Patents by Inventor Nobuo Matsuoka
Nobuo Matsuoka 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: 20240075672Abstract: It is an object of the present invention to provide a novel production method which makes it possible to obtain a molded product containing a P3HB-based resin through an injection blow molding method and a technique for using such a method. The object is achieved by providing a method for producing a molded product containing a P3HB-based resin, the method including the steps of: (A) plasticizing a resin composition containing a P3HB-based resin; (B) subjecting the plasticized resin composition obtained in the step (A) to injection molding to obtain a preform; and (C) subjecting the preform obtained in the step (B) to blow molding to obtain a molded product.Type: ApplicationFiled: December 21, 2021Publication date: March 7, 2024Applicants: KANEKA CORPORATION, SUNTORY HOLDINGS LIMITEDInventors: Hideyuki SUZUKI, Takashi AKIYAMA, Masanori NISHIYAMA, Yoshiaki MATSUOKA, Nobuo NAKAMURA
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Patent number: 7535580Abstract: An image forming apparatus which can form an even image while maintaining high resolution. A speckle pattern detecting unit detects a speckle pattern on a surface of a photosensitive drum. A motor drive circuit controls the rotational speed of the photosensitive drum based on the detected speckle pattern on the surface of the photosensitive drum detected by the speckle pattern detecting unit.Type: GrantFiled: April 19, 2007Date of Patent: May 19, 2009Assignee: Canon Kabushiki KaishaInventor: Nobuo Matsuoka
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Publication number: 20070247636Abstract: An image forming apparatus which can form an even image while maintaining high resolution. A speckle pattern detecting unit detects a speckle pattern on a surface of a photosensitive drum. A motor drive circuit controls the rotational speed of the photosensitive drum based on the detected speckle pattern on the surface of the photosensitive drum detected by the speckle pattern detecting unit.Type: ApplicationFiled: April 19, 2007Publication date: October 25, 2007Applicant: CANON KABUSHIKI KAISHAInventor: Nobuo MATSUOKA
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Patent number: 7170643Abstract: In an image reading apparatus having a light source for illuminating a document, an image sensing element for outputting an electrical signal in accordance with an input light quantity, a first reference member, and a second reference member, shading correction data is acquired. A time since the light source is turned on is measured, and when the measured time does not reach a predetermined time, shading correction data is acquired by a first method using the first reference member. When the predetermined time has elapsed, shading correction data is acquired by a second method using the second reference member.Type: GrantFiled: January 25, 2001Date of Patent: January 30, 2007Assignee: Canon Kabushiki KaishaInventors: Noriaki Matsui, Nobuo Matsuoka, Toshio Hayashi, Junichi Kishimoto, Katsuhiro Ishido, Satoru Kijima
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Patent number: 6952290Abstract: An original size sensing method for an apparatus which includes a photoelectric converter for reading an image of an original placed on a platen, and a light source for irradiating the original with light, determines the presence/absence of incidence of ambient light on the basis of an output from the photoelectric converter while the light source is kept off. When ambient light is found to be incident, the method determines the size of an original placed on the platen on the basis of that output from the photoelectric converter, which falls outside the range in which the ambient light is incident, while the light source is kept on.Type: GrantFiled: March 27, 2001Date of Patent: October 4, 2005Assignee: Canon Kabushiki KaishaInventors: Katsuhiro Ishido, Nobuo Matsuoka, Akihiro Kashiwabara, Toshio Hayashi, Takeshi Aoyama, Tsunao Honbo, Noriaki Matsui, Satoru Kijima
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Publication number: 20040233478Abstract: An original size sensing method for an apparatus which includes a photoelectric converter for reading an image of an original placed on a platen, and a light source for irradiating the original with light, determines the presence/absence of incidence of ambient light on the basis of an output from the photoelectric converter while the light source is kept off. When ambient light is found to be incident, the method determines the size of an original placed on the platen on the basis of that output from the photoelectric converter, which falls outside the range in which the ambient light is incident, while the light source is kept on.Type: ApplicationFiled: June 23, 2004Publication date: November 25, 2004Inventors: Katsuhiro Ishido, Nobuo Matsuoka, Akihiro Kashiwabara, Toshio Hayashi, Takeshi Aoyama, Tsunao Honbo, Noriaki Matsui, Satoru Kijima
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Publication number: 20010035987Abstract: An original size sensing method for an apparatus which includes a photoelectric converter for reading an image of an original placed on a platen, and a light source for irradiating the original with light, determines the presence/absence of incidence of ambient light on the basis of an output from the photoelectric converter while the light source is kept off. When ambient light is found to be incident, the method determines the size of an original placed on the platen on the basis of that output from the photoelectric converter, which falls outside the range in which the ambient light is incident, while the light source is kept on.Type: ApplicationFiled: March 27, 2001Publication date: November 1, 2001Inventors: Katsuhiro Ishido, Nobuo Matsuoka, Akihiro Kashiwabara, Toshio Hayashi, Takeshi Aoyama, Tsunao Honbo, Noriaki Matsui, Satoru Kijima
