Patents by Inventor Masato Murayama
Masato Murayama 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: 8199243Abstract: A digital camera comprises an interchangeable lens unit and a camera body. The interchangeable lens unit is provided to form an optical image of a subject. A flash memory is configured to hold a correction coefficient table used to electrically correct distortion produced by the optical system. The camera body has a CCD image sensor, a correction coefficient acquisition part, an operation part, and a correction processor. The correction coefficient acquisition part is configured to acquire the correction coefficient table held in the flash memory. The operation part is configured to produce correction data by performing an interpolation operation or an extrapolation operation on the information obtained from the correction coefficient table. The correction processor is configured to correct distortion in the image data on the basis of information produced by the operation part.Type: GrantFiled: April 24, 2009Date of Patent: June 12, 2012Assignee: Panasonic CorporationInventors: Kyoichi Miyazaki, Kenichi Honjo, Yuichi Kimura, Shogo Sasaki, Masato Murayama
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Patent number: 8179033Abstract: A display is provided with: a substrate; a plurality of parallel scan wires extending over the substrate in a first direction; a plurality of parallel data wires extending parallel to a surface of the substrate in a second direction perpendicular to the first direction; at least one switching element per intersection between the scan wires and the data wires; pixel electrodes connected to the switching elements; at least one phosphor layer provided above the pixel electrodes; and common electrodes provided above the phosphor layer, and the phosphor layer has a polycrystalline structure made of a first semiconductor material and a second semiconductor material segregated between grain boundaries in the polycrystalline structure, which is different from the first semiconductor material.Type: GrantFiled: September 12, 2007Date of Patent: May 15, 2012Assignee: Panasonic CorporationInventors: Reiko Taniguchi, Masayuki Ono, Shogo Nasu, Eiichi Satoh, Toshiyuki Aoyama, Kenji Hasegawa, Masaru Odagiri, Masato Murayama
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Patent number: 8178896Abstract: A light emitting device includes a pair of electrodes facing to each other and a phosphor layer which is sandwiched between the pair of electrodes and includes phosphor particles placed therein. The phosphor particles include an n-type nitride semiconductor part and a p-type nitride semiconductor part, the n-type nitride semiconductor part and the p-type nitride semiconductor part are made of respective single crystals having wurtzite-type crystal structures having c axes parallel with each other, and the phosphor particles include an insulation layer provided to overlie one end surface out of their end surfaces perpendicular to the c axes.Type: GrantFiled: February 24, 2009Date of Patent: May 15, 2012Assignee: Panasonic CorporationInventors: Takayuki Shimamura, Masayuki Ono, Reiko Taniguchi, Eiichi Satoh, Masato Murayama, Masaru Odagiri
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Publication number: 20120059093Abstract: The present invention relates to an asphalt mixture including aggregates, a polyamide resin and asphalt, wherein the polyamide resin has a softening point of from 60 to 150° C., and is compounded in an amount of from 3 to 90% by mass on the basis of a total amount of the polyamide resin and the asphalt; and a paving method using the asphalt mixture. The asphalt mixture of the present invention provides a pavement which is free from rutting and torsional breakage and exhibits a high oil resistance. The pavement obtained from the asphalt mixture is free from fracture and can be prevented from suffering from occurrence of rutting and torsional breakage even when leakage of oils over a surface of the pavement occurs.Type: ApplicationFiled: March 8, 2010Publication date: March 8, 2012Applicant: KAO CORPORATIONInventors: Masato Murayama, Masakazu Kawano, Yukihiro Fukuyama
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Publication number: 20110304765Abstract: An imaging apparatus which allows selection of a preferable measurement point. An imaging apparatus (100) includes: an imaging device (10) configured to perform photoelectric conversion to convert light from an object into an electrical signal; a phase difference detection section (20) having a plurality of distance measurement points and configured to receive the light from the object to the imaging device (10) while the imaging device receives the light; a feature point extraction section (50) configured to extract a position or an area of a feature point of the object, based on an output from the imaging device; and a control section (50) configured to select at least one distance measurement point from the plurality of distance measurement points, based on the position or the area of the feature point, and control autofocus using a signal from the selected distance measurement point.Type: ApplicationFiled: January 21, 2010Publication date: December 15, 2011Inventors: Takanori Yogo, Kenichi Konjo, Dal Shintani, Masato Murayama
