Patents Assigned to Nihon Dennetsu Co., Ltd.
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Patent number: 8193472Abstract: A susceptor [1] is manufactured by providing a protruding part [8] on the joining surface of a retainer plate [4], and additionally providing a groove part [9] composed of a dovetail groove on the joining surface of a heat transfer plate [3] in a position facing the protruding part [8]. By fitting the protruding part [8] into the groove part [9] and caulking, the heat transfer plate [3] and the retainer plate [4] are conjoined.Type: GrantFiled: March 21, 2008Date of Patent: June 5, 2012Assignee: Nihon Dennetsu Co., Ltd.Inventors: Yi Cheng Huang, Kazuyuki Fukuda, Yasuhisa Sato, Gaku Kumai
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Patent number: 5173587Abstract: An electric heating appliance which is provided with a connecting terminal selecting circuit for the purpose of generating heat in an electric heater in a negative cycle of a commercial AC power source no matter which pole of a plug is connected to a grounding electrode of the power source when the plug is inserted into a plug socket of the power source, the connecting terminal selecting circuit consisting of a delay switch circuit adapted to insulate a heater circuit from the power source for a predetermined period of time when a power source switch is turned on, a heater potential detecting circuit adapted to detect the grounding electrode of the power source, and a change-over switch circuit adapted to connect the anode of an electric power controlling rectifying element for controlling the electric heater to the grounding electrode of the AC power source in accordance with an output signal from the heater potential detecting circuit.Type: GrantFiled: February 19, 1992Date of Patent: December 22, 1992Assignees: Nihon Dennetsu Co., Ltd., Osaka Nishikawa Co., Ltd.Inventors: Shigeru Nakano, Kosaku Mitani
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Patent number: 4860523Abstract: The hermetic packaging apparatus comprises a nozzle for reducing pressure in a thermoplastic packaging bag containing certain contents, the nozzle reduces pressure in the packaging bag by the pressure control of the air pump and the water sucked from the contents is directed to a strainer tank. Thereafter, the nozzle moves backward, the opening of the packaging bag is heated by a heating element, and an airtight pressure connecting bar is pressured downward so that the opening portion is heat-sealed by the airtight pressure connecting bar and the sealing base.Type: GrantFiled: October 30, 1987Date of Patent: August 29, 1989Assignees: Sharp Kabushiki Kaisha, Nihon Dennetsu Co., Ltd.Inventors: Iwao Teteishi, Yoshiyuki Ogura, Takeshi Hashimoto, Tuguyoshi Ritou, Katsufumi Kajiyama, Fumiaki Shimizu, Kenji Tanaka, Yutaka Aibara, Hiroaki Kataoka, Katsuya Nakai, Takashi Yoshikawa, Masaaki Kanamori, Masao Miyajima, Shuzo Seki, Sadanobu Takahashi
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Patent number: 4399493Abstract: An artificial-flower ornamental ware which can be illuminated is disclosed, in which conductors disposed in a peduncle part of an artificial flower having a miniature lighting bulb are coaxially arranged and contact points of an electrode in which the peduncle part is plugged are provided in a vertically spaced manner, and with which the peduncle part is plugged in the electrode free of a specific position or rotational direction in which the peduncle part is at the time of plugging.Type: GrantFiled: December 30, 1981Date of Patent: August 16, 1983Assignee: Nihon Dennetsu Co., Ltd.Inventors: Yoshihiko Kurita, Naotaka Uchida
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Patent number: 4138655Abstract: A high temperature sensor in which a mixture of a metal fluoride composition and magnesium oxide is filled with pressure into a cylindrical case forming one electrical terminal for supporting a conductive rod forming the other electrical terminal, the high temperature sensor being prevented from malfunction of the sensor due to any vibration and having a high response speed for temperature detection to a change of temperature of the atmosphere.Type: GrantFiled: December 19, 1977Date of Patent: February 6, 1979Assignees: Niles Parts Co., Ltd., Nihon Dennetsu Co., Ltd.Inventors: Masamitsu Nakano, Iwao Inoue