Patents by Inventor Akira Nakano

Akira Nakano 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: 10006559
    Abstract: A valve device includes: a body including a gas passage through which gas flows and an accommodation recess that communicates with the gas passage; a valve mechanism that controls flow of the gas flowing through the gas passage; and a cover fixed to the body such that the cover covers the accommodation recess. In the valve device, the cover includes a cover recess that opens toward the accommodation recess, and the valve mechanism is assembled to the body such that the valve mechanism is accommodated in the accommodation recess with a portion of the valve mechanism protruding from the accommodation recess and the portion of the valve mechanism is accommodated in the cover recess.
    Type: Grant
    Filed: January 9, 2015
    Date of Patent: June 26, 2018
    Assignees: JTEKT CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Toshikatsu Kubo, Akira Nakano, Shusuke Inagi, Akira Yamashita
  • Publication number: 20180136672
    Abstract: A pressure reducing valve device includes a first body; a second body; a valve mechanism accommodated in the first body, and including a valve seat and a valve element; and a piston that is accommodated in the second body, defines a pressure reducing chamber, and is configured to move in accordance with a pressure in the pressure reducing chamber so as to move the valve element. The first body is connected to an inner portion of a connection portion having a bottomed cylindrical shape. The connection portion is provided in the second bods to protrude outward. The valve seat is held between the first body and the second body in a direction in which the first body and the second body are attached to each other such that the valve seat is fixed in a flow passage.
    Type: Application
    Filed: November 2, 2017
    Publication date: May 17, 2018
    Applicants: JTEKT CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Akira NAKANO, Toshikatsu KUBO, Shota YAMAMATO, Akira YAMASHITA, Yutaka HOTTA, Eiji OKAWACHI
  • Publication number: 20180087682
    Abstract: In a pressure reduction valve device, a valve body and a distal end portion of a support member are accommodated in a valve accommodation hole of a body. The distal end portion is inserted through an urging member accommodation hole. An inner introduction passage is formed between an outer peripheral surface of the distal end portion and an inner peripheral surface of the urging member accommodation hole. An outer introduction passage is formed between an outer surface of the valve body and an inner surface of the valve accommodation hole. The support member is provided with communication holes that establish communication between a gas inlet provided through the body and the valve accommodation hole in an axial direction. The inner introduction passage and the outer introduction passage are opposed, in an axial direction thereof, to the communication passage.
    Type: Application
    Filed: September 26, 2017
    Publication date: March 29, 2018
    Applicants: JTEKT CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Toshikatsu KUBO, Masayuki SEKINE, Akira NAKANO, Shota YAMAMOTO, Yutaka HOTTA, Akira YAMASHITA
  • Patent number: 9927817
    Abstract: A throttle valve includes a throttle valve element; a support member that supports the throttle valve element, the support member including a valve element support portion, and a shaft portion that is connected to the valve element support portion, the shaft portion having a gas passage and an inlet port; a mounting member that mounts the support member in a throttle valve flow passage; a filter that is disposed on an outer peripheral surface of the shaft portion to cover the inlet port, in a space whose axial length is defined by the shaft portion and the mounting member; and gaskets that are respectively disposed between one axial end of the filter and the mounting member and between the other axial end of the filter and the shaft portion.
    Type: Grant
    Filed: October 26, 2015
    Date of Patent: March 27, 2018
    Assignees: JTEKT CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Akio Nakamura, Akira Nakano, Shusuke Inagi, Akira Yamashita, Masaaki Kondo
  • Patent number: 9745973
    Abstract: A hermetic compressor includes a closed vessel for storing lubricating oil, an electric-driving element, and a compressing element driven by the electric-driving element. The compressing element includes a cylinder block forming a compression chamber, a piton that reciprocates inside the compression chamber, and an oiling device for supplying the lubricating oil to an outer circumference of the piston. A first oil groove is concavely formed on the outer circumference of the piston, and a second oil groove is concavely formed on a side opposite to the compression chamber relative to the first oil groove. The second oil groove has a spatial volume same or greater than that of the first oil groove. An expanded clearance portion is provided such that a clearance between the piston and the cylindrical hole portion broadens from a top dead point to a bottom dead point.
