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).
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Publication number: 20160116918Abstract: 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: ApplicationFiled: October 26, 2015Publication date: April 28, 2016Inventors: Akio NAKAMURA, Akira NAKANO, Shusuke INAGI, Akira YAMASHITA, Masaaki KONDO
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Patent number: 9249479Abstract: 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: GrantFiled: December 23, 2013Date of Patent: February 2, 2016Assignees: 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
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Patent number: 9215371Abstract: 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: GrantFiled: February 3, 2012Date of Patent: December 15, 2015Assignee: RICOH COMPANY, LTD.Inventor: Akira Nakano
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Publication number: 20150300295Abstract: 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: ApplicationFiled: April 14, 2015Publication date: October 22, 2015Inventors: Akira NAKANO, Toshihiko SHIMA, Akio NAKAMURA, Yoshiyuki TAKEUCHI, Tomoya NODA, Mutsuo HENMI
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Publication number: 20150198261Abstract: 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: ApplicationFiled: January 9, 2015Publication date: July 16, 2015Inventors: Toshikatsu KUBO, Akira NAKANO, Shusuke INAGI, Akira YAMASHITA
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Patent number: 9021937Abstract: 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: GrantFiled: March 24, 2010Date of Patent: May 5, 2015Assignee: Panasonic Intellectual Property Management Co., Ltd.Inventors: Yoko Sugamoto, Masaru Matsui, Fuminori Sakima, Ko Inagaki, Akira Nakano
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Patent number: 9019387Abstract: 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: GrantFiled: March 7, 2012Date of Patent: April 28, 2015Assignee: Ricoh Company, Ltd.Inventor: Akira Nakano
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Publication number: 20140308140Abstract: 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: ApplicationFiled: June 18, 2014Publication date: October 16, 2014Inventors: Ko INAGAKI, Akira NAKANO, Yoshinori ISHIDA, Ichiro MORITA
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Patent number: 8814539Abstract: 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: GrantFiled: May 8, 2009Date of Patent: August 26, 2014Assignee: Panasonic CorporationInventors: Ko Inagaki, Akira Nakano, Yoshinori Ishida, Ichiro Morita
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Patent number: 8794933Abstract: 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: GrantFiled: March 18, 2013Date of Patent: August 5, 2014Assignee: Panasonic CorporationInventors: Ko Inagaki, Akira Nakano, Yoshinori Ishida, Ichiro Morita
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Publication number: 20140119998Abstract: 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: ApplicationFiled: December 23, 2013Publication date: May 1, 2014Applicants: 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
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Publication number: 20140112847Abstract: 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: ApplicationFiled: December 23, 2013Publication date: April 24, 2014Applicants: 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
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Patent number: 8632747Abstract: 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: GrantFiled: March 5, 2010Date of Patent: January 21, 2014Assignees: 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
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Publication number: 20130230420Abstract: 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: ApplicationFiled: March 18, 2013Publication date: September 5, 2013Applicant: PANASONIC CORPORATIONInventors: Ko INAGAKI, Akira NAKANO, Yoshinori ISHIDA, Ichiro MORITA
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Publication number: 20120236164Abstract: 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: ApplicationFiled: March 7, 2012Publication date: September 20, 2012Applicant: RICOH COMPANY, LTD.Inventor: Akira NAKANO
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Publication number: 20120200762Abstract: 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: ApplicationFiled: February 3, 2012Publication date: August 9, 2012Inventor: Akira Nakano
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Patent number: 8235683Abstract: A Inlet pipe (151) communicating the space inside the hermetic enclosure with sound absorbing space (147) of inlet muffler (145) is provided so as to be inclined downward from inlet-pipe inlet (155) toward inlet-pipe outlet (157). Outlet pipe (153) communicating sound absorbing space (147) with an inlet valve includes outlet-pipe inlet (161) and outlet-pipe outlet (163). Inlet-pipe inlet (155) and outlet-pipe inlet (161) are formed at substantially same height. Herewith, introducing a refrigerant gas to outlet-pipe inlet (161) making efficient use of potential energy of the refrigerant improves the compression efficiency and stabilizes the performance of the compressor.Type: GrantFiled: November 20, 2008Date of Patent: August 7, 2012Assignee: Panasonic CorporationInventors: Kenji Kinjo, Akira Nakano, Takahide Nagao
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Publication number: 20120020817Abstract: 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: ApplicationFiled: March 24, 2009Publication date: January 26, 2012Applicant: PANASONIC CORPORATIONInventors: Yoko Sugamoto, Masaru Matsui, Fuminori Sakima, Ko Inagaki, Akira Nakano
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Publication number: 20110300040Abstract: 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: ApplicationFiled: March 5, 2010Publication date: December 8, 2011Applicants: 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
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Publication number: 20110027111Abstract: 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: ApplicationFiled: May 8, 2009Publication date: February 3, 2011Applicant: Panasonic CorporationInventors: Ko Inagaki, Akira Nakano, Yoshinori Ishida, Ichiro Morita