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Patent number: 8068728Abstract: An imaging apparatus which can perform phase difference detection while causing light to enter an imaging device is provided. An imaging unit (1) includes an imaging device (10) for receiving light to perform photoelectric conversion, the imaging device (10) being configured so that light passes through the imaging device (10), a phase difference detection unit (20) including a line sensor (24a) for receiving the light which has passed through the imaging device (10) to perform phase difference detection, and a condenser lens (21a), provided between the imaging device (10) and the line sensor (24a), for bending an optical path of the light which has passed through the imaging device (10) to direct the light to the line sensor (24a).Type: GrantFiled: February 20, 2009Date of Patent: November 29, 2011Assignee: Panasonic CorporationInventors: Dai Shintani, Masato Murayama
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Publication number: 20110235187Abstract: An interchangeable lens unit comprises a second lens group unit, a focus lens unit, a fourth lens group unit, a zoom ring unit, and a focus motor. The zoom ring unit mechanically transmits operational force inputted to a zoom ring to the second lens group unit and the fourth lens group unit. The focus motor electrically drives the focus lens unit in the Z axis direction with respect to the second lens group unit. When the zoom ring is operated in a state in which no power is being supplied to the focus motor, a gap is always ensured in the Z axis direction between the focus lens unit and the second lens group unit.Type: ApplicationFiled: June 13, 2011Publication date: September 29, 2011Applicant: PANASONIC CORPORATIONInventors: NAOTO YUMIKI, HIDEO ONISHI, YOSHIHARU ARAKI, FUMIO MURAMATSU, MASATO MURAYAMA
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Patent number: 8007073Abstract: A liquid ejecting apparatus includes two liquid discharge heads, a wiper unit, and an actuating mechanism. Each of the two liquid discharge heads has a nozzle face on which at least one nozzle opening for discharging liquid is formed. The two liquid discharge heads are located so that the nozzle faces of the two liquid discharge heads face each other. The wiper unit is pressed against each of the nozzle faces of the two liquid discharge heads at a position at which the wiper unit is placed between the nozzle faces of the two liquid discharge heads. The actuating mechanism reciprocally moves the wiper unit relatively along the nozzle faces of the two liquid discharge heads.Type: GrantFiled: July 9, 2008Date of Patent: August 30, 2011Assignee: Seiko Epson CorporationInventor: Masato Murayama
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Patent number: 7986469Abstract: An interchangeable lens unit comprises a second lens group unit, a focus lens unit, a fourth lens group unit, a zoom ring unit, and a focus motor. The zoom ring unit mechanically transmits operational force inputted to a zoom ring to the second lens group unit and the fourth lens group unit. The focus motor electrically drives the focus lens unit in the Z axis direction with respect to the second lens group unit. When the zoom ring is operated in a state in which no power is being supplied to the focus motor, a gap is always ensured in the Z axis direction between the focus lens unit and the second lens group unit.Type: GrantFiled: May 26, 2009Date of Patent: July 26, 2011Assignee: Panasonic CorporationInventors: Naoto Yumiki, Hideo Onishi, Yoshiharu Araki, Fumio Muramatsu, Masato Murayama
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Publication number: 20110164154Abstract: A camera body (3) comprises a housing (3a), a body mount (4), an imaging sensor (11), a display section (20), a mounting detector (10d), and an image display controller (21). The display section (20) is capable of displaying an image on the basis of an image signal acquired by the imaging sensor (11). The mounting detector (10d) is capable of detecting the mounting state of an interchangeable lens unit (2) with respect to the body mount (4). The image display controller (21) controls the display section (20) so that the mounting state of the display section (20) is switched on the basis of the detection result of the mounting detector (10d).Type: ApplicationFiled: August 27, 2009Publication date: July 7, 2011Applicant: PANASONIC CORPORATIONInventors: Kenichi Honjo, Hiroshi Ueda, Masato Murayama
