Patents by Inventor Toshiyoshi Yamamoto
Toshiyoshi Yamamoto 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: 8270567Abstract: An X-ray imaging device includes an X-ray detection section, a cold electron source, and a light-shielding coating layer. The X-ray detection section includes an X-ray conversion layer made of an X-ray converter material which generates electric charges upon incidence of an X-ray, a first charge injection blocking layer formed on an incidence surface of the X-ray conversion layer, and a second charge injection blocking layer formed on a rear surface of the X-ray conversion layer. The cold electron source has a plurality of electron emission sections arranged in a matrix form, each of the electronic emission sections being capable of emitting electrons toward the second charge injection blocking layer of the X-ray detection section. The light-shielding coating layer blocks incidence of the visible light into the X-ray detection section.Type: GrantFiled: April 25, 2008Date of Patent: September 18, 2012Assignee: Panasonic CorporationInventors: Toshiyoshi Yamamoto, Yoshihiro Ino
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Publication number: 20100128845Abstract: An X-ray imaging device 1 includes an X-ray detection section 2, a cold electron source 3, and a light-shielding coating layer 9. The X-ray detection section 2 includes an X-ray conversion layer 13 made of an X-ray converter material which generates electric charges upon incidence of an X-ray, a first charge injection blocking layer 14 formed on an incidence surface 13a of the X-ray conversion layer 13, and a second charge injection blocking layer 15 formed on a rear surface 13b of the X-ray conversion layer 13. The cold electron source 3 has a plurality of electron emission sections arranged in a matrix form, each of the electronic emission sections being capable of emitting electrons toward the second charge injection blocking layer 15 of the X-ray detection section 2. The light-shielding coating layer 9 blocks incidence of the visible light into the X-ray detection section 2.Type: ApplicationFiled: April 25, 2008Publication date: May 27, 2010Inventors: Toshiyoshi Yamamoto, Yoshihiro Ono
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Patent number: 7436929Abstract: A radiographic system is provided, which is capable of displaying brightness of laterally corresponding points with equivalent brightness, when an object having equivalent texture structures or micro areas of equivalent X-ray transmittance at laterally symmetric positions. The radiographic system includes an exposure time deriving section that obtains a period during which the object has been exposed to X-rays in a process of generating each charge signal output from an X-ray image detecting section based on vertical transfer information held at the vertical transfer information holding section, a correction coefficient deriving section that obtains a correction coefficient for correcting the value of an image signal obtained by being converted from each charge signal, based on the exposure time, and an image generating section that generates an image signal from the charge signal output from the X-ray image detecting section and the correction coefficient.Type: GrantFiled: December 1, 2005Date of Patent: October 14, 2008Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Atsushi Sakata, Toshiyoshi Yamamoto
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Publication number: 20080089473Abstract: A radiographic system is provided, which is capable of displaying brightness of laterally corresponding points with equivalent brightness, when an object having equivalent texture structures or micro areas of equivalent X-ray transmittance at laterally symmetric positions. The radiographic system includes an exposure time deriving section that obtains a period during which the object has been exposed to X-rays in a process of generating each charge signal output from an X-ray image detecting section based on vertical transfer information held at the vertical transfer information holding section, a correction coefficient deriving section that obtains a correction coefficient for correcting the value of an image signal obtained by being converted from each charge signal, based on the exposure time, and an image generating section that generates an image signal from the charge signal output from the X-ray image detecting section and the correction coefficient.Type: ApplicationFiled: December 1, 2005Publication date: April 17, 2008Applicant: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.Inventors: Atsushi Sakata, Toshiyoshi Yamamoto
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Patent number: 7016718Abstract: In photodynamic diagnosis and photodynamic therapy, the oscillating wavelength of laser light from a light source is fitted to a plurality of different kinds of photosensitizers and exciting conditions thereof. Moreover, diagnosis and treatment are achieved using concurrent diagnosis during treatment is realized as well. A semiconductor laser generates laser light having an oscillating wavelength which is variable and a full width at half maximum which is narrow. A light transmission line guides an irradiated laser light to the vicinity of a focus, an image transmission line observes the focus and the periphery thereof, a fluorescence light extracting device extracts only the fluorescence light emitted from a photosensitizer excited by the irradiated laser light, an image-pick-up/analyzing device picks up and analyzes an image of the extracted fluorescence light and an image display device displays the analyzing result.Type: GrantFiled: March 15, 2002Date of Patent: March 21, 2006Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Yoshiteru Ii, Akira Kaneda, Takayoshi Yuzu, Toshiyoshi Yamamoto, Harubumi Kato, Katsuo Aizawa
