Patents by Inventor Kouji Yamashita
Kouji Yamashita 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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Publication number: 20070204635Abstract: By studying or storing refrigerating cycle characteristics of an air conditioning apparatus at the normal time and comparing them with refrigerating cycle characteristics acquired from the air conditioning apparatus at the time of operation, it becomes possible to exactly and accurately diagnose normality or abnormality of the air conditioning apparatus under any installation conditions and environmental conditions, which eliminates operations of inputting a difference between apparatus model names, a piping length, a height difference, etc at the time of apparatus installation. Accordingly, it aims at shortening the time of judging normality or abnormality, and improving the operability.Type: ApplicationFiled: February 24, 2005Publication date: September 6, 2007Applicant: Mitsubishi Denki Kabushiki KaishaInventors: Kousuke Tanaka, Kouji Yamashita, Yasunori Shida, Masahumi Tomita
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Publication number: 20070204927Abstract: [Problems] In a reduction in fluid pressure pulsation, a large space has been required for liquid expansion and a larger pressure loss has been involved. [Solving Means] A pressure pulsation reducing device has a flow path through which pressure pulsation is transmitted, an inner tube placed in the flow path and constructed so that most part of fluid flowing inside the flow path flows around the inner tube, and small holes provided in the inner tube for expelling jet flows into the flow path by a pressure difference between the inside and the outside of the inner tube. The jet flows are expelled from the inner tube to a contracted flow section provided around the outer periphery of the inner tube to reduce pressure pulsation of the contracted flow section.Type: ApplicationFiled: March 29, 2005Publication date: September 6, 2007Applicants: Mitsubishi Electric Corporation, Japan Aerospace Exploration AgencyInventors: Kouji Yamashita, Tatsuya Ishii
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Publication number: 20070060038Abstract: Air conditioning equipment that ensures sufficient noise reduction in the low frequency range of a few hundred hertz or below. The air conditioning equipment is characterized by including a heat exchanger for exchanging heat between air and refrigerant of a refrigeration cycle, a fan that supplies air to the heat exchanger, an air duct in which the fan is installed and through which acoustic waves are propagated, and a plurality of small holes that blows a jet into the air duct and sucks a jet from the air duct by a pressure difference between the blow side and the suction side of the fan.Type: ApplicationFiled: August 26, 2003Publication date: March 15, 2007Applicants: MITSUBISHI DENKI KABUSHIKI KAISHA, JAPAN AEROSPACE EXPLORATION AGENCYInventors: Kouji Yamashita, Tsuyoshi Uchida, Tatsuya Ishii, Katsumi Takeda, Hideshi Oinuma, Kenichiro Nagai
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Publication number: 20070052371Abstract: A discharge lamp ballast is designed to limit or interrupt its AC output power to the discharge lamp upon occurrence of an abnormal discharge outside of an arc tube. A detector is included to examine a lamp voltage once in each of the positive and negative half-cycles or in each one complete cycle of the AC output power, and identifies the abnormal discharge when there is a particular change in the monitored lamp voltage. The particular change may be defined by a single logic or by combination of several logics each designed to represent specific characteristic for the abnormal discharges of several types.Type: ApplicationFiled: April 22, 2004Publication date: March 8, 2007Inventors: Kenichi Fukuda, Kouji Yamashita
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Publication number: 20070031138Abstract: Mobile equipment includes LEDs supplied with a current to emit red light, green light and blue light, FETs and a booster circuit for controlling the current supplied. The current supplied is controlled to supply all of the LED with a current of a low level to illuminate an object in a shooting mode with light for illumination. Thus in the shooting mode a white spot light illuminates the object, and the object can clearly be confirmed. At the moment of shooting, a current supplied can be increased at a burst to emit white flashlight to illuminate the object. A satisfactory image can thus be obtained. The source of light for illumination can be formed of miniature, light-weight LED, and does not impair in mobility mobile equipment having the source of light incorporated therein.Type: ApplicationFiled: October 13, 2006Publication date: February 8, 2007Inventor: Kouji Yamashita
