Patents by Inventor Osamu Hamamoto
Osamu Hamamoto 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: 20030076551Abstract: There is disclosed an illumination device in which a light guide is adapted to emil the light from a face thereof and is provided with an area, on a face opposite to the light emitting face, for diffusing and/or reflecting the light introduced into the light guide from an end face thereof or is provided with uneven light emitting characteristics along the longitudinal direction of the light guide, and the center of the light source positioned at the end of the light guide is placed at a position aberrated from the normal line to said area, whereby attained are compactnces, a low cost, a low eleotric power consumption, a high efficiency of utilization of the light emitted by the light source, and excellent and uniform illumination characteristics. There are also disclosed an image reading device and an information processing apparatus, equipped with the above-mentioned illumination device.Type: ApplicationFiled: November 18, 2002Publication date: April 24, 2003Applicant: CANON KABUSHIKI KAISHAInventors: Tatsundo Kawai, Osamu Hamamoto, Shinichi Takeda, Satoshi Itabashi, Toshimitsu Iso
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Patent number: 6528796Abstract: A large-area and compact radiation image pickup device is provided in which an imaging optical system is arranged between a solid image pickup element and a wavelength converting member, and a radiation such as x-rays as converted into the sensitive wavelength region of the solid image pickup element by the wavelength converting member is guided by the imaging optical systems to convert the radiation into an electric signal by a plurality of photosensors. The radiation that has passed through the wavelength converting member is absorbed by a light transmissive member or a unity magnification erectly imaging optical system, thereby reducing or preventing irradiation of the photosensors or the like with the radiation.Type: GrantFiled: July 6, 2000Date of Patent: March 4, 2003Assignee: Canon Kabushiki KaishaInventors: Noriyuki Kaifu, Akira Funakoshi, Osamu Hamamoto
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Patent number: 6512600Abstract: There is disclosed an illumination device in which a light guide is adapted to emit the light from a face thereof and is provided with an area, on a face opposite to the light emitting face, for diffusing and/or reflecting the light introduced into the light guide from an end face thereof or is provided with uneven light emitting characteristics along the longitudinal direction of the light guide, and the center of the light source positioned at the end of the light guide is placed at a position aberrated from the normal line to the area, whereby attained are compactness, a low cost, a low electric power consumption, a high efficiency of utilization of the light emitted by the light source, and excellent and uniform illumination characteristics. There are also disclosed an image reading device and an information processing apparatus, equipped with the above-mentioned illumination device.Type: GrantFiled: October 10, 1997Date of Patent: January 28, 2003Assignee: Canon Kabushiki KaishaInventors: Tatsundo Kawai, Osamu Hamamoto, Shinichi Takeda, Satoshi Itabashi
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Publication number: 20020195676Abstract: The invention concerns a flexible substrate comprising an inner lead connected to an external connection terminal formed on a substrate, and a base film formed on the lead. The base film area above the substrate and closest to the terminal is thinner than the terminal. The invention also provides a semiconductor device comprising an inner lead connected to an external connection terminal formed on a substrate, and a base film formed on the lead. The base film area above the substrate and closest to the terminal is thinner than the terminal. The invention also provides for a manufacturing method a semiconductor device comprising a substrate, an external connection terminal, and an inner lead with a base film. Further, the invention provides a semiconductor device with a substrate with a chamfered corner between the connection and side faces. By the invention, connection of an inner lead or a flexible substrate is made easier.Type: ApplicationFiled: June 10, 2002Publication date: December 26, 2002Applicant: CANON KABUSHIKI KAISHAInventors: Osamu Hamamoto, Koji Sato, Kenji Kajiwara
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Patent number: 6479827Abstract: An image sensing apparatus is constructed in the optimum structure for provision of a wide photoreceptive area and has a plurality of solid state image sensing devices, each having a photoreceptive area comprising a plurality of photoelectric conversion elements, and a plurality of optical fiber plates for guiding light to the respective solid state image sensing devices, wherein the optical fiber plates are of a configuration for guiding light obliquely relative to a direction normal to an incidence plane of light of the optical fiber plates and toward the periphery of the solid state image sensing devices to which the optical fiber plates guide the light.Type: GrantFiled: June 29, 2000Date of Patent: November 12, 2002Assignee: Canon Kabushiki KaishaInventors: Osamu Hamamoto, Noriyuki Kaifu, Kazuaki Tashiro, Osamu Yuki, Kenji Kajiwara
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Patent number: 6426807Abstract: There is disclosed an illumination device in which a light guide is adapted to emit the light from a face thereof and is provided with an area, on a face opposite to the light emitting face, for diffusing and/or reflecting the light introduced into the light guide from an end face thereof or is provided with uneven light emitting characteristics along the longitudinal direction of the light guide, and the center of the light source positioned at the end of the light guide is placed at a position aberrated from the normal line to the area, whereby attained are compactness, a low cost, a low electric power consumption, a high efficiency of utilization of the light emitted by the light source, and excellent and uniform illumination characteristics. There are also disclosed an image reading device and an information processing apparatus, equipped with the above-mentioned illumination device.Type: GrantFiled: August 29, 2000Date of Patent: July 30, 2002Assignee: Canon Kabushiki KaishaInventors: Tatsundo Kawai, Osamu Hamamoto, Shinichi Takeda, Satoshi Itabashi, Toshimitsu Iso
