Patents by Inventor Yoji Maki

Yoji Maki 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: 6729154
    Abstract: An air conditioner having a dust removing device which enables dust having stuck to its filters to be automatically removed without fail and prevents the removed dust from sticking again to the filters is to be provided. It is equipped with a sliding device 6 (motor 6) for sliding in a prescribed direction filters 5 arranged between an air intake port 121 and a heat exchanger 3, and with cleaners 7 to remove dust having stuck to the filters 5, automatically cleans the filters 5 and prevents the removed dust from being brought out of the cleaners 7.
    Type: Grant
    Filed: June 19, 2003
    Date of Patent: May 4, 2004
    Assignee: Fujitsu General Limited
    Inventors: Shinsei Takashima, Masamitsu Usui, Hideyuki Umenaka, Yoji Maki
  • Publication number: 20040000160
    Abstract: An air conditioner having a dust removing device which enables dust having stuck to its filters to be automatically removed without fail and prevents the removed dust from sticking again to the filters is to be provided. It is equipped with a sliding device 6 (motor 6) for sliding in a prescribed direction filters 5 arranged between an air intake port 121 and a heat exchanger 3, and with cleaners 7 to remove dust having stuck to the filters 5, automatically cleans the filters 5 and prevents the removed dust from being brought out of the cleaners 7.
    Type: Application
    Filed: June 19, 2003
    Publication date: January 1, 2004
    Applicant: FUJITSU GENERAL LIMITED
    Inventors: Shinsei Takashima, Masamitsu Usui, Hideyuki Umenaka, Yoji Maki
  • Patent number: D299233
    Type: Grant
    Filed: July 16, 1986
    Date of Patent: January 3, 1989
    Assignee: Fujitsu General Limited
    Inventors: Yoji Maki, Hideo Yoshikawa