in the kneading process either by an extrusion or injection molding.
    Type: Grant
    Filed: April 9, 1999
    Date of Patent: May 8, 2001
    Assignee: Misawa Homes Co., Ltd.
    Inventors: Hidenori Taguchi, Keishiro Umemura