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Publication number: 20020038851Abstract: The invention provides a fiber plate formed by arranging in mutually adjacent manner plural individual fiber plates of a same thickness so as to provide a light guiding plane larger in area than the light guiding plane of the individual one fiber plate, and a radiation image pickup apparatus utilizing such fiber plate, in which:Type: ApplicationFiled: August 7, 2001Publication date: April 4, 2002Inventors: Kenji Kajiwara, Osamu Hamamoto
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Publication number: 20020021786Abstract: An image pickup device has a plurality of photoelectric converter substrates carring respective input/output terminals connected to the photoelectric converters. The device comprises leads connected to the input/output terminals and extending to the side opposite to the light recieving surfaces of the photoelectric converter substrates thorough the gaps separating the substrates.Type: ApplicationFiled: July 9, 2001Publication date: February 21, 2002Inventors: Osamu Hamamoto, Yoshinori Shimamura, Noriyuki Kaifu, Kazuaki Tashiro, Tetsunobu Kochi, Osamu Yuki, Kenji Kajiwara
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Patent number: 5905583Abstract: There is disclosed an illumination device in which a light guide is adapted to emit the light from a face thereof and is provided with an area, on a face opposite to the light emitting face, for diffusing and/or reflecting the light introduced into the light guide from an end face thereof or is provided with uneven light emitting characteristics along the longitudinal direction of the light guide, and the center of the light source positioned at the end of the light guide is placed at a position aberrated from the normal line to the area, whereby attained are compactness, a low cost, a low electric power consumption, a high efficiency of utilization of the light emitted by the light source, and excellent and uniform illumination characteristics. There are also disclosed an image reading device and an information processing apparatus, equipped with the above-mentioned illumination device.Type: GrantFiled: December 3, 1997Date of Patent: May 18, 1999Assignee: Canon Kabushiki KaishaInventors: Tatsundo Kawai, Osamu Hamamoto, Shinichi Takeda, Satoshi Itabashi
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Patent number: 5691794Abstract: A liquid crystal display device comprised of picture element electrodes provided on a first plane of a substrate and an opposed electrode placed opposedly to the picture element electrodes, between which a liquid crystal is carried, characterized in that in a region of the substrate corresponding to the picture element electrodes is formed a concave portion from the second plane opposite the first plane of the substrate, the region being light translucent, and the concave portion having a translucent material enclosed therein.Type: GrantFiled: January 31, 1994Date of Patent: November 25, 1997Assignee: Canon Kabushiki KaishaInventors: Junichi Hoshi, Shigetoshi Sugawa, Shunsuke Inoue, Osamu Hamamoto, Yoshihiko Fukumoto, Yutaka Genchi, Masaru Kamio, Mamoru Miyawaki
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Patent number: 5661571Abstract: An image reading device for reading image information of an original with reading means, includes: original pressing means including a flexible sheet, a flexible member for pressing the flexible sheet, and means for pressing the flexible member.Type: GrantFiled: August 17, 1994Date of Patent: August 26, 1997Assignee: Canon Kabushiki KaishaInventors: Kazuya Ijuin, Hiroo Ichihashi, Katsumi Komiyama, Yoshikazu Sano, Makoto Ogura, Osamu Hamamoto, Tetsuya Shimada
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Patent number: 5621544Abstract: In an original image reading device of this invention, a reading unit for reading an image on an original, an original convey unit for conveying the original, and a drive force transmission unit for transmitting a drive force from an apparatus main body to the original convey unit are integrally arranged on single support unit, so that the device is attachable to and detachable from said apparatus main body.Type: GrantFiled: April 20, 1995Date of Patent: April 15, 1997Assignee: Canon Kabushiki KaishaInventors: Makoto Ogura, Hiroo Ichihashi, Katsumi Komiyama, Yoshikazu Sano, Osamu Hamamoto, Tetsuya Shimada
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Patent number: 5526141Abstract: An original image reading device includes a first supporting device having an original platen roller, provided on a side of an original opposed to an image reading device, for conveying the original at a position deviated from an original reading position, and a non-cylindrical original contact device for urging the original toward the image reading device. The original contact device is provided at the original reading position on the side of the original opposed to the image reading device. A second supporting device includes the image reading device, which has a contact-type reading sensor. The image reading device reads image information of the original by receiving a light reflected from the original. The first supporting device and the second supporting device are combined at a fulcrum at an original exit side so as to relatively rotatable. The original platen roller is separated from the second supporting device upon relative rotation of the first and second supporting devices.Type: GrantFiled: February 28, 1994Date of Patent: June 11, 1996Assignee: Canon Kabushiki KaishaInventors: Makoto Ogura, Hiroo Ichihashi, Katsumi Komiyama, Yoshikazu Sano, Osamu Hamamoto, Tetsuya Shimada