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Publication number: 20110164172Abstract: A camera body 100 comprises a body mount 150, a CMOS image sensor 110, a shutter unit 190, and a shutter controller 145. The body mount 150 allows the lens unit 200 to be mounted. The CMOS image sensor 110 is configured to convert an optical image of a subject into an electric signal. The shutter unit 190 is disposed between the body mount 150 and the CMOS image sensor 110, and is configured to block the optical path between the lens unit 200 and the CMOS image sensor 110. The shutter controller 145 is configured to control the shutter unit 190 to maintain the shutter unit 190 in the open state in a state in which the supply of power is halted.Type: ApplicationFiled: August 21, 2009Publication date: July 7, 2011Applicant: PANASONIC CORPORATIONInventors: Dai Shintani, Masato Murayama
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Patent number: 7970266Abstract: A camera includes an optical system, a housing, an image blur corrector, a displacement acquisition section, a rotary driver, a correction computer, and a drive controller. The displacement acquisition section is configured to acquire the amount of displacement of the housing. The rotary driver is configured to rotationally drive the displacement acquisition section with respect to the housing. The correction computer is configured to calculate a first correction amount at the image blur corrector from the displacement amount acquired by the displacement acquisition section. The drive controller is configured to control the operation of the rotary driver, and also controls the operation of the image blur corrector on the basis of the first correction amount.Type: GrantFiled: May 5, 2010Date of Patent: June 28, 2011Assignee: Panasonic CorporationInventors: Hideyuki Hashi, Kenichi Hayashi, Hironori Honsho, Masanobu Tanaka, Kazuo Sibukawa, Masato Murayama
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Publication number: 20110043677Abstract: There are provided an image display device and an imaging device with which efficiency can be improved in the comparison of a plurality of images. A digital camera includes a liquid crystal monitor, a body microcomputer, and an image display controller. The body microcomputer has a display manager and a selector. The liquid crystal monitor has a first display region and a second display region and is configured to display images recorded to a recording medium. The display manager is configured to manage as display objects one or more images that have yet to be displayed on the liquid crystal monitor in a specific mode. The selector is configured to select an image from among the display objects as a selected image for display on the liquid crystal monitor. The image display controller is configured to display the selected image in the first display region or the second display region.Type: ApplicationFiled: March 16, 2009Publication date: February 24, 2011Inventors: Fumio Muramatsu, Masato Murayama
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Publication number: 20110012167Abstract: A light emitting device includes a pair of electrodes facing to each other and a phosphor layer which is sandwiched between the pair of electrodes and includes phosphor particles placed therein. The phosphor particles include an n-type nitride semiconductor part and a p-type nitride semiconductor part, the n-type nitride semiconductor part and the p-type nitride semiconductor part are made of respective single crystals having wurtzite-type crystal structures having c axes parallel with each other, and the phosphor particles include an insulation layer provided to overlie one end surface out of their end surfaces perpendicular to the c axes.Type: ApplicationFiled: February 24, 2009Publication date: January 20, 2011Inventors: Takayuki Shimamura, Masayuki Ono, Reiko Taniguchi, Eiichi Satoh, Masato Murayama, Masaru Odagiri
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Publication number: 20110001858Abstract: An imaging apparatus with improved convenience, which can perform various types of processing using an imaging device while performing phase difference detection, is provided. An imaging unit (1) includes an imaging device (10) for performing photoelectric conversion to convert light into an electrical signal, the imaging device (10) configured so that light passes through the imaging device (10), a phase difference detection unit (20) for receiving the light having passed through the imaging device (10) to perform phase difference detection, a focus lens group (72) for adjusting a focus position, and a body control section (5) for controlling the imaging device (10) and controlling driving of the focus lens group (72) at least based on a detection result of the phase difference detection unit. The body control section (5) performs a focus operation based on a detection result of the phase difference detection unit during exposure of the imaging device.Type: ApplicationFiled: February 18, 2009Publication date: January 6, 2011Inventors: Dai Shintani, Kenichi Honjo, Masato Murayama
