Patents by Inventor Makoto Okabayashi
Makoto Okabayashi 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).
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Patent number: 5864087Abstract: A thermoelectric device is provided which is good in terms of responsibility to heat, by which a relatively large electric power can be produced, which is good in terms of durability, and which can be manufactured at reduced cost. The thermoelectric device includes a substrate having a thickness of 2.0 mm or less, and a thick-film type thermoelectric material formed on the substrate, and having a thickness of from 0.01 mm to 1.0 mm. The thick-film type thermoelectric material is covered with a glassy coating. By the coating, the thick-film type thermoelectric material is inhibited from coming off, and from deteriorating oxidatively.Type: GrantFiled: June 30, 1997Date of Patent: January 26, 1999Assignee: Technova Inc.Inventors: Takashi Amano, Naoki Kamiya, Makoto Okabayashi
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Patent number: 5547598Abstract: A thermoelectric semiconductor material comprises Si crystal and crystal of metal silicide selected from the group consisting of Fe, Co, Cr, Mn and Ni. It is preferable that the metal silicide is .beta.-FeSi.sub.2. Moreover, the thermoelectric semiconductor material further contains at least one element selected from the group consisting of Vb, VIb, IIIb, VIII, VIIa and VIa in the atomic periodic table as an additive. This element can be used as a dopant. Furthermore, since both the phase of the Si crystal and the phase of the crystal of the metal silicide are changed to be an n-type or a p-type, a thermoelectric characteristics are improved.Type: GrantFiled: August 2, 1994Date of Patent: August 20, 1996Assignee: Technova, Inc.Inventors: Takashi Amano, Makoto Okabayashi
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Patent number: 5484490Abstract: A P-type thermoelectric material consists essentially of iron disilicide, metallic manganese and metallic aluminium dissolved in or alloyed with the iron disilicide, and silicon oxide and/or aluminum oxide present in the iron disilicide. The manganese is contained in an amount of from 1.67 to 4.1 atomic % with respect to a sum of atoms of iron and silicon constituting the iron disilicide, the metallic manganese and the metallic aluminum taken as 100 atomic %, and the metallic aluminum contained in an amount of from 1.33 to 3.33 atomic % with respect thereto, and a sum of the metallic manganese and the metallic aluminum in an amount of from 4.0 to 5.34 atomic % with respect thereto. The P-type thermoelectric material having such a composition produces a thermoelectromotive force equal to or greater than those of the conventional P-type thermoelectric materials comprised of iron disilicide, and it exhibits a mean resistivity equal to or smaller than that of the N-type thermoelectric material.Type: GrantFiled: February 23, 1994Date of Patent: January 16, 1996Assignees: Technova Inc., National Research Institute for MetalsInventors: Shigeki Tokita, Makoto Okabayashi, Takashi Amano, Isao Nishida
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Patent number: 5309770Abstract: A fluid vibrating type flowmeter has a nozzle disposed in a flow passage and defining a nozzle outlet plane extending perpendicular to the flow passage, an enlarged passage disposed downstream of the nozzle and including divergent inner wall surfaces symmetric about an axis of the nozzle, a target disposed centrally of the enlarged passage for obstructing straight movement of streams jetting out of the nozzle, and a constructed passage disposed downstream of the enlarged passage and having a smaller passage width than a rear end of the enlarged passage. Each of the divergent inner wall surfaces includes a main arcuate section continuous from the nozzle outlet plane, a straight diverging wall section continuous from the main arcuate section, and an auxiliary arcuate section continuous at an upstream end thereof from the straight diverging wall section and at a downstream end thereof with the constricted passage.Type: GrantFiled: March 6, 1992Date of Patent: May 10, 1994Assignee: Osaka Gas Co., Ltd.Inventor: Makoto Okabayashi
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Patent number: 5180099Abstract: A process of joining galvanized steel sheets using a solder comprising copper and 10.about.30% by weight nickel with a welding machine. The process of joining the galvanized steel sheets includes a first step of phosphatizing before the joining.Type: GrantFiled: July 18, 1991Date of Patent: January 19, 1993Assignee: Aisin Seiki Kabushiki KaishaInventors: Makoto Okabayashi, Masami Ishii, Juniti Mita, Shigeo Shinagawa
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Patent number: 5093547Abstract: Welding between a rotor and shaft is accomplished by first placing the shaft within a movable holder of a pressure device. The rotor is then placed in the lower or stationary holder of the pressure device. Each holder is an electrode that can electrify the shaft and rotor. The stationary holder is a cup or container which has inside the cup, a low melting point alloy which conducts electricity from the lower electrode to the rotor to prevent concentration of electricity. Welding is finished by lowering the shaft onto the rotor which is in the cup which is heated to liquefy the low melting point alloy. As the shaft and rotor are pressed together, current is passed through each by the electrodes. The junction of the shaft and rotor are melted and thus joined. After cooling, any of the low melting point metal which remains on the rotor is removed by inserting the rotor in boiling water.Type: GrantFiled: March 28, 1990Date of Patent: March 3, 1992Assignee: Aisin Seiki Kabushiki KaishaInventors: Toshikuni Kusano, Makoto Okabayashi, Masami Ishii, Toshiro Kawakami
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Patent number: 4854176Abstract: A fluidic flowmeter having a reduced diameter pipe portion, a discharge nozzle and an enlarged diameter pipe portion disposed in series in the order of fluid flow direction, a pair of control nozzles formed on a boundary between the discharge nozzle and the enlarged diameter pipe portion and oriented substantially normal to the discharge direction of the discharge nozzle, the control nozzles facing each other, a pair of return flow passages connecting between the respective control nozzles and a downstream side of the enlarged diameter pipe portion, a target for stabilizing switching of fluid flow direction at the enlarged diameter pipe portion, a flow amount measuring sensor for detecting a variation in pressure or flow amount due to a variation in the flow direction of discharged fluid from the discharge nozzle, a pair of first partition walls for sectioning the enlarged diameter pipe portion, the control nozzles and the return flow passages, a second partition wall for forming discharge passages together wType: GrantFiled: June 16, 1988Date of Patent: August 8, 1989Assignee: Osaka Gas Co., Ltd.Inventor: Makoto Okabayashi
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Patent number: 4610162Abstract: A fluidic flowmeter comprising a combination of an upstream fluidic element and a downstream fluidic element. One of the fluidic elements includes a jet nozzle having a smaller opening area than a jet nozzle of the other. The flowmeter further comprises a bypass passage disposed parallel to the former fluidic element and including valve means, preferably a diaphragm type governor valve. The governor valve includes a main valve member and an auxiliary valve member adapted to open by a fluid pressure upstream thereof when the main valve member is in a closed position. Each of the fluidic elements has a sensor disposed in one of return passages to detect flow rate variations therein. A flow rate indicating device is provided to derive flow rates from signals received from the sensors and indicate the flow rates.Type: GrantFiled: June 27, 1985Date of Patent: September 9, 1986Assignee: Osaka Gas CompanyInventors: Makoto Okabayashi, Masao Haruta
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Patent number: 4480988Abstract: A surface combustion type burner with air supply entirely as primary air has metallic netting defining a combustion surface, and is characterized in that in close supporting contact behind the metallic netting, substantially all over the entire rear surface of the metallic netting, there is disposed a punched or perforated metal base which has an open or void perforation ratio smaller than that of the metallic netting.Type: GrantFiled: May 17, 1982Date of Patent: November 6, 1984Assignee: Osaka Gas Company, LimitedInventors: Makoto Okabayashi, Yasuo Takeishi, Yoichi Higuchi, Kazuto Taguchi