Patents by Inventor Keiji Kitamura

Keiji Kitamura 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: 6904703
    Abstract: In the dry clearing machine, a common refrigerator is used for both the solvent cooler and the drying cooler, and the coolant compressed and liquefied in the refrigerator is supplied either one of the heat exchanger of the solvent cooler or that of the drying cooler, depending on the state of a switch. In the heat exchanger selected by the switch, the coolant is supplied and the solvent or the air is cooled when the coolant evaporates. That is, only the cooler selected by the switch works, but the other cooler not selected by the switch does not work. While the laundry is washed, normally, it is not necessary to supply air to the outer tub through the air path, and the drying cooler need not be operated. Thus, in the process of washing, the solvent is adequately cooled because an enough amount of coolant is supplied to the solvent cooler, and the temperature rise of the solvent is prevented.
    Type: Grant
    Filed: April 18, 2003
    Date of Patent: June 14, 2005
    Assignees: Sanyo Electric Co., Ltd., Sanyo Electric Techno Clean Co., Ltd.
    Inventors: Mitsuru Naganawa, Masafumi Nishino, Keiji Kitamura
  • Publication number: 20040010937
    Abstract: In the dry clearing machine, a common refrigerator is used for both the solvent cooler and the drying cooler, and the coolant compressed and liquefied in the refrigerator is supplied either one of the heat exchanger of the solvent cooler or that of the drying cooler, depending on the state of a switch. In the heat exchanger selected by the switch, the coolant is supplied and the solvent or the air is cooled when the coolant evaporates. That is, only the cooler selected by the switch works, but the other cooler not selected by the switch does not work. While the laundry is washed, normally, it is not necessary to supply air to the outer tub through the air path, and the drying cooler need not be operated. Thus, in the process of washing, the solvent is adequately cooled because an enough amount of coolant is supplied to the solvent cooler, and the temperature rise of the solvent is prevented.
    Type: Application
    Filed: April 18, 2003
    Publication date: January 22, 2004
    Applicants: Sanyo Electric Co., Ltd., Sanyo Electric Techno Clean Co., Ltd.
    Inventors: Mitsuru Naganawa, Masafumi Nishino, Keiji Kitamura
  • Patent number: 5010041
    Abstract: A colored low-expansion transparent glass ceramic comprising 100 parts by weight of a base glass (a) having the following composition, the following coloring components (b) and the following auxiliary coloring component (c) mixed thereto in the following ratio, and in that the principal crystalline phase is .beta.-quartz solid solution.(a) Base glass______________________________________ (weight %) ______________________________________ LiO.sub.2 3.5 to 5.5 Na.sub.2 O 0 to 4.0 K.sub.2 O 0 to 4.0 Na.sub.2 O + K.sub.2 O 0.5 to 4.0 MgO 0.1 to 3.0 Al.sub.2 O.sub.3 20.5 to 23.0 SiO.sub.2 60.0 to 68.5 TiO.sub.2 1.0 to 7.0 ZrO.sub.2 0 to 3.5 TiO.sub.2 + ZrO.sub.2 3.5 to 7.0 P.sub.2 O.sub.5 0 to 4.0 ______________________________________(b) Coloring components ______________________________________ (part by weight) ______________________________________ CoO 0 to 0.02 Cr.sub.2 O.sub.3 0 to 0.05 MoO.sub.3 0 to 0.04 NiO 0 to 0.
    Type: Grant
    Filed: August 8, 1989
    Date of Patent: April 23, 1991
    Assignee: Nippon Sheet Glass Co., Ltd.
    Inventors: Akihiro Koyama, Keiji Kitamura, Nobuyuki Yamamoto
  • Patent number: 4024661
    Abstract: A conventional calendar for a dial telephone instrument is improved so that it may be used alternatively either as a calendar which is to be associated with a conventional telephone instrument or stood on a desk or the like. In case the calendar is to be associated with a telephone instrument, a disc portion is removed from a sheet and placed in the central portion of the dial of a telephone instrument. In case the calendar is to be free standing, the upper portion of its peripheral part is bent backwardly to form a supporting leg.
    Type: Grant
    Filed: March 31, 1976
    Date of Patent: May 24, 1977
    Inventors: Keiji Kitamura, Yasuko Furutuki