Patents by Inventor Shintaro Okada
Shintaro Okada 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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Patent number: 11092107Abstract: An engine combustion chamber structure includes a combustion chamber of an engine and a fuel injection valve. The fuel injection valve injects fuel toward a cavity in a crown face of a piston. The cavity includes a first cavity provided in a radially central region of the crown face with a first bottom having a first depth, a second cavity provided in an outer side of the first cavity with a second bottom having a second depth being smaller than the first depth, a connecting portion, and a standing wall region disposed further in a radially outer side than the second bottom of the second cavity. The second bottom is provided lower than an upper end, of the connecting portion. A lower section of the standing wall region is provided further in a radially inner side than an upper edge of the standing wall region.Type: GrantFiled: August 23, 2018Date of Patent: August 17, 2021Assignee: Mazda Motor CorporationInventors: Sangkyu Kim, Takashi Sumimoto, Daisuke Shimo, Tomonori Harada, Shintaro Okada, Shuji Takuma
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Patent number: 11024033Abstract: Provided is an image processing method including determining an edge region based on contrast of values of pixels included in an image; identifying an outline region in the edge region according to distribution characteristics of values of pixels included in the edge region; and, as the outline region is identified, performing blurring processing for reducing contrast of values of pixels included in at least a portion of the outline region.Type: GrantFiled: December 28, 2018Date of Patent: June 1, 2021Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventor: Shintaro Okada
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Patent number: 10982588Abstract: A cavity includes a lower-side cavity, an upper-side cavity, a first lip and a second lip. The upper-side cavity has a guide curved surface which extends along a circumference of a first imaginary circle in a section along a cylinder-axis direction, and the first lip has a curved surface which extends along a circumference of a second imaginary circle in a section along the cylinder-axis direction. An angle X which a cylinder axis makes with a common tangential line of the first imaginary circle and the second imaginary circle is set as 75°<X<80°. The guide curved surface is configured such that an angle Y of this guide curved surface which occupies at the circumference of the first imaginary circle is set as 80°<Y<(180°?X).Type: GrantFiled: January 10, 2020Date of Patent: April 20, 2021Assignee: MAZDA MOTOR CORPORATIONInventors: Sangkyu Kim, Takashi Sumimoto, Shintaro Okada, Daisuke Shimo, Shuji Takuma
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Patent number: 10970817Abstract: An image magnifying apparatus includes a processor configured to execute non-transitory machine readable instructions to configure the processor to, receive the image data, generate a first interpolation pixel between pixels of the image data, by applying a first interpolation method based on a high-band spectrum of the image data, generate a second interpolation pixel between pixels of the image data, by applying a second interpolation method not based on the high-band spectrum of the image data, identify a pattern of pixels of the image data by extracting peripheral pixels of an interpolation object position in the image data, select whether to apply the first interpolation method to the interpolation object position or whether to apply the second interpolation method to the interpolation object position, and output one of the first interpolation pixel and the second interpolation pixel, as an output interpolation pixel, based on the selection.Type: GrantFiled: December 26, 2018Date of Patent: April 6, 2021Assignee: Samsung Electronics Co., Ltd.Inventors: Mineki Taoka, Shintaro Okada
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Publication number: 20200392919Abstract: An engine combustion chamber structure includes a combustion chamber of an engine and a fuel injection valve. The fuel injection valve injects fuel toward a cavity in a crown face of a piston. The cavity includes a first cavity that is provided in a radially central region of the crown face with a first bottom having a first depth, a second cavity provided in an outer side of the first cavity with a second bottom having a second depth being smaller than the first depth, a connecting portion, and a standing wall region disposed further in a radially outer side than the second bottom of the second cavity. The second bottom is provided lower than an upper end, of the connecting portion. A lower section of the standing wall region is provided further in a radially inner side than an upper edge of the standing wall region.Type: ApplicationFiled: August 23, 2018Publication date: December 17, 2020Applicant: Mazda Motor CorporationInventors: Sangkyu KIM, Takashi SUMIMOTO, Daisuke SHIMO, Tomonori HARADA, Shintaro OKADA, Shuji TAKUMA
