Patents by Inventor Katsuhiko Uno

Katsuhiko Uno 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: 4904181
    Abstract: The present invention relates to a combustion equipment to be employed for heating in domestic use or the like. The combustion equipment is provided with an air control cylinder having a closed bottom surface inwards of an inner flame cylinder, and an outer control cylinder inwards of a vaporizing portion, and accordingly, radical deterioration of the CO/CO.sub.2 characteristic can be prevented. Furthermore, the air control cylinder is divided into plural stages one above the other and has a through aperture in the lowermost stage connecting said lowermost stage with an inner air path, and at the same time, the outer control cylinder is formed with through holes. Therefore, the combustion equipment of the present invention has a large range of adjustment the combustion volume, and is safe and comfortable in use.
    Type: Grant
    Filed: September 28, 1988
    Date of Patent: February 27, 1990
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Katsuhiko Uno, Katsuhiko Ishikawa, Shojiro Inoue
  • Patent number: 4790746
    Abstract: The present invention relates to a combustion equipment to be employed for heating in domestic use or the like. The combustion equipment is provided with an air control cylinder having a closed bottom surface inwards of an inner flame cylinder, and an outer control cylinder inwards of a vaporizing portion, and accordingly, radical deterioration of the CO/CO.sub.2 characteristic can be prevented. Furthermore, the air control cylinder is divided into plural stages one above the other and has a through aperture in the lowermost stage connecting said lowermost stage with an inner air path, and at the same time, the outer control cylinder is formed with through holes. Therefore, the combustion equuipment of the present invention has a large range of adjustment of the combustion volume, and is safe and comfortable in use.
    Type: Grant
    Filed: March 19, 1987
    Date of Patent: December 13, 1988
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Katsuhiko Uno, Katsuhiko Ishikawa, Shojiro Inoue
  • Patent number: D355527
    Type: Grant
    Filed: June 25, 1993
    Date of Patent: February 21, 1995
    Assignee: Asics Corporation
    Inventors: Kazumasa Yoshikawa, Katsuhiko Uno
  • Patent number: D366354
    Type: Grant
    Filed: September 6, 1994
    Date of Patent: January 23, 1996
    Assignee: Asics Corporation
    Inventors: Kazumasa Yoshikawa, Katsuhiko Uno, Wataru Ueda