Patents by Inventor Yoshiko Yamane

Yoshiko Yamane 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).

  • Microwave oven with temperature-dependent automatic stop
    Patent number: 6590192
    Abstract: A microwave oven determines an appropriate time to stop heating even if multiple food items are placed in the heating chamber. After any position on the bottom surface of the microwave oven reaches 75 deg C., a search is made for any other position having a temperature of at least 70 deg C. If such a position is detected, heating is concentrated on that position until it reaches 75 deg C. When all food-containing positions in the microwave oven have reached a temperature of at least 75 deg C., the heating operation performed by the magnetron is stopped.
    Type: Grant
    Filed: February 26, 2002
    Date of Patent: July 8, 2003
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Kazuo Taino, Hiroyasu Kitagawa, Kazuko Tanaka, Yoshiko Yamane
  • Microwave oven with food search and localized heating
    Patent number: 6563097
    Abstract: A microwave oven heats all food in an appropriate manner even if food items are simultaneously placed at multiple locations in a heating chamber. An auxiliary antenna is periodically stopped at an orientation corresponding to a position where a lowest temperature was detected at the start of the heating operation. Between stopped periods, the auxiliary antenna is rotated for a period to apply heat evenly to all food in the oven. If multiple low-temperature points are detected, the central position of these multiple low-temperature points is used for applying concentrated heat.
    Type: Grant
    Filed: February 26, 2002
    Date of Patent: May 13, 2003
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Kazuo Taino, Hiroyasu Kitagawa, Kazuko Tanaka, Yoshiko Yamane
  • Microwave oven with food search and localized heating
    Publication number: 20020162836
    Abstract: A microwave oven heats all food in an appropriate manner even if food items are simultaneously placed at multiple locations in a heating chamber. An auxiliary antenna is periodically stopped at an orientation corresponding to a position where a lowest temperature was detected at the start of the heating operation. Between stopped periods, the auxiliary antenna is rotated for a period to apply heat evenly to all food in the oven. If multiple low-temperature points are detected, the central position of these multiple low-temperature points is used for applying concentrated heat.
    Type: Application
    Filed: February 26, 2002
    Publication date: November 7, 2002
    Inventors: Kazuo Taino, Hiroyasu Kitagawa, Kazuko Tanaka, Yoshiko Yamane
  • Microwave oven with temperature-dependent automatic stop
    Publication number: 20020158065
    Abstract: A microwave oven determines an appropriate time to stop heating even if multiple food items are placed in the heating chamber. After any position on the bottom surface of the microwave oven reaches 75 deg C., a search is made for any other position having a temperature of at least 70 deg C. If such a position is detected, heating is concentrated on that position until it reaches 75 deg C. When all food-containing positions in the microwave oven have reached a temperature of at least 75 deg C., the heating operation performed by the magnetron is stopped.
    Type: Application
    Filed: February 26, 2002
    Publication date: October 31, 2002
    Inventors: Kazuo Taino, Hiroyasu Kitagawa, Kazuko Tanaka, Yoshiko Yamane