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Publication number: 20200232380Abstract: A cavity includes a lower-side cavity, an upper-side cavity, a first lip and a second lip. The upper-side cavity has a guide curved surface which extends along a circumference of a first imaginary circle in a section along a cylinder-axis direction, and the first lip has a curved surface which extends along a circumference of a second imaginary circle in a section along the cylinder-axis direction. An angle X which a cylinder axis makes with a common tangential line of the first imaginary circle and the second imaginary circle is set as 75°<X<80°. The guide curved surface is configured such that an angle Y of this guide curved surface which occupies at the circumference of the first imaginary circle is set as 80°<Y<(180°?X).Type: ApplicationFiled: January 10, 2020Publication date: July 23, 2020Applicant: MAZDA MOTOR CORPORATIONInventors: Sangkyu Kim, Takashi Sumimoto, Shintaro Okada, Daisuke Shimo, Shuji Takuma
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Publication number: 20200200135Abstract: A cavity provided at a crown surface of a piston includes a first cavity section provided in a central area in a radial direction, a second cavity section provided outside the first cavity section, and a lip provided to connect the first-and-second cavity sections. Plural injection holes of an injector include a first injection-hole group where plural first injection holes directed toward a part close to the piston in a cylinder-axis direction are provided in a ring shape and a second injection-hole group where plural second injection holes directed toward a part close to a ceiling surface of a combustion chamber in the cylinder-axis direction are provided in the ring shape. The first injection-hole group and the second injection-hole group are positioned so as to inject fuel toward the lip concurrently.Type: ApplicationFiled: October 4, 2019Publication date: June 25, 2020Applicant: MAZDA MOTOR CORPORATIONInventors: Sangkyu KIM, Takashi SUMIMOTO, Shintaro OKADA, Daisuke SHIMO, Tomoyuki KANDA, Shinichiro TAGAMI, Kazunori HIRABAYASHI
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Publication number: 20200080468Abstract: A diesel engine comprises: a cylinder head covering one end of a cylinder; a piston having a crown surface opposed to the cylinder head, and performing a reciprocating movement within the cylinder; and a fuel injector attached to the cylinder head. The cylinder head is formed with an intake port so as to generate a swirl flow within the cylinder. The crown surface of the piston is formed with a cavity which is recessed toward an opposite side of the cylinder head and which has a circular shape in planar view, and a notch which is recessed radially outward from a peripheral edge of the cavity. The fuel injector is formed with an injection hole oriented toward an inside of the cavity.Type: ApplicationFiled: November 22, 2016Publication date: March 12, 2020Inventors: Jun Kanzaki, Motoshi Kataoka, Sangkyu Kim, Shinya Iida, Shintaro Okada, Tomonori Harada, Shun Namba
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Publication number: 20200063644Abstract: In a diesel engine, a crown surface of a piston is formed with a cavity which is recessed toward an opposite side of a cylinder head, and which has a circular shape in planar view, and a wall surface forming the cavity includes a lip which is formed on a peripheral edge of the cavity, and which is protruded radially inward, and the lip is formed with a plurality of notches which are recessed radially outward from the peripheral edge of the cavity, and a fuel injector is arranged at a center of the cylinder head, and formed with a plurality of injection holes oriented toward an inside of the cavity so as to radially spray fuel within the cavity, and each of the plurality of the notches is arranged between oriented directions of two adjacent injection holes.Type: ApplicationFiled: November 22, 2016Publication date: February 27, 2020Inventors: Jun Kanzaki, Motoshi Kataoka, Sangkyu Kim, Shinya Iida, Shintaro Okada, Tomonori Harada, Shun Namba
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Publication number: 20190206025Abstract: An image magnifying apparatus includes a processor configured to execute non-transitory machine readable instructions to configure the processor to, receive the image data, generate a first interpolation pixel between pixels of the image data, by applying a first interpolation method based on a high-band spectrum of the image data, generate a second interpolation pixel between pixels of the image data, by applying a second interpolation method not based on the high-band spectrum of the image data, identify a pattern of pixels of the image data by extracting peripheral pixels of an interpolation object position in the image data, select whether to apply the first interpolation method to the interpolation object position or whether to apply the second interpolation method to the interpolation object position, and output one of the first interpolation pixel and the second interpolation pixel, as an output interpolation pixel, based on the selection.Type: ApplicationFiled: December 26, 2018Publication date: July 4, 2019Applicant: Samsung Electronics Co., Ltd.Inventors: Mineki Taoka, Shintaro Okada
