Patents by Inventor Kenichi Tsuruhashi

Kenichi Tsuruhashi 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).

  • Cushion and mold for cushion
    Patent number: 6898814
    Abstract: A bed cushion providing a soft feeling without bottomed feeling and providing a cushionability even against a small load and a durability, and a bed using the cushion; a forming die for cushion capable of smoothly and neatly releasing a product by reducing a sticky feeling and a blocking produced when releasing the cushion formed by using elastomer; the cushion, comprising thin-walled partition walls erected parallel with each other generally in a lattice shape in plan view, whereby a soft contact feeling near a water bed can be provided while preventing air blow noise from being produced by a user.
    Type: Grant
    Filed: August 12, 2002
    Date of Patent: May 31, 2005
    Assignee: France Bed Co., Ltd.
    Inventors: Shoji Kawamura, Yukihiro Takeda, Kenichi Tsuruhashi, Hirotoshi Kubota, Masao Sasaki
  • Cushion and mold for cushion
    Publication number: 20030110567
    Abstract: A bed cushion providing a soft feeling without bottomed feeling and providing a cushionability even against a small load and a durability, and a bed using the cushion; a forming die for cushion capable of smoothly and neatly releasing a product by reducing a sticky feeling and a blocking produced when releasing the cushion formed by using elastomer; the cushion, comprising thin-walled partition walls erected parallel with each other generally in a lattice shape in plan view, whereby a soft contact feeling near a water bed can be provided while preventing air blow noise from being produced by a user.
    Type: Application
    Filed: August 12, 2002
    Publication date: June 19, 2003
    Inventors: Shoji Kawamura, Yukihiro Takeda, Kenichi Tsuruhashi, Hirotoshi Kubota, Masao Sasaki
  • Cushion and mold for cushion
    Publication number: 20030037377
    Abstract: A bed cushion providing a soft feeling without bottomed feeling and providing a cushionability even against a small load and a durability, and a bed using the cushion; a forming die for cushion capable of smoothly and neatly releasing a product by reducing a sticky feeling and a blocking produced when releasing the cushion formed by using elastomer; the cushion, comprising thin-walled partition walls erected parallel with each other generally in a lattice shape in plan view, whereby a soft contact feeling near a water bed can be provided while preventing air blow noise from being produced by a user.
    Type: Application
    Filed: August 9, 2002
    Publication date: February 27, 2003
    Inventors: Shoji Kawamura, Yukihiro Takeda, Kenichi Tsuruhashi, Hirotoshi Kubota, Masao Sasaki