Patents by Inventor Hirokazu Sakai

Hirokazu Sakai 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: 6141983
    Abstract: The constitution comprises a grille for sucking air, a heat exchanger for exchanging heat with the air, a blower for feeding the air exchanged of heat by the heat exchanger, and an air diffuser for blowing out the wind generated by the blower. The air diffuser has such a shape that the direction of the wind blown out from both ends in a horizontal direction may be the lower direction than the direction of the wind blown out from the center in the horizontal direction. The air diffuser has such a shape that the outer circumference of the section in the horizontal direction has a nearly arc shape. It can be installed at a corner of mutually adjacent walls of a room or on a wall. In this constitution, the heat exchanged wind reaches uniformly all parts of the room, and the comfort is notably enhanced. At the same time, generation of unusual sound is suppressed.
    Type: Grant
    Filed: April 30, 1999
    Date of Patent: November 7, 2000
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Kazuhiro Nishikawa, Hirozumi Ito, Noriya Asada, Chiaki Morimoto, Hirokazu Sakai, Shigeki Tomita
  • Patent number: 5847322
    Abstract: An insulating tape or sheet comprising a polyester film layer and a polyolefin adhesive layer having a flexural modulus of 500-20000 kgf/cm.sup.2. The insulating tape or sheet of the present invention can provide an insulated wire having superior buckling resistance and is very low in cost.
    Type: Grant
    Filed: November 4, 1996
    Date of Patent: December 8, 1998
    Assignees: Tokai Rubber Industries, Ltd., Mitsubishi Cable Industries, Ltd.
    Inventors: Hirokazu Sakai, Takayuki Shimizu, Ryuzo Asano, Naotoshi Miyahara, Kiyoshi Furukawa, Masaaki Nagai, Hiromasa Honjo, Hiroyuki Kamibayashi
  • Patent number: 5775125
    Abstract: An integrated air conditioner is provided which realizes an improvement in the indoor- and outdoor-side ventilating circuits, an enhancement in air quantity performance, a reduction in noise, an enhancement in heat exchanging ability, compacting, and simplification in an installing operation. The integrated air conditioner has an indoor-side ventilating circuit (4) which is constituted by an indoor-side heat exchanger (5), two indoor-side air blowers (6) with centrifugal fans, an indoor-side suction port (2), and an indoor-side blowoff port (3); an outdoor-side ventilating circuit (9) which is constituted by an outdoor-side heat exchanger (10), an outdoor-side air blower (6) with an axial-flow fan, an outdoor-side suction port (7), and an outdoor-side blowoff port (8); ducts for leading the indoor-side suction port (2) and the indoor-side blowoff port (3) to an indoor side; and a compressor (12).
    Type: Grant
    Filed: December 3, 1996
    Date of Patent: July 7, 1998
    Assignee: Matsushita Industrial Electric Co., Ltd.
    Inventors: Hirokazu Sakai, Takashi Sugio
  • Patent number: 5591522
    Abstract: An insulating tape or sheet comprising a polyester film layer and a polyolefin adhesive layer having a flexural modulus of 500-20000 kgf/cm.sup.2. The insulating tape or sheet of the present invention can provide an insulated wire having superior buckling resistance and is very low in cost.
    Type: Grant
    Filed: November 23, 1994
    Date of Patent: January 7, 1997
    Assignees: Tokai Rubber Industries, Ltd., Mitsubishi Cable Industries, Ltd.
    Inventors: Hirokazu Sakai, Takayuki Shimizu, Ryuzo Asano, Naotoshi Miyahara, Kiyoshi Furukawa, Masaaki Nagai, Hiromasa Honjo, Hiroyuki Kamibayashi