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Patent number: 7139474Abstract: Mobile equipment includes LEDs supplied with a current to emit red light, green light and blue light, FETs and a booster circuit for controlling the current supplied. The current supplied is controlled to supply all of the LED with a current of a low level to illuminate an object in a shooting mode with light for illumination. Thus in the shooting mode a white spot light illuminates the object, and the object can clearly be confirmed. At the moment of shooting, a current supplied can be increased at a burst to emit white flashlight to illuminate the object. A satisfactory image can thus be obtained. The source of light for illumination can be formed of miniature, light-weight LED, and does not impair in mobility mobile equipment having the source of light incorporated therein.Type: GrantFiled: July 22, 2005Date of Patent: November 21, 2006Assignee: Sharp Kabushiki KaishaInventor: Kouji Yamashita
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Patent number: 7085489Abstract: Mobile equipment includes LEDs supplied with a current to emit red light, green light and blue light, FETs and a booster circuit for controlling the current supplied. The current supplied is controlled to supply all of the LED with a current of a low level to illuminate an object in a shooting mode with light for illumination. Thus in the shooting mode a white spot light illuminates the object, and the object can clearly be confirmed. At the moment of shooting, a current supplied can be increased at a burst to emit white flashlight to illuminate the object. A satisfactory image can thus be obtained. The source of light for illumination can be formed of miniature, light-weight LED, and does not impair in mobility mobile equipment having the source of light incorporated therein.Type: GrantFiled: March 14, 2003Date of Patent: August 1, 2006Assignee: Sharp Kabushiki KaishaInventor: Kouji Yamashita
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Publication number: 20060151191Abstract: Disclosed is a power distribution transformer having a body of the transformer, the body consisting of a coil and an iron core; a tank containing the body of the transformer and an insulation substance which fills an inner space of the tank; and an upper lid of the tank. The tank and/or the upper lid is made of a ferritic stainless steel.Type: ApplicationFiled: December 22, 2005Publication date: July 13, 2006Inventors: Masao Hosokawa, Mitsuaki Kawashima, Kazuyuki Fukui, Kouji Yamashita, Izumi Muto, Eiichiro Ishimaru, Hiroshige Inoue
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Patent number: 7076162Abstract: Mobile equipment includes LEDs supplied with a current to emit red light, green light and blue light, FETs and a booster circuit for controlling the current supplied. The current supplied is controlled to supply all of the LED with a current of a low level to illuminate an object in a shooting mode with light for illumination. Thus in the shooting mode a white spot light illuminates the object, and the object can clearly be confirmed. At the moment of shooting, a current supplied can be increased at a burst to emit white flashlight to illuminate the object. A satisfactory image can thus be obtained. The source of light for illumination can be formed of miniature, light-weight LED, and does not impair in mobility mobile equipment having the source of light incorporated therein.Type: GrantFiled: July 22, 2005Date of Patent: July 11, 2006Assignee: Sharp Kabushiki KaishaInventor: Kouji Yamashita
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Patent number: 7014478Abstract: An electrical connection box includes a housing having a bottom plane with a recessed part at which the bottom plane is at least partially depressed; a circuit substrate accommodated into the housing to be overlapped on the bottom plane, the circuit substrate having a hole connectable to an inside of the recessed part of the housing and a space above the circuit substrate; and a potting material filled so that the circuit substrate can be buried into the housing. The hole is formed at a position corresponding to the recessed part of the housing.Type: GrantFiled: May 18, 2005Date of Patent: March 21, 2006Assignees: Autonetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd., Sumitomo Electric Industries, Ltd.Inventors: Kouji Yamashita, Kouzou Kimura, Takayuki Tomita, Shigeki Yamane
