Patents by Inventor Kazuo Takemasa

Kazuo Takemasa 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: 7076960
    Abstract: To provide a preserving system capable of re-using vaporized nitrogen, and moreover, capable of always cooling the specimens at a predetermined temperature or lower. The preserving system comprising a cylinder and the preserving vessel which is supplied with liquid nitrogen from this cylinder, is provided with a Stirling refrigerator and a condensing chamber arranged outside of said preserving vessel, and the gas phase part of this condensing chamber is made to communicate with that of said preserving vessel and also the liquid phase part is made to communicate with that of said preserving vessel, and further the cooling part of said Stirling refrigerator is arranged in said condensing chamber, therefore, the nitrogen vaporized in the preserving vessel is cooled by the cooling part of the Stirling refrigerator in the condensing chamber and liquefied again, and so this liquid nitrogen can be reused for cooling the preserving vessel.
    Type: Grant
    Filed: June 24, 2003
    Date of Patent: July 18, 2006
    Assignee: Sanyo Electric Co., Ltd.
    Inventor: Kazuo Takemasa
  • Publication number: 20040000151
    Abstract: To provide a preserving system capable of re-using vaporized nitrogen, and moreover, capable of always cooling the specimens at a predetermined temperature or lower. The preserving system comprising a cylinder and the preserving vessel which is supplied with liquid nitrogen from this cylinder, is provided with a Stirling refrigerator and a condensing chamber arranged outside of said preserving vessel, and the gas phase part of this condensing chamber is made to communicate with that of said preserving vessel and also the liquid phase part is made to communicate with that of said preserving vessel, and further the cooling part of said Stirling refrigerator is arranged in said condensing chamber, therefore, the nitrogen vaporized in the preserving vessel is cooled by the cooling part of the Stirling refrigerator in the condensing chamber and liquefied again, and so this liquid nitrogen can be reused for cooling the preserving vessel.
    Type: Application
    Filed: June 24, 2003
    Publication date: January 1, 2004
    Applicants: Sanyo Electric Co., Ltd., Sanyo Electric Biomedical Co., Ltd.
    Inventor: Kazuo Takemasa
  • Patent number: 6520096
    Abstract: A disposal apparatus comprise a combustion furnace and a refrigerant feed unit for drawing out a combustible fluorine-series refrigerant composition containing a fluorine-series refrigerant and C1-C5 hydrocarbons from a refrigeration apparatus when the refrigeration apparatus packed therewith is to be disposed, wherein the disposal apparatus combusts and decomposes the refrigerant composition so as to avoid the atmospheric discharge of the not-yet-decomposed fluorine-series refrigerant gas together with the discharge of discharge gas.
    Type: Grant
    Filed: March 23, 1999
    Date of Patent: February 18, 2003
    Assignee: Sanyo Electric Co., Ltd.
    Inventor: Kazuo Takemasa
  • Patent number: 6449962
    Abstract: There is disclosed an apparatus for easily recovering a refrigerant from a refrigerant circuit of a refrigeration apparatus at a low cost. A refrigerant recovery apparatus 6A is provided with a pipeline 7 for connection to the refrigerant circuit, a valve 17 with a clamping/piercing function disposed on the tip end of this pipeline 7, and a refrigerant recovery main body 10A containing a solid adsorbent 9 which can selectively adsorb the refrigerant, and the clamping/piercing function valve 17 is attached to the refrigerant circuit to make a small hole in the refrigerant circuit so that the refrigerant is adsorbed/recovered to the solid adsorbent 9.
    Type: Grant
    Filed: February 11, 2000
    Date of Patent: September 17, 2002
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Kazuo Takemasa, Takayuki Shimizu, Jiro Yuzawa, Katsuhiko Inoue, Fukuji Yoshida, Yonezo Ikumi
  • Publication number: 20020042553
    Abstract: Providing a disposal apparatus for drawing out a combustible fluorine-series refrigerant composition containing a fluorine-series refrigerant and C1-C5 hydrocarbons when a refrigeration apparatus packed therewith is to be disposed because of no use and combusting and decomposing the composition so as to avoid the atmospheric discharge of not-yet-decomposed fluorine-series refrigerant gases together with the discharge of discharge gas.