    Type: Grant
    Filed: June 18, 2014
    Date of Patent: August 29, 2017
    Assignee: PANASONIC CORPORATION
    Inventors: Ko Inagaki, Akira Nakano, Yoshinori Ishida, Ichiro Morita
  • Patent number: 9670879
    Abstract: A valve apparatus includes a body with a supply passage for gas and a solenoid valve housed in the body. The solenoid valve includes a tubular sleeve internally having a flow passage leading to the supply passage, and a valve element and a valve seat that open and close the flow passage. The solenoid valve includes a driving portion that opens and closes the valve element. A seal member is disposed between an outer wall of the sleeve and an inner wall of the body. A tip of the sleeve on a downstream side of the valve element is exposed from the body.
    Type: Grant
    Filed: April 14, 2015
    Date of Patent: June 6, 2017
    Assignee: JTEKT CORPORATION
    Inventors: Akira Nakano, Toshihiko Shima, Akio Nakamura, Yoshiyuki Takeuchi, Tomoya Noda, Mutsuo Henmi
  • Publication number: 20170019599
    Abstract: In a photographing apparatus, a low-pass selector controller (processor) is configured to perform a plurality of photographing operations including an LPF-ON photographing operation, which obtains an image signal from an image sensor in a state where the image sensor has been LPF driven by the image-shake correction device (driver) and obtains an optical low-pass filter effect, and an LPF-OFF photographing operation, which obtains an image signal from the image sensor in a state where the image sensor has not been LPF driven by the image-shake correction device (driver) and does not obtain an optical low-pass filter effect.
    Type: Application
    Filed: November 6, 2014
    Publication date: January 19, 2017
    Applicant: RICOH IMAGING COMPANY, LTD.
    Inventors: Koichi MURAMATSU, Koichi AKIYAMA, Akira NAKANO
  • Patent number: 9512504
    Abstract: Provided are a method for producing sodium tungstate by supplying an oxidant made of sodium nitrate or sodium nitrite to bring a tungsten containing material and the oxidant into contact with each other in an atmosphere containing oxygen to thereby continuously produce a reaction product; a method for collecting tungsten using the method; and an apparatus for producing sodium tungstate. Also provided are a method for producing a sodium tungstate aqueous solution in which a reductant is introduced into a melt containing the above-described reaction product which is then dissolved in water; and a method for collecting tungsten using the method.
    Type: Grant
    Filed: December 23, 2013
    Date of Patent: December 6, 2016
    Assignees: A.L.M.T Corp., SUMITOMO ELECTRIC HARDMETAL CORP., Sumitomo ELectric Industries, Ltd.
    Inventors: Yoshiharu Yamamoto, Kazuo Sasaya, Takayuki Fudo, Akira Nakano, Syunsuke Yamanaka, Takahisa Iguchi, Fumiatsu Sato, Akihiko Ikegaya
  • Publication number: 20160116918
    Abstract: A throttle valve includes a throttle valve element; a support member that supports the throttle valve element, the support member including a valve element support portion, and a shaft portion that is connected to the valve element support portion, the shaft portion having a gas passage and an inlet port; a mounting member that mounts the support member in a throttle valve flow passage; a filter that is disposed on an outer peripheral surface of the shaft portion to cover the inlet port, in a space whose axial length is defined by the shaft portion and the mounting member; and gaskets that are respectively disposed between one axial end of the filter and the mounting member and between the other axial end of the filter and the shaft portion.
    Type: Application
    Filed: October 26, 2015
    Publication date: April 28, 2016
    Inventors: Akio NAKAMURA, Akira NAKANO, Shusuke INAGI, Akira YAMASHITA, Masaaki KONDO
  • Patent number: 9249479
    Abstract: Provided are a method for producing sodium tungstate by supplying an oxidant made of sodium nitrate or sodium nitrite to bring a tungsten containing material and the oxidant into contact with each other in an atmosphere containing oxygen to thereby continuously produce a reaction product; a method for collecting tungsten using the method; and an apparatus for producing sodium tungstate. Also provided are a method for producing a sodium tungstate aqueous solution in which a reductant is introduced into a melt containing the above-described reaction product which is then dissolved in water; and a method for collecting tungsten using the method.
    Type: Grant
    Filed: December 23, 2013
    Date of Patent: February 2, 2016
    Assignees: A.L.M.T. Corp., SUMITOMO ELECTRIC HARDMETAL CORP., Sumitomo Electric Industries, Ltd.
