Patents by Inventor Masashi Ota
Masashi Ota 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: 20100104211Abstract: An image processing apparatus includes: ?? modulation means for applying ?? modulation to an image; analog conversion means for converting a signal of the image, whose gradation is converted by the ?? modulation means, into an analog signal; digital output means for outputting a digital signal of the image after gradation conversion; and analog output means for outputting an analog signal of the image after gradation conversion. The ?? modulation means includes arithmetic means for filtering a quantization error; adding means for adding a pixel value of the image and output of the arithmetic means; quantization means for quantizing output of the adding means and outputting a quantized value; and subtracting means for calculating a difference between the output of the adding means and the quantized value. A filter coefficient for the filtering corresponding to the analog output is determined according to a frequency characteristic of the analog conversion means.Type: ApplicationFiled: October 13, 2009Publication date: April 29, 2010Applicant: Sony CorporationInventors: Yoichi Hirota, Kiyoshi Ikeda, Masashi Ota, Toshimichi Hamada, Hiromasa Naganuma, Makoto Tsukamoto
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Publication number: 20100079483Abstract: An image processing apparatus prevents the inappropriate application of error diffusion and adaptively applies palette conversion functions according to the properties of the source. A processing subsystem performs various processing with respect to an original video source. A palette converter converts the palette bit depth, having modifiable palette conversion functions for creating the illusion of expressing the pre-conversion palette tones in the post-conversion image. A controller turns on the palette converter, turns off the palette converter, or modifies the palette conversion functions thereof, in accordance with at least original source information and system-wide settings information.Type: ApplicationFiled: September 24, 2009Publication date: April 1, 2010Applicant: Sony CorporationInventors: Hiromasa Naganuma, Masashi Ota, Toshimichi Hamada, Kiyoshi Ikeda, Yoichi Hirota, Naomasa Takahashi
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Publication number: 20090205386Abstract: A method for forming a part of deformed cross section with non-rotation symmetry on an end portion of a cylindrical workpiece. The method includes steps of performing a first relative motion of a roller against the workpiece toward its one open end, and performing a second relative motion of the roller against at least a part of outer peripheral surface of the end portion of the workpiece toward the inside thereof, while the roller is rotated relative to the workpiece by one rotation, in such a state as being held to be in contact with the end portion, in a plane which is perpendicular to the moving direction of the first relative motion, and which includes a position where the roller contacts the outer peripheral surface of the end portion, and performing a rotational motion of the roller relatively rotating around the workpiece, while performing the second relative motion, with the roller being held to be in contact with the outer peripheral surface of the end portion.Type: ApplicationFiled: February 17, 2009Publication date: August 20, 2009Applicant: SANGO CO., LTD.Inventors: Tohru Irie, Masashi Ota
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Patent number: 7527126Abstract: A single valve member is provided for selecting communication of one of two flow passages constituting an exhaust flow passage, and continuously providing a flow passage area of the selected one of the two flow passages. According to this valve member, a changeover of flow passage between a main flow passage with an exhaust processing device disposed therein and a bypass flow passage is performed, and each flow passage area is regulated, to meet an output requirement, exhaust processing requirement and muffling requirement, appropriately. For example, a single valve member 5 is disposed on the upstream side or downstream side of a start catalytic converter 3, whereby communication of one of a main flow passage 1 and a bypass flow passage 2 is selected, and a flow passage area of the selected passage is continuously provided.Type: GrantFiled: June 28, 2005Date of Patent: May 5, 2009Assignee: Sango Co., Ltd.Inventors: Osamu Kuroda, Masashi Ota, Masayoshi Tange
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Publication number: 20070272480Abstract: A single valve member is provided for selecting communication of one of two flow passages constituting an exhaust flow passage, and continuously providing a flow passage area of the selected one of the two flow passages. According to this valve member, a changeover of flow passage between a main flow passage with an exhaust processing device disposed therein and a bypass flow passage is performed, and each flow passage area is regulated, to meet an output requirement, exhaust processing requirement and muffling requirement, appropriately. For example, a single valve member 5 is disposed on the upstream side or downstream side of a start catalytic converter 3, whereby communication of one of a main flow passage 1 and a bypass flow passage 2 is selected, and a flow passage area of the selected passage is continuously provided.Type: ApplicationFiled: June 28, 2005Publication date: November 29, 2007Applicant: SANGO CO., LTD.Inventors: Osamu Kuroda, Masashi Ota, Masayoshi Tange
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Patent number: 6769281Abstract: The present invention is directed to a method of producing a container for holding a columnar member in a cylindrical housing with a shock absorbent member wrapped around the columnar member.Type: GrantFiled: February 28, 2003Date of Patent: August 3, 2004Assignee: Sango Co., Ltd.Inventors: Tohru Irie, Masashi Ota