    Type: Application
    Filed: March 23, 1999
    Publication date: April 11, 2002
    Inventor: KAZUO TAKEMASA
  • Patent number: 6363741
    Abstract: A refrigerant composition comprising difluoromethane (R-32), pentafluoroethane (R-125), 1,1,1,2-tetrafluoroethane (R-134a), and n-pentane, preferably prepared by mixing n-pentane preliminarily in R-134a, and mixing into a refrigerant of R-32 and R-125, with the n-pentane contained in a range of 0.1 wt. % to 14 wt. % of the total weight, and a refrigerating apparatus employing the refrigerant composition composed of above. It is an object of the present invention to develop a nonflammable refrigerant composition capable of using refrigerating machine oil such as mineral oil and alkyl benzene which is used in refrigerating apparatus, none in risk of destroying the ozone layer, excellent in cooling performance, superior in lubricating performance, and outstanding in heat resistance.
    Type: Grant
    Filed: April 2, 2001
    Date of Patent: April 2, 2002
    Assignee: Sanyo Electric Co., Ltd.
    Inventor: Kazuo Takemasa
  • Publication number: 20010017364
    Abstract: A refrigerant composition comprising difluoromethane (R-32), pentafluoroethane (R-125), 1,1,1,2-tetrafluoroethane (R-134a), and n-pentane, preferably prepared by mixing n-pentane preliminarily in R-134a, and mixing into a refrigerant of R-32 and R-125, with the n-pentane contained in a range of 0.1 wt. % to 14 wt. % of the total weight, and a refrigerating apparatus employing the refrigerant composition composed of above. It is an object of the present invention to develop a nonflammable refrigerant composition capable of using refrigerating machine oil such as mineral oil and alkyl benzene which is used in refrigerating apparatus, none in risk of destroying the ozone layer, excellent in cooling performance, superior in lubricating performance, and outstanding in heat resistance.
    Type: Application
    Filed: April 2, 2001
    Publication date: August 30, 2001
    Inventor: Kazuo Takemasa
  • Patent number: 5950395
    Abstract: A heat insulating structure comprising a vacuum insulator fixed to a surface on which the vacuum insulator is to be applied is provided for the purpose of improving the workability in fixing the vacuum insulator to the surface to be applied. A thermally adherable layer comprising a thermally adherable material is made between the vacuum insulator and the surface to be applied, and the thermally adherable layer is heated and melted whereby the vacuum insulator is fixed to the surface to be applied.
    Type: Grant
    Filed: February 12, 1997
    Date of Patent: September 14, 1999
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Kazuo Takemasa, Takayuki Shimizu, Yasushi Sakata, Kazushi Yamaoka, Sadami Hagiguchi
  • Patent number: 5908113
    Abstract: An object of the present invention is to prevent a pouch 6 from being broken when it is separated from the rest along a perforation 9 by providing the perforation 9 for separating the pouch 6 and a notch 10 for tearing the pouch, where the direction of said notch intersecting that of the perforation. A sheet of wrapping paper 1 comprises a polypropylene layer and a polyethylene layer formed on a surface of the polypropylene layer for thermal welding. The wrapping paper 1 additionally comprises a printable white layer 4 formed on the other surface of the polypropylene layer and designed to be exposed to the outside when the wrapping paper is longitudinally folded into two halves with the polyethylene layer 3 facing inside. The folded wrapping paper 1 is then thermally welded to produce a plurality of continuously arranged pouches 6 for containing doses.
    Type: Grant
    Filed: February 19, 1998
    Date of Patent: June 1, 1999
    Assignee: Sanyo Electric Co., LTD
    Inventors: Kazuo Takemasa, Manabu Haraguchi, Atsuo Inamura
  • Patent number: 5857307
    Abstract: A heat insulating structure comprising a vacuum insulator fixed to a surface on which the vacuum insulator is to be applied is provided for the purpose of improving the workability in fixing the vacuum insulator to the surface to be applied. A thermally adherable layer comprising a thermally adherable material is made between the vacuum insulator and the surface to be applied, and the thermally adherable layer is heated and melted whereby the vacuum insulator is fixed to the surface to be applied.
    Type: Grant
    Filed: June 20, 1995
    Date of Patent: January 12, 1999
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Kazuo Takemasa, Takayuki Shimizu, Yasushi Sakata, Kazushi Yamaoka, Sadami Hagiguchi
  • Patent number: 5765606
    Abstract: A medication filling apparatus improves workability in filling a predetermined container with medications and also shortens the time required for medication filling. The medication filling apparatus is equipped with tablet cases for containing medications separately by type, a dispensing and counting device for dispensing the medications from the tablet cases and counting the dispensed medications, a turntable and guide for collecting the medications dispensed from the tablet cases, and a holder for filling a vial with the medications.