    Inventors: Yoshiharu Yamamoto, Kazuo Sasaya, Takayuki Fudo, Akira Nakano, Syunsuke Yamanaka, Takahisa Iguchi, Fumiatsu Sato, Akihiko Ikegaya
  • Patent number: 9215371
    Abstract: An imaging apparatus includes an image sensor; an image obtainer that obtains a plurality of images from the image sensor; a posture detector that obtains posture information of the imaging apparatus; a posture information accumulating buffer that accumulates the posture information obtained by the posture detector; and a power saving mode setter that activates and deactivates a power saving mode in which power consumption is suppressed, wherein the power saving mode setter determines to activate and deactivate the power saving mode based on the accumulated posture information in the posture information accumulating buffer.
    Type: Grant
    Filed: February 3, 2012
    Date of Patent: December 15, 2015
    Assignee: RICOH COMPANY, LTD.
    Inventor: Akira Nakano
  • Publication number: 20150300295
    Abstract: A valve apparatus includes a body with a supply passage for gas and a solenoid valve housed in the body. The solenoid valve includes a tubular sleeve internally having a flow passage leading to the supply passage, and a valve element and a valve seat that open and close the flow passage. The solenoid valve includes a driving portion that opens and closes the valve element. A seal member is disposed between an outer wall of the sleeve and an inner wall of the body. A tip of the sleeve on a downstream side of the valve element is exposed from the body.
    Type: Application
    Filed: April 14, 2015
    Publication date: October 22, 2015
    Inventors: Akira NAKANO, Toshihiko SHIMA, Akio NAKAMURA, Yoshiyuki TAKEUCHI, Tomoya NODA, Mutsuo HENMI
  • Publication number: 20150198261
    Abstract: A valve device includes: a body including a gas passage through which gas flows and an accommodation recess that communicates with the gas passage; a valve mechanism that controls flow of the gas flowing through the gas passage; and a cover fixed to the body such that the cover covers the accommodation recess. In the valve device, the cover includes a cover recess that opens toward the accommodation recess, and the valve mechanism is assembled to the body such that the valve mechanism is accommodated in the accommodation recess with a portion of the valve mechanism protruding from the accommodation recess and the portion of the valve mechanism is accommodated in the cover recess.
    Type: Application
    Filed: January 9, 2015
    Publication date: July 16, 2015
    Inventors: Toshikatsu KUBO, Akira NAKANO, Shusuke INAGI, Akira YAMASHITA
  • Patent number: 9021937
    Abstract: Provided is a reciprocating compressor having a structure in which friction losses between a shaft and a bearing can be reduced without impairing the ability of the bearing to support the shaft. A reciprocating compressor (100) includes a cylinder (5), a piston (4), a connecting rod (6), a shaft (1), and a bearing (2). The shaft (1) has a journal portion (28) as a portion covered by the bearing (2). The journal portion (28) has a first journal portion (7) located closer to the connecting rod (6) with respect to a midpoint M of the journal portion (28) in a direction parallel to a rotational axis and a second journal portion (8) located farther from the connecting rod (6) with respect to the midpoint M. The bearing (2) has a first sliding portion (10) for supporting the first journal portion (7) and a second sliding portion (11) for supporting the second journal portion (8).
    Type: Grant
    Filed: March 24, 2010
    Date of Patent: May 5, 2015
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Yoko Sugamoto, Masaru Matsui, Fuminori Sakima, Ko Inagaki, Akira Nakano
  • Patent number: 9019387
    Abstract: An imaging device including an image sensor, includes an image obtaining control unit that obtains plural continuous images of an object taken by the image sensor; a size determining unit that determines an image size of reduced images based on photographing information of at least one of the images, and generates reduced images from the images obtained by the image obtaining control unit based on the determined image size; a motion vector detection unit that detects a motion vector of the reduced images; and an image synthesis unit that synthesizes the images obtained by the image obtaining control unit based on the motion vector detected by the motion vector detection unit to obtain a synthesized image.
    Type: Grant
    Filed: March 7, 2012
    Date of Patent: April 28, 2015
    Assignee: Ricoh Company, Ltd.
    Inventor: Akira Nakano
  • Publication number: 20140308140
    Abstract: A hermetic compressor includes a closed vessel for storing lubricating oil, an electric-driving element, and a compressing element driven by the electric-driving element. The compressing element includes a cylinder block forming a compression chamber, a piton that reciprocates inside the compression chamber, and an oiling device for supplying the lubricating oil to an outer circumference of the piston. A first oil groove is concavely formed on the outer circumference of the piston, and a second oil groove is concavely formed on a side opposite to the compression chamber relative to the first oil groove. The second oil groove has a spatial volume same or greater than that of the first oil groove. An expanded clearance portion is provided such that a clearance between the piston and the cylindrical hole portion broadens from a top dead point to a bottom dead point.