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Patent number: 6949750Abstract: The present invention provides a method of preventing or reducing X-ray-induced temporal changes of a semiconductor photoelectric conversion film formed on a TFT substrate, in which a protective film or sheet is used to protect the semiconductor photoelectric conversion film in order to improve weather resistance such as light blocking effect and moisture resistance.Type: GrantFiled: March 28, 2001Date of Patent: September 27, 2005Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Hiroshi Tsutsui, Katsuyuki Kaneko, Takayoshi Yuzu, Toshiyoshi Yamamoto, Yoshiteru Il
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Patent number: 6748049Abstract: X-ray camera of the present invention comprises an X-ray irradiation unit, an X-ray image sensor, a controller having a correction factor setting unit, a correction factor storage unit and a correctional operation unit, and a display unit. The X-ray image sensor in the above configuration comprises a sensor such as CCD, TFT, and the like having a scintillator on a surface thereof, and a substrate having the sensor mounted thereon. The correction factor setting unit obtains a value La/Ln by dividing a predetermined brightness reference value La set beforehand by a brightness value Ln of an arbitrary pixel “n”, and sets the obtained value as a correction factor for each pixel. The correction factor storage unit stores the correction factor set by the correction factor setting unit. The correctional operation unit obtains the correction factor from the correction factor storage unit, and performs a corrective operation.Type: GrantFiled: January 22, 2001Date of Patent: June 8, 2004Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Toshiyoshi Yamamoto, Takuo Shimada, Atsushi Sakata, Kazuya Kondo, Yoshihiro Ino
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Publication number: 20030183749Abstract: The present invention provides a method of preventing or reducing X-ray-induced temporal changes of a semiconductor photoelectric conversion film formed on a TFT substrate, in which a protective film or sheet is used to protect the semiconductor photoelectric conversion film in order to improve weather resistance such as light blocking effect and moisture resistance.Type: ApplicationFiled: February 14, 2003Publication date: October 2, 2003Inventors: Hiroshi Tsutsui, Katsuyuki Kaneko, Takayoshi Yuzu, Toshiyoshi Yamamoto, Yoshiteru Il
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Publication number: 20030036785Abstract: In photodynamic diagnosis and photodynamic therapy, the oscillating wavelength of laser light from a light source is fitted to a plurality of different kinds of photosensitizers and exciting conditions thereof. Moreover, diagnosis and treatment are achieved using concurrent diagnosis during treatment is realized as well. A semiconductor laser generates laser light having an oscillating wavelength which is variable and a full width at half maximum which is narrow. A light transmission line guides an irradiated laser light to the vicinity of a focus, an image transmission line observes the focus and the periphery thereof, a fluorescence light extracting device extracts only the fluorescence light emitted from a photosensitizer excited by the irradiated laser light, an image-pick-up/analyzing device picks up and analyzes an image of the extracted fluorescence light and an image display device displays the analyzing result.Type: ApplicationFiled: March 15, 2002Publication date: February 20, 2003Inventors: Yoshiteru Ii, Akira Kaneda, Takayoshi Yuzu, Toshiyoshi Yamamoto, Harubumi Kato, Katsuo Aizawa
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Patent number: 6463169Abstract: An X-ray imaging apparatus of the present invention is configured so that image data outputting means receives X-rays and outputs image data containing plural pixels, and, when a pixel value of a designated pixel in the image data is larger than a maximum pixel value of pixels surrounding the designated pixel by a predetermined value or more, abnormal data eliminating means judges the designated value as an abnormal data and corrects the abnormal data, thereby an optimum image quality adjustment is automatically conducted in accordance with an exposure object.Type: GrantFiled: July 26, 1999Date of Patent: October 8, 2002Assignee: Matsushita Electrical Industrial Co., Ltd.Inventors: Yoshihiro Ino, Toshiyoshi Yamamoto, Koichi Ohmori, Yasuhiko Shinkaji
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Patent number: 6383175Abstract: In photodynamic diagnosis and photodynamic therapy, the oscillating wavelength of laser light from a light source is fitted to a plurality of different kinds of photosensitizers and exciting conditions thereof. Moreover, diagnosis and treatment are achieved using a single light source. Concurrent diagnosis during treatment is realized as well. A semiconductor laser generates laser light having an oscillating wavelength which is variable and a full width at half maximum which is narrow. A light transmission line guides an irradiated laser light the vicinity of a focus, an image transmission line observes the focus and the periphery thereof, a fluorescence light extracting device extracts only the fluorescence light emitted from a photosensitizer excited by the irradiated laser light, an image-pick-up/analyzing device picks up and analyzes an image of the extracted fluorescence light and an image display device displays the analyzing result.Type: GrantFiled: September 28, 1999Date of Patent: May 7, 2002Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Yoshiteru Ii, Akira Kaneda, Takayoshi Yuzu, Toshiyoshi Yamamoto, Harubumi Kato, Katsuo Aizawa