    Type: Grant
    Filed: December 22, 1995
    Date of Patent: June 16, 1998
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Kazuo Takemasa, Manabu Haraguchi
  • Patent number: 5351499
    Abstract: A refrigerant composition capable of attaining a temperature as low as -80.degree. C., without using regulated refrigerants having a high potential of destroying the ozonosphere and capable of being used as a substituent refrigerant for R503 in view of refrigerating or other performance is provided. A refrigerant composition comprises an azeotropic mixture of trifluoromethane and hexafluoromethane.
    Type: Grant
    Filed: April 9, 1993
    Date of Patent: October 4, 1994
    Assignee: Sanyo Electric Co., Ltd.
    Inventor: Kazuo Takemasa
  • Patent number: 5348441
    Abstract: A parts tray conveying system includes a first station for supplying a plurality of occupied trays each containing parts under a stacked condition; a second station for separating the occupied trays under the stacked condition one by one from the upper stage; and a third station for conveying the occupied trays. Also provided is a device for taking an upper-most one of the occupied trays under the stacked condition from the second station to the third station; a fourth station for discharging a plurality of empty trays each containing no parts one by one from the third station; and a fifth station for stacking the empty trays discharged by the fourth station. Accordingly, a large number of the parts trays can be compactly set under the stacked condition in the conveying system to thereby effectively utilize space in the conveying system.
    Type: Grant
    Filed: April 10, 1991
    Date of Patent: September 20, 1994
    Assignee: Sony Corporation
    Inventors: Kazuo Takemasa, Shoichi Hayashi, Tsuyoshi Inoue, Hideo Tanaami
  • Patent number: 5265443
    Abstract: The present invention provides a refrigerating unit comprising a high temperature side refrigerant circuit (2) and a low temperature side refrigerant circuit (3) for forming an independent refrigerant closed-circuit (3) for forming an independent closed-circuit which exhibits a refrigerating effect by that a refrigerant discharged from each compressor (4) and (10) is condensed and then is evaporated, and an evaporator (14) of the high temperature side refrigerant circuit (2) and a condenser (23) of the low temperature side refrigerant circuit (3) form a thermal exchanger (25), wherein a non-azeotropic mixture refrigerant comprising; (a) an inorganic refrigerant selected from the group consisting of argon and nitrogen, (b) a hydrocarbon which makes (a) component liquidize, and (c) at least one refrigerant selected from the group consisting of hydrochlorofluorocarbon, hydrofluorocarbon, hydrocarbon and fluorocarbon, which makes (b) component liquidize, is sealed into the low temperature side refrigerant circuit
    Type: Grant
    Filed: May 27, 1992
    Date of Patent: November 30, 1993
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Jiro Yuzawa, Kazuo Takemasa, Katuhiko Inoue, Fukuji Yoshida, Yutaka Ohmori
  • Patent number: 5254279
    Abstract: A refrigerant composition consisting essentially of chlorodifluoromethane, 1-chloro-1, 1-difluoroethane and octafluoropropane, said composition, while preventing the bad influence on ozone layer and maintaining the environment of working place in a nonhazardous condition, can be used as a substitute for R500 or R502 owing to the obtainability of the desired refrigerating capacity and a good return of oil.
    Type: Grant
    Filed: March 30, 1992
    Date of Patent: October 19, 1993
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Kazuo Takemasa, Yutaka Ohmori, Jiro Yuzawa
  • Patent number: 5062985
    Abstract: The present invention provides a refrigerant composition including dichloromonofluoromethane and one or more fluoroalkyl compounds selected from trifluoromethane, pentafluoroethane, monochlorodifluoromethane, and 1-chloro-1,1-difluoroethane, this refrigerant composition having a considerably reduced depletion potential of ozone in the ozonosphere, achieving a satisfactory refrigerating temperature, and preventing seizing of the compressor of a refrigerating system.
    Type: Grant
    Filed: June 15, 1990
    Date of Patent: November 5, 1991
    Assignee: Sanyo Electric Co., Ltd.
    Inventor: Kazuo Takemasa
  • Patent number: 4788829
    Abstract: A refrigeration system includes first and second refrigerant circuits each having a compressor, a condenser and an evaporator, each of the refrigerant circuits being charged with an organic refrigerant. The evaporator of the first refrigerant circuit is divided into a plurality of evaporator portions connected together in series. The condenser of the second refrigerant circuit is divided into condenser portions equal in number to the number of the evaporator portions of the first refrigerant circuit. The condenser portions of the second refrigerant circuit are paired with the evaporator portions of the first refrigerant circuit to provide heat exchangers. The refrigerant of the second refrigerant circuit is a mixture of refrigerants different in kind and in boiling point.
    Type: Grant
    Filed: September 24, 1986
    Date of Patent: December 6, 1988
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Kazuo Takemasa, Fukuji Yoshida, Kenji Iwasa