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Patent number: 5499112Abstract: There is disclosed an illumination device in which a light guide is adapted to emit the light from a face thereof and is provided with an area, on a face opposite to the light emitting face, for diffusing and/or reflecting the light introduced into the light guide from an end face thereof or is provided with uneven light emitting characteristics along the longitudinal direction of the light guide, and the center of the light source positioned at the end of the light guide is placed at a position aberrated from the normal line to said area, whereby attained are compactness, a low cost, a low electric power consumption, a high efficiency of utilization of the light emitted by the light source, and excellent and uniform illumination characteristics. There are also disclosed an image reading device and an information processing apparatus, equipped with the above-mentioned illumination device.Type: GrantFiled: January 19, 1994Date of Patent: March 12, 1996Assignee: Cannon Kabushiki KaishaInventors: Tatsundo Kawai, Osamu Hamamoto, Shinichi Takeda, Satoshi Itabashi, Toshimitsu Iso
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Patent number: 5475504Abstract: In an original image reading device of this invention, a reading unit for reading an image on an original, an original convey unit for conveying the original, and a drive force transmission unit for transmitting a drive force from an apparatus main body to the original convey unit are integrally arranged on single support unit, so that the device is attachable to and detachable from the apparatus main body.Type: GrantFiled: June 29, 1993Date of Patent: December 12, 1995Assignee: Canon Kabushiki KaishaInventors: Makoto Ogura, Hiroo Ichihashi, Katsumi Komiyama, Yoshikazu Sano, Osamu Hamamoto, Tetsuya Shimada
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Patent number: 5366824Abstract: A flow battery comprises a plurality of unit cells each constituted of stacked unit cells each consisting of a prescribed number of stacked diaphragms and positive electrode chambers and negative electrode chambers separated by the diaphragms, a positive electrode fluid tank associated with each unit cell to have its outlet connected with an inlet of the positive electrode chamber of the unit cell and its inlet connected with an outlet of the positive chamber of a immediately preceding unit cell, a negative electrode fluid tank associated with each unit cell to have it outlet connected with an inlet of the negative chamber of the unit cell and its inlet connected with outlet of the negative chamber of an immediately preceding unit cell, a pump for supplying positive electrode fluid from the positive electrode fluid tanks to the positive electrode chambers, a pump for supplying negative electrode fluid from the negative electrode fluid tanks to the negative electrode chambers, and means for electrically connecType: GrantFiled: October 20, 1993Date of Patent: November 22, 1994Assignee: Agency of Industrial Science & Technology, Ministry of International Trade & IndustryInventors: Ken Nozaki, Kosuke Kurokawa, Izumi Tsuda, Osamu Hamamoto, Keiiti Watanabe
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Patent number: 5261013Abstract: A photoelectric converter includes a transparent substrate having a photoelectric converting element provided on a surface opposing a document relating to reading of image information, a transparent support for supporting the substrate, and a light source provided on a surface of the support opposite to a supporting surface for the substrate. Light emitted from the light source is radiated on a document through the support and the substrate, and reflected light is received by the photoelectric converting element.Type: GrantFiled: March 3, 1992Date of Patent: November 9, 1993Assignee: Canon Kabushiki KaishaInventors: Masayoshi Murata, Katsumi Komiyama, Tatsundo Kawai, Makoto Ogura, Hiroo Ichihashi, Osamu Hamamoto
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Patent number: 5121225Abstract: A photoelectric converter includes a transparent substrate having a photoelectric converting element provided on a surface opposing a document relating to reading of image information, a transparent support for supporting the substrate, and a light source provided on a surface of the support opposite to a supporting surface for the substrate. Light emitted from the light source is radiated on a document through the support and the substrate, and reflected light is received by the photoelectric converting element.Type: GrantFiled: February 20, 1990Date of Patent: June 9, 1992Assignee: Canon Kabushiki KaishaInventors: Masayoshi Murata, Katsumi Komiyama, Tatsundo Kawai, Makoto Ogura, Hiroo Ichihashi, Osamu Hamamoto
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Patent number: 5101285Abstract: A photoelectric conversion device includes a photosensor including a plurality of photoelectric conversion elements and a substrate having a transparent portion for transmitting light for illuminating an original bearing information and provided with the plurality of photoelectric conversion elements, and a light source for emitting light for illuminating the original in which a plurality of light-emitting sources are arranged. The device further includes a light diffuser between the photosensor and the light source.Type: GrantFiled: July 23, 1990Date of Patent: March 31, 1992Assignee: Canon Kabushiki KaishaInventors: Tatsundo Kawai, Tetsuya Shimada, Masashi Kitani, Osamu Hamamoto
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Patent number: 4953000Abstract: A semiconductor device comprising a pair of first and second opposing conductors and a lamination of a semiconductor layer and an insulating layer held between, and joined together, the first and second conductors, respectively. The average potential of the second conductor joined to the insulating layer relative to the average potential of the first conductor joined to the semiconductor layer is set so as to have such a direction that the supply of carriers from the first conductor to the semiconductor layer is prevented.Type: GrantFiled: November 14, 1988Date of Patent: August 28, 1990Assignee: Canon Kabushiki KaishaInventors: Noriyuki Kaifu, Masayoshi Murata, Osamu Hamamoto, Katsumi Komiyama