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Publication number: 20100329655Abstract: An imaging apparatus which can perform phase difference detection while causing light to enter an imaging device is provided. An imaging unit (1) includes an imaging device (10) for receiving light to perform photoelectric conversion, the imaging device (10) being configured so that light passes through the imaging device (10), a phase difference detection unit (20) including a line sensor (24a) for receiving the light which has passed through the imaging device (10) to perform phase difference detection, and a condenser lens (21a), provided between the imaging device (10) and the line sensor (24a), for bending an optical path of the light which has passed through the imaging device (10) to direct the light to the line sensor (24a).Type: ApplicationFiled: February 20, 2009Publication date: December 30, 2010Inventors: Dai Shintani, Masato Murayama
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Publication number: 20100310245Abstract: A lens position calculator is provided that determines a phase of a driving signal as a reference position of an imaging lens when an output value of a position detection sensor reaches a threshold value. The lens position calculator determines a position obtained by performing addition or subtraction on the reference position read out from a reference position storage as a judgment position, detects an output value of the position detection sensor at a timing in synchronization with the driving signal that drives a driver and at the judgment position, and judges whether the output value of the position detection sensor at the judgment position reaches the threshold value or not, so as to determine the reference position again.Type: ApplicationFiled: August 16, 2010Publication date: December 9, 2010Applicant: Panasonic CorporationInventors: Kenichi HONJO, Kouji Shibuno, Takayuki Hayashi, Keiji Sakamoto, Takumi Kuwahara, Hiroyuki Kawahara, Hironori Honsho, Naoto Yumiki, Masato Murayama
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Publication number: 20100215353Abstract: A camera includes an optical system, a housing, an image blur corrector, a displacement acquisition section, a rotary driver, a correction computer, and a drive controller. The displacement acquisition section is configured to acquire the amount of displacement of the housing. The rotary driver is configured to rotationally drive the displacement acquisition section with respect to the housing. The correction computer is configured to calculate a first correction amount at the image blur corrector from the displacement amount acquired by the displacement acquisition section. The drive controller is configured to control the operation of the rotary driver, and also controls the operation of the image blur corrector on the basis of the first correction amount.Type: ApplicationFiled: May 5, 2010Publication date: August 26, 2010Applicant: PANASONIC CORPORATIONInventors: HIDEYUKI HASHI, KENICHI HAYASHI, HIRONORI HONSHO, MASANOBU TANAKA, KAZUO SIBUKAWA, MASATO MURAYAMA
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Publication number: 20100188319Abstract: A display is provided with: a substrate; a plurality of parallel scan wires extending over the substrate in a first direction; a plurality of parallel data wires extending parallel to a surface of the substrate in a second direction perpendicular to the first direction; at least one switching element per intersection between the scan wires and the data wires; pixel electrodes connected to the switching elements; at least one phosphor layer provided above the pixel electrodes; and common electrodes provided above the phosphor layer, and the phosphor layer has a polycrystalline structure made of a first semiconductor material and a second semiconductor material segregated between grain boundaries in the polycrystalline structure, which is different from the first semiconductor material.Type: ApplicationFiled: September 12, 2007Publication date: July 29, 2010Inventors: Reiko Taniguchi, Masayuki Ono, Shogo Nasu, Eiichi Satoh, Toshiyuki Aoyama, Kenji Hasegawa, Masaru Odagiri, Masato Murayama
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Publication number: 20100046085Abstract: An interchangeable lens unit comprises a second lens group unit, a focus lens unit, a fourth lens group unit, a zoom ring unit, and a focus motor. The zoom ring unit mechanically transmits operational force inputted to a zoom ring to the second lens group unit and the fourth lens group unit. The focus motor electrically drives the focus lens unit in the Z axis direction with respect to the second lens group unit. When the zoom ring is operated in a state in which no power is being supplied to the focus motor, a gap is always ensured in the Z axis direction between the focus lens unit and the second lens group unit.Type: ApplicationFiled: May 26, 2009Publication date: February 25, 2010Applicant: PANASONIC CORPORATIONInventors: Naoto YUMIKI, Hideo ONISHI, Yoshiharu ARAKI, Fumio MURAMATSU, Masato MURAYAMA