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Publication number: 20190206058Abstract: Provided is an image processing method including determining an edge region based on contrast of values of pixels included in an image; identifying an outline region in the edge region according to distribution characteristics of values of pixels included in the edge region; and, as the outline region is identified, performing blurring processing for reducing contrast of values of pixels included in at least a portion of the outline region.Type: ApplicationFiled: December 28, 2018Publication date: July 4, 2019Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventor: Shintaro OKADA
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Patent number: 9625812Abstract: The photosensitive resin composition of the present invention contains a vinyl-based (co)polymer (I) obtained by polymerizing a monomer mixture (?) containing a vinyl-based monomer (a) having a phenolic hydroxyl group, a vinyl-based copolymer (II) having a weight-average molecular weight of 15,000 to 120,000, obtained by polymerizing a monomer mixture (?) containing a vinyl-based monomer (b) represented by CH2?CR1COO(R2O)kR3 (wherein R1=a hydrogen atom or a methyl group, R2=a hydrocarbon group having a carbon number of 1 to 4, R3=a hydrogen atom or a methyl group, and k=1 to 90) and a carboxyl group-containing vinyl-based monomer (c), a photosensitive substance (III), and a compound (IV) which is a specific aromatic polyhydroxy compound.Type: GrantFiled: July 2, 2013Date of Patent: April 18, 2017Assignee: MICRO PROCESS INC.Inventors: Akifumi Ueda, Hidetaka Nakagawara, Shintaro Okada, Saki Fujita, Kazuo Watanabe, Shigeki Watanabe
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Publication number: 20160215707Abstract: A control device compression-ignition type engine that compression-ignites an air-fuel mixture in cylinders by introducing ozone into the cylinders at a predetermined operating range is provided. The control device detects a first ignition timing of an air-fuel mixture when introducing an intake of a first ozone concentration into the cylinders, detects a second ignition timing of the air-fuel mixture when introducing an intake of a second ozone concentration that differs from the first ozone concentration, and determines the fuel ignition ability based on a difference between the detected first ignition timing and the detected second ignition timing.Type: ApplicationFiled: January 22, 2016Publication date: July 28, 2016Inventors: Toru Miyamoto, Masahisa Yamakawa, Kazuhiro Nagatsu, Takashi Kaminaga, Mingzhao Xie, Shintaro Okada
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Publication number: 20160201631Abstract: A combustion chamber structure for an engine is provided. The combustion chamber structure includes a piston formed with a downward dented cavity at a central part of an upper surface thereof, and a fuel injector provided above the piston and on an extended line of a central axis of the piston, the fuel injector changing an injection timing of fuel on a compression stroke according to an operating state of the engine. A fuel injection angle of the fuel injector is designed to satisfy conditions in which the fuel is injected into the cavity and in which a fuel spray collision distance defined from a fuel injection position of the fuel injector to a collision position of the fuel with the cavity is longer than a breakup length defined from the fuel injection position of the fuel injector to a position where an initial breakup of the fuel occurs.Type: ApplicationFiled: December 22, 2015Publication date: July 14, 2016Inventors: Takaaki Nagano, Masahisa Yamakawa, Takashi Youso, Kazuhiro Nagatsu, Tatsuya Fujikawa, Wu Zhang, Takashi Kaminaga, Toru Miyamoto, Shintaro Okada, Yuki Hisadome
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Patent number: 9317957Abstract: An image processing apparatus includes a modifying unit configured to modify depth information representing depths in individual pixels of an image in accordance with content included in the image, thereby generating modified depth information, and an enhancing unit configured to perform a stereoscopic effect enhancement process of enhancing a stereoscopic effect of the image by using the modified depth information generated by the modifying unit.Type: GrantFiled: January 18, 2013Date of Patent: April 19, 2016Assignee: Sony CorporationInventors: Shintaro Okada, Takahiro Nagano, Kenichiro Hosokawa