    Type: Application
    Filed: June 18, 2014
    Publication date: October 16, 2014
    Inventors: Ko INAGAKI, Akira NAKANO, Yoshinori ISHIDA, Ichiro MORITA
  • Patent number: 8814539
    Abstract: A hermetic compressor includes a closed vessel for storing lubricating oil, an electric-driving element, and a compressing element driven by the electric-driving element. The compressing element includes a cylinder block forming a compression chamber, a piton that reciprocates inside the compression chamber, and an oiling device for supplying the lubricating oil to an outer circumference of the piston. A first oil groove is concavely formed on the outer circumference of the piston, and a second oil groove is concavely formed on a side opposite to the compression chamber relative to the first oil groove. The second oil groove has a spatial volume same or greater than that of the first oil groove. An expanded clearance portion is provided such that a clearance between the piston and the cylindrical hole portion broadens from a top dead point to a bottom dead point.
    Type: Grant
    Filed: May 8, 2009
    Date of Patent: August 26, 2014
    Assignee: Panasonic Corporation
    Inventors: Ko Inagaki, Akira Nakano, Yoshinori Ishida, Ichiro Morita
  • Patent number: 8794933
    Abstract: A hermetic compressor includes a closed vessel for storing lubricating oil, an electric-driving element, and a compressing element driven by the electric-driving element. The compressing element includes a cylinder block forming a compression chamber, a piton that reciprocates inside the compression chamber, and an oiling device for supplying the lubricating oil to an outer circumference of the piston. A first oil groove is concavely formed on the outer circumference of the piston, and a second oil groove is concavely formed on a side opposite to the compression chamber relative to the first oil groove. The second oil groove has a spatial volume same or greater than that of the first oil groove. An expanded clearance portion is provided such that a clearance between the piston and the cylindrical hole portion broadens from a top dead point to a bottom dead point.
    Type: Grant
    Filed: March 18, 2013
    Date of Patent: August 5, 2014
    Assignee: Panasonic Corporation
    Inventors: Ko Inagaki, Akira Nakano, Yoshinori Ishida, Ichiro Morita
  • Publication number: 20140119998
    Abstract: Provided are a method for producing sodium tungstate by supplying an oxidant made of sodium nitrate or sodium nitrite to bring a tungsten containing material and the oxidant into contact with each other in an atmosphere containing oxygen to thereby continuously produce a reaction product; a method for collecting tungsten using the method; and an apparatus for producing sodium tungstate. Also provided are a method for producing a sodium tungstate aqueous solution in which a reductant is introduced into a melt containing the above-described reaction product which is then dissolved in water; and a method for collecting tungsten using the method.
    Type: Application
    Filed: December 23, 2013
    Publication date: May 1, 2014
    Applicants: A.L.M.T. Corp., Sumitomo Electric Industries, Ltd., Sumitomo Electric Hardmetal Corp.
    Inventors: Yoshiharu Yamamoto, Kazuo Sasaya, Takayuki Fudo, Akira Nakano, Syunsuke Yamanaka, Takahisa Iguchi, Fumiatsu Sato, Akihiko Ikegaya
  • Publication number: 20140112847
    Abstract: Provided are a method for producing sodium tungstate by supplying an oxidant made of sodium nitrate or sodium nitrite to bring a tungsten containing material and the oxidant into contact with each other in an atmosphere containing oxygen to thereby continuously produce a reaction product; a method for collecting tungsten using the method; and an apparatus for producing sodium tungstate. Also provided are a method for producing a sodium tungstate aqueous solution in which a reductant is introduced into a melt containing the above-described reaction product which is then dissolved in water; and a method for collecting tungsten using the method.
    Type: Application
    Filed: December 23, 2013
    Publication date: April 24, 2014
    Applicants: A.L.M.T. Corp., Sumitomo Electric Industries, Ltd., Sumitomo Electric Hardmetal Corp.
    Inventors: Yoshiharu Yamamoto, Kazuo Sasaya, Takayuki Fudo, Akira Nakano, Syunsuke Yamanaka, Takahisa Iguchi, Fumiatsu Sato, Akihiko Ikegaya