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Patent number: 6214033Abstract: In photodynamic diagnosis and photodynamic therapy, the oscillating wavelength of laser light from a light source is fitted to a plurality of different kinds of photosensitizers and exciting conditions thereof. Moreover, diagnosis and treatment are achieved using a single light source. Concurrent diagnosis during treatment is realized as well. A semiconductor laser generates laser light having an oscillating wavelength which is variable and a full width at half maximum which is narrow. A light transmission line guides an irradiated laser light to the vicinity of a focus, an image transmission line observes the focus and the periphery thereof, a fluorescence light extracting device extracts only the fluorescence light emitted from a photosensitizer excited by the irradiated laser light, an image-pick-up/analyzing device picks up and analyzes an image of the extracted fluorescence light and an image display device displays the analyzing result.Type: GrantFiled: October 19, 1995Date of Patent: April 10, 2001Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Yoshiteru Ii, Akira Kaneda, Takayoshi Yuzu, Toshiyoshi Yamamoto, Harubumi Kato, Katsuo Aizawa
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Patent number: 6201891Abstract: An X-ray imaging apparatus of the present invention is configured so that image data outputting means receives X-rays and outputs image data containing plural pixels, and, when a pixel value of a designated pixel in the image data is larger than a maximum pixel value of pixels surrounding the designated pixel by a predetermined value or more, abnormal data eliminating means judges the designated value as an abnormal data and corrects the abnormal data, thereby an optimum image quality adjustment is automatically conducted in accordance with an exposure object.Type: GrantFiled: July 26, 1999Date of Patent: March 13, 2001Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Yoshihiro Ino, Toshiyoshi Yamamoto, Koichi Ohmori, Yasuhiko Shinkaji
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Patent number: 5974166Abstract: An X-ray imaging apparatus of the present invention is configured so that image data outputting means receives X-rays and outputs image data containing plural pixels, and, when a pixel value of a designated pixel in the image data is larger than a maximum pixel value of pixels surrounding the designated pixel by a predetermined value or more, abnormal data eliminating means judges the designated value as an abnormal data and corrects the abnormal data, thereby an optimum image quality adjustment is automatically conducted in accordance with an exposure object.Type: GrantFiled: June 25, 1997Date of Patent: October 26, 1999Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Yoshihiro Ino, Toshiyoshi Yamamoto, Koichi Ohmori, Yasuhiko Shinkaji
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Patent number: 5701011Abstract: A radiographic apparatus is provided which is capable of converting an X-ray directly into an electric signal, high in resolution and detection efficiency, and easy to manufacture. On at least one surface of a compound semiconductor substrate for generating an electric charge by X-ray irradiation, a plurality of split electrodes are disposed, and electrodes are disposed on picture elements formed on a CCD corresponding to these split electrodes, and are electrically connected to CdTe as compound semiconductor substrate and the CCD. An electric current issued from the split electrodes is divided, and is partly discharged through grounding wires.Type: GrantFiled: May 30, 1996Date of Patent: December 23, 1997Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Koichi Ohmori, Toshiyoshi Yamamoto, Yuji Matsuda, Yoshihiko Tanji, Takayoshi Yuuzu
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Patent number: 5010664Abstract: A steam iron having a soleplate to be heated by a heater, an evaporation chamber disposed upon the soleplate, a tank located above the evaporation chamber, and a pump which delivers water from the tank to the evaporation chamber, wherein the pump is driven at specified intervals so as to generate extra steam, to attain an improvement of manipulation of the steam iron in ejecting extra steam and preventing blow-off of hot water.Type: GrantFiled: November 16, 1989Date of Patent: April 30, 1991Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Chikashi Sakano, Seiichi Nakada, Masao Shimizu, Shinichi Ito, Toshiyoshi Yamamoto
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Patent number: 4467717Abstract: A screw press dehydrator provided with a cake cutter which is formed of a plurality of stationary plates and sliding plates each containing circular holes and disposed alternately around a screw barrel at a position closer to the discharge outlet side thereof, with a screw laid through the circular holes. A smaller circular hole is provided in each of the sliding plates. A revolutionary motion is imparted to the sliding plates such that the centers of the circular holes in the sliding plates may describe a circle of a fixed radius about the centers of the circular holes in the stationary plates and the circumferences of the circular holes in the revolving sliding plates may remain in contact with the circular holes in the stationary plates.Type: GrantFiled: October 25, 1982Date of Patent: August 28, 1984Assignee: Sanshukakan Kogyo Kabushiki KaishaInventor: Toshiyoshi Yamamoto
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Patent number: 4431048Abstract: An apparatus for effecting forced circulations of two separate fluids through separate fluids paths provided therein and, simultaneously, heat-exchanging between the fluids in a single unit is disclosed. It includes an impeller having a concentric corrugated zone made of a thin sheet material of good heat-conducting property, supported by a central disk member and an annular peripheral member, along both side of which flows of separate fluids are created, when the impeller is rotated. The heat-exchanging between the fluids each having a temperature difference with respect to the other is performed through the corrugated zone which the fluids are propelled through said paths.Type: GrantFiled: August 24, 1981Date of Patent: February 14, 1984Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Kunihito Mori, Masao Torigoe, Toshiyoshi Yamamoto