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Publication number: 20050280491Abstract: There is provided a joint structure of a wound iron core in which iron core characteristics can be enhanced by improving the distribution of magnetic flux within an iron core. A wound iron core is formed to provide a joining structure or a butt joining structure and a lap joining structure disposed in an appropriate arrangement in which the a margin of overlapping is more increased as being closer to an outer periphery from an inner periphery of the iron core, taking a distribution of magnetic flux density within the iron core into consideration.Type: ApplicationFiled: May 25, 2005Publication date: December 22, 2005Applicant: Hitachi, Ltd.Inventors: Kouji Yamashita, Youji Matsuda, Kazuo Nishiyama, Masao Hosokawa, Kazuyuki Fukui, Hidemasa Yamaguchi, Tooru Honma, Hiroyuki Endou, Makoto Shinohara
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Publication number: 20050257950Abstract: An electrical connection box includes a housing having a bottom plane with a recessed part at which the bottom plane is at least partially depressed; a circuit substrate accommodated into the housing to be overlapped on the bottom plane, the circuit substrate having a hole connectable to an inside of the recessed part of the housing and a space above the circuit substrate; and a potting material filled so that the circuit substrate can be buried into the housing. The hole is formed at a position corresponding to the recessed part of the housing.Type: ApplicationFiled: May 18, 2005Publication date: November 24, 2005Applicants: Autonetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd., Sumitomo Electric Industries, Ltd.Inventors: Kouji Yamashita, Kouzou Kimura, Takayuki Tomida, Shigeki Yamane
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Publication number: 20050254810Abstract: Mobile equipment includes LEDs supplied with a current to emit red light, green light and blue light, FETs and a booster circuit for controlling the current supplied. The current supplied is controlled to supply all of the LED with a current of a low level to illuminate an object in a shooting mode with light for illumination. Thus in the shooting mode a white spot light illuminates the object, and the object can clearly be confirmed. At the moment of shooting, a current supplied can be increased at a burst to emit white flashlight to illuminate the object. A satisfactory image can thus be obtained. The source of light for illumination can be formed of miniature, light-weight LED, and does not impair in mobility mobile equipment having the source of light incorporated therein.Type: ApplicationFiled: July 22, 2005Publication date: November 17, 2005Inventor: Kouji Yamashita
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Publication number: 20050254809Abstract: Mobile equipment includes LEDs supplied with a current to emit red light, green light and blue light, FETs and a booster circuit for controlling the current supplied. The current supplied is controlled to supply all of the LED with a current of a low level to illuminate an object in a shooting mode with light for illumination. Thus in the shooting mode a white spot light illuminates the object, and the object can clearly be confirmed. At the moment of shooting, a current supplied can be increased at a burst to emit white flashlight to illuminate the object. A satisfactory image can thus be obtained. The source of light for illumination can be formed of miniature, light-weight LED, and does not impair in mobility mobile equipment having the source of light incorporated therein.Type: ApplicationFiled: July 22, 2005Publication date: November 17, 2005Inventor: Kouji Yamashita
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Publication number: 20050148364Abstract: Mobile equipment includes LEDs supplied with a current to emit red light, green light and blue light, FETs and a booster circuit for controlling the current supplied. The current supplied is controlled to supply all of the LED with a current of a low level to illuminate an object in a shooting mode with light for illumination. Thus in the shooting mode a white spot light illuminates the object, and the object can clearly be confirmed. At the moment of shooting, a current supplied can be increased at a burst to emit white flashlight to illuminate the object. A satisfactory image can thus be obtained. The source of light for illumination can be formed of miniature, light-weight LED, and does not impair in mobility mobile equipment having the source of light incorporated therein.Type: ApplicationFiled: March 14, 2003Publication date: July 7, 2005Applicant: Sharp Kabushiki KaishaInventor: Kouji Yamashita