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Patent number: 9154671Abstract: An image processor includes a first acquirer that acquires a matching tap having a target pixel at the center, a second acquirer that acquires plural matching taps each having, at the center, one of pixels in a search area including the pixels surrounding the target pixel, a similarity identifier that identifies, among the matching taps acquired by the second acquirer, a similarity maximizing pixel representing a central pixel of the matching tap having the highest similarity to the matching tap acquired by the first acquirer, and a mixing controller that computes a pixel value of the target pixel by mixing a pixel value obtained by performing a predetermined arithmetic process on pixel values of a prediction tap having the target pixel at the center with a pixel value obtained by performing a predetermined arithmetic process on pixel values of a prediction tap having the similarity maximizing pixel at the center.Type: GrantFiled: January 17, 2013Date of Patent: October 6, 2015Assignee: Sony CorporationInventors: Takahiro Nagano, Kenichiro Hosokawa, Yiwen Zhu, Shintaro Okada, Kazunori Kamio
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Publication number: 20150168832Abstract: The photosensitive resin composition of the present invention contains a vinyl-based (co)polymer (I) obtained by polymerizing a monomer mixture (?) containing a vinyl-based monomer (a) having a phenolic hydroxyl group, a vinyl-based copolymer (II) having a weight-average molecular weight of 15,000 to 120,000, obtained by polymerizing a monomer mixture (?) containing a vinyl-based monomer (b) represented by CH2?CR1COO(R2O)kR3 (wherein R1=a hydrogen atom or a methyl group, R2=a hydrocarbon group having a carbon number of 1 to 4, R3=a hydrogen atom or a methyl group, and k=1 to 90) and a carboxyl group-containing vinyl-based monomer (c), a photosensitive substance (III), and a compound (IV) which is a specific aromatic polyhydroxy compound.Type: ApplicationFiled: July 2, 2013Publication date: June 18, 2015Applicant: MICRO PROCESS INC.Inventors: Akifumi Ueda, Hidetaka Nakagawara, Shintaro Okada, Saki Fujita, Kazuo Watanabe, Shigeki Watanabe
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Patent number: 9036904Abstract: There is provided an image processing device including a weight calculation unit that calculates a weight corresponding to each of a plurality of pixel values centering on a pixel of interest of an input image based on a feature amount calculated based on the plurality of pixel values centering on the pixel of interest, a regression coefficient reading unit that reads a regression coefficient stored for each class code determined based on a plurality of pixel values corresponding to the pixel of interest of the input image, and a pixel value calculation unit that calculates a pixel value of a pixel of interest of an output image by performing calculation using the plurality of pixel values, the weights, and the regression coefficients centering on the pixel of interest of the input image.Type: GrantFiled: May 10, 2013Date of Patent: May 19, 2015Assignee: Sony CorporationInventors: Kenichiro Hosokawa, Takahiro Nagano, Shintaro Okada, Yiwen Zhu, Kazunori Kamio
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Publication number: 20130308854Abstract: There is provided an image processing device including a weight calculation unit that calculates a weight corresponding to each of a plurality of pixel values centering on a pixel of interest of an input image based on a feature amount calculated based on the plurality of pixel values centering on the pixel of interest, a regression coefficient reading unit that reads a regression coefficient stored for each class code determined based on a plurality of pixel values corresponding to the pixel of interest of the input image, and a pixel value calculation unit that calculates a pixel value of a pixel of interest of an output image by performing calculation using the plurality of pixel values, the weights, and the regression coefficients centering on the pixel of interest of the input image.Type: ApplicationFiled: May 10, 2013Publication date: November 21, 2013Applicant: SONY CORPORATIONInventors: Kenichiro Hosokawa, Takahiro Nagano, Shintaro Okada, Yiwen Zhu, Kazunori Kamio
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Publication number: 20130300890Abstract: An image processor includes a first acquirer that acquires a matching tap having a target pixel at the center, a second acquirer that acquires plural matching taps each having, at the center, one of pixels in a search area including the pixels surrounding the target pixel, a similarity identifier that identifies, among the matching taps acquired by the second acquirer, a similarity maximizing pixel representing a central pixel of the matching tap having the highest similarity to the matching tap acquired by the first acquirer, and a mixing controller that computes a pixel value of the target pixel by mixing a pixel value obtained by performing a predetermined arithmetic process on pixel values of a prediction tap having the target pixel at the center with a pixel value obtained by performing a predetermined arithmetic process on pixel values of a prediction tap having the similarity maximizing pixel at the center.Type: ApplicationFiled: January 17, 2013Publication date: November 14, 2013Applicant: SONY CORPORATIONInventors: Takahiro NAGANO, Kenichiro HOSOKAWA, Yiwen ZHU, Shintaro OKADA, Kazunori KAMIO