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Publication number: 20030167854Abstract: The present invention is directed to a method of producing a container for holding a columnar member in a cylindrical housing with a shock absorbent member wrapped around the columnar member.Type: ApplicationFiled: February 28, 2003Publication date: September 11, 2003Applicant: SANGO CO., LTD.Inventors: Tohru Irie, Masashi Ota
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Patent number: 6591498Abstract: The present invention is directed to a method of producing a catalytic converter which comprises the steps of providing a shock absorbent member around an outer periphery of a catalyst substrate, inserting the catalyst substrate and the shock absorbent member into a cylindrical workpiece, fixing the cylindrical workpiece to prevent the cylindrical workpiece from being rotated about a longitudinal axis thereof, reducing a diameter of a body portion of the cylindrical workpiece covering at least a portion of the shock absorbent member to hold the catalyst substrate in the cylindrical workpiece, spinning at least an end portion of the cylindrical workpiece, by means of a plurality of spinning rollers, which are evenly positioned around the outer periphery of the end portion, and which are revolved about the axis of the end portion along a common circular locus, and moved in a radial direction of the end portion, and moving the plurality of spinning rollers in an axial direction of the end portion to reduce a diaType: GrantFiled: March 22, 2002Date of Patent: July 15, 2003Assignee: Sango Co., Ltd.Inventors: Tohru Irie, Masashi Ota
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Publication number: 20020095787Abstract: The present invention is directed to a method of producing a catalytic converter which comprises the steps of providing a shock absorbent member around an outer periphery of a catalyst substrate, inserting the catalyst substrate and the shock absorbent member into a cylindrical workpiece, fixing the cylindrical workpiece to prevent the cylindrical workpiece from being rotated about a longitudinal axis thereof, reducing a diameter of a body portion of the cylindrical workpiece covering at least a portion of the shock absorbent member to hold the catalyst substrate in the cylindrical workpiece, spinning at least an end portion of the cylindrical workpiece, by means of a plurality of spinning rollers, which are evenly positioned around the outer periphery of the end portion, and which are revolved about the axis of the end portion along a common circular locus, and moved in a radial direction of the end portion, and moving the plurality of spinning rollers in an axial direction of the end portion to reduce a diaType: ApplicationFiled: March 22, 2002Publication date: July 25, 2002Applicant: Sango Co., Ltd.Inventors: Tohru Irie, Masashi Ota
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Patent number: 6386010Abstract: According to the spinning processing method of the invention, a steel tube (4) as a work is rotated round its longitudinal axis (X). A plurality of forming rollers (23), which are arranged around the steel tube (4), are rotated round the steel tube axis (X) in the direction (&bgr;) opposite to the direction of rotation for the steel tube (4). The forming rollers 23 are further moved toward the steel tube axis (X) into pressure contact with the steel tube (4), while being moved relatively to the steel tube (4) in the axial direction (A-B) thereof, to draw the steel tube (4) to form a section of reduced diameter. The relative rotation of the steel tube (4) and the forming rollers (23) in the opposite directions (&agr;, &bgr;) increases the relative rotation speed between them and shortens the processing time.Type: GrantFiled: March 21, 2000Date of Patent: May 14, 2002Assignee: Sango Co., Ltd.Inventors: Tohru Irie, Masashi Ota
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Patent number: 6381843Abstract: A method of producing a catalytic converter comprises the steps of (1) providing a shock absorbent member around an outer periphery of a catalyst substrate, (2) inserting the catalyst substrate and the shock absorbent member into a cylindrical workpiece, fixing the cylindrical workpiece to prevent the cylindrical workpiece from being rotated about a longitudinal axis thereof, and (3) spinning at least a portion of the cylindrical workpiece covering at least a portion of the shock absorbent member, by means of a plurality of spinning rollers, which are evenly positioned around the outer periphery of the cylindrical workpiece, and which are revolved about the axis of the cylindrical workpiece along a common circular locus, and moved in a radial direction of the cylindrical workpiece, whereby the cylindrical workpiece and the shock absorbent member are reduced in diameter, so that the catalyst substrate is securely held in the cylindrical workpiece.Type: GrantFiled: July 31, 2000Date of Patent: May 7, 2002Assignee: Sango Co., Ltd.Inventors: Tohru Irie, Masashi Ota
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Publication number: 20010025225Abstract: The present invention is directed to a method and apparatus for monitoring the status of manufacturing products continuously according to one of a plurality of manufacturing processes. It is determined whether at least a predetermined manufacturing program out of a plurality of manufacturing programs corresponding to the plurality of manufacturing processes has been executed. The number of operations executed for manufacturing products according to the predetermined manufacturing program is stored, when it is determined that the predetermined manufacturing program has been executed. And, the stored number of operations executed for manufacturing the products according to the predetermined manufacturing program is output.Type: ApplicationFiled: March 26, 2001Publication date: September 27, 2001Inventors: Masashi Ota, Tohru Irie