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Patent number: 6863044Abstract: An air intake device for use with an internal combustion engine has an air cleaner case adapted to be mounted on the engine to extend longitudinally along an upper wall of the engine. An opening is formed in a longitudinal end portion of a bottom wall of the air cleaner case. An air cleaner body has an open end that is connected to the opening of the bottom wall of the air cleaner case thereby to communicate an interior of the air cleaner body with that of the air cleaner case. An air cleaner element is put between the air cleaner body and the air cleaner case in a manner to extend across the opening of the bottom wall of the air cleaner case.Type: GrantFiled: February 14, 2003Date of Patent: March 8, 2005Assignees: Nissan Motor Co., Ltd., Mahle Tennex CorporationInventors: Akio Nakamura, Hideaki Miyamoto, Kouji Yamashita, Shinsuke Kitabayashi
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Publication number: 20030154951Abstract: An air intake device for use with an internal combustion engine has an air cleaner case adapted to be mounted on the engine to extend longitudinally along an upper wall of the engine. An opening is formed in a longitudinal end portion of a bottom wall of the air cleaner case. An air cleaner body has an open end that is connected to the opening of the bottom wall of the air cleaner case thereby to communicate an interior of the air cleaner body with that of the air cleaner case. An air cleaner element is put between the air cleaner body and the air cleaner case in a manner to extend across the opening of the bottom wall of the air cleaner case.Type: ApplicationFiled: February 14, 2003Publication date: August 21, 2003Applicant: NISSAN MOTOR CO., LTD.Inventors: Akio Nakamura, Hideaki Miyamoto, Kouji Yamashita, Shinsuke Kitabayashi
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Patent number: 6330979Abstract: In a vehicle air conditioner where a foot mode and a foot/defroster mode can be set, when a target temperature of air blown into a passenger compartment is higher than a predetermined temperature, the foot mode is selected. However, even if the target temperature of air is higher than the predetermined temperature, the foot/defroster mode is selected in place of the foot mode when an outside air temperature is lower than a predetermined temperature and when a vehicle speed is higher than a predetermined speed. In the vehicle air conditioner, because the foot/defroster mode can be suitably automatically selected based on a fog-generation condition of a windshield, both fog-preventing performance of the windshield and heating performance of the passenger compartment are improved during heating operation.Type: GrantFiled: December 4, 2000Date of Patent: December 18, 2001Assignees: Denso Corporation, Toyota Jidosha Kabushiki KaishaInventors: Kouji Yamashita, Satohisa Yoshida, Makoto Umebayashi, Seiji Kamei, Hiroyuki Hotta, Hidekazu Uramune
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Patent number: 6325104Abstract: A hydraulic circuit of the present invention comprises a single pump, a precedence valve connected to a discharge pipe of the pump and having a high-pressure side output port and a low-pressure side output port for respectively distributing pressure oil to a high-pressure side circuit and a low-pressure side circuit, a high-pressure specified operation valve connected to one of the output port of the precedence valve, an actuator connected to the high-pressure specified operation valve, a pressure reducing valve connected to the other output port of the precedence valve, low-pressure specified operation valves connected to an output port of the pressure reducing valve, and another actuator connected to the low-pressure specified operation valves. When a load is applied to the actuator connected to the high-pressure specified operation valve, the pressure oil from the pump is supplied to the high-pressure specified operation valve with higher priority.Type: GrantFiled: February 2, 2000Date of Patent: December 4, 2001Assignee: Komatsu LimitedInventor: Kouji Yamashita
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Publication number: 20010004090Abstract: In a vehicle air conditioner where a foot mode and a foot/defroster mode can be set, when a target temperature of air blown into a passenger compartment is higher than a predetermined temperature, the foot mode is selected. However, even if the target temperature of air is higher than the predetermined temperature, the foot/defroster mode is selected in place of the foot mode when an outside air temperature is lower than a predetermined temperature and when a vehicle speed is higher than a predetermined speed. In the vehicle air conditioner, because the foot/defroster mode can be suitably automatically selected based on a fog-generation condition of a windshield, both fog-preventing performance of the windshield and heating performance of the passenger compartment are improved during heating operation.Type: ApplicationFiled: December 4, 2000Publication date: June 21, 2001Inventors: Kouji Yamashita, Satohisa Yoshida, Makoto Umebayashi, Seiji Kamei, Hiroyuki Hotta, Hidekazu Uramune