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Publication number: 20010022672Abstract: In an image reading apparatus having a light source for illuminating a document, an image sensing element for outputting an electrical signal in accordance with an input light quantity, a first reference member, and a second reference member, shading correction data is acquired. A time since the light source is turned on is measured, and when the measured time does not reach a predetermined time, shading correction data is acquired by a first method using the first reference member. When the predetermined time has elapsed, shading correction data is acquired by a second method using the second reference member.Type: ApplicationFiled: January 25, 2001Publication date: September 20, 2001Inventors: Noriaki Matsui, Nobuo Matsuoka, Toshio Hayashi, Junichi Kishimoto, Katsuhiro Ishido, Satoru Kijima
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Patent number: 6208828Abstract: The present invention provides a space-saving and compact high-operability image forming apparatus. The apparatus includes an original reading unit, a sheet supporting unit, an image forming unit and a sheet discharging unit. The original reading unit is adapted to hold an original placed on an original mount by a cover member, for reading an original image. The sheet supporting unit is placed under the original image reading unit, and supports a sheet on which an image is formed. The image forming unit is placed at the rear of the housing containing the original reading unit and the sheet supporting unit and is used to form an image on a sheet held by the sheet supporting unit. The sheet discharging unit discharges a sheet, on which an image has been formed by the image forming unit, towards and above the original reading unit.Type: GrantFiled: December 13, 1999Date of Patent: March 27, 2001Assignee: Canon Kabushiki KaishaInventors: Takashi Awai, Nobuo Matsuoka, Yasuhiro Matsumoto, Masahiko Yokota
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Patent number: 5748335Abstract: An image reading apparatus such as a color copying apparatus has a plurality of sensing CCD chips for converting an image of an object into an electrical signal, each sensing CCD chip having a plurality of sensing elements. The apparatus also has a circuit for converting the electrical signal into digital data. A first adjusting circuit is provided for conducting either an operation for obtaining level matching of the electrical signal converted by the sensing chips, or an operation for controlling the gain of the electrical signal converted by the sensing chips.Type: GrantFiled: June 5, 1995Date of Patent: May 5, 1998Assignee: Canon Kabushiki KaishaInventors: Toshio Honma, Nobuo Matsuoka, Shizuo Hasegawa, Yasumichi Suzuki, Hiroshi Itagaki, Kenji Sasahara
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Patent number: 5596427Abstract: An image reading apparatus such as a color copying apparatus has a plurality of sensing CCD chips for converting an image of an object into an electrical signal, each sensing CCD chip having a plurality of sensing elements. The apparatus also has a circuit for converting the electrical signal into digital data. A first adjusting circuit is provided for conducting either an operation for obtaining level matching of the electrical signal converted by the sensing chips, or an operation for controlling the gain of the electrical signal converted by the sensing chips.Type: GrantFiled: July 13, 1994Date of Patent: January 21, 1997Assignee: Canon Kabushiki KaishaInventors: Toshio Honma, Nobuo Matsuoka, Shizuo Hasegawa, Yasumichi Suzuki, Hiroshi Itagaki, Kenji Sasahara
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Patent number: 5185659Abstract: A color image reading apparatus includes reading circuitry for reading a color image and dot sequentially outputting a plurality of color component signals. Common amplifying circuitry is provided for sequentially amplifying the plurality of analog color component signals which are dot sequentially output from the reading circuitry. Common converting circuitry is provided for sequentially converting the plurality of color component signals, which are amplified by the common amplifying circuitry, into a plurality of digital color component signals. Separating circuitry is provided for separating the plurality of digital color component signals, which are converted by the common converting circuitry, into digital color component signals of each color. Finally, switching circuitry is provided for sequentially switching a gain of the amplifying circuitry in accordance with a color of the analog color signal to be amplified.Type: GrantFiled: July 16, 1991Date of Patent: February 9, 1993Assignee: Canon Kabushiki KaishaInventors: Hiroshi Itagaki, Nobuo Matsuoka
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Patent number: 5166784Abstract: A color original reading apparatus includes a filter having a long-wavelength invisible radiation absorption filter and a long-wavelength invisible radiation reflection filter, or includes a spectral distribution correction filter arranged in an optical path from an original illumination light source to a color image sensor via an original.Type: GrantFiled: December 14, 1990Date of Patent: November 24, 1992Assignee: Canon Kabushiki KaishaInventors: Kenichi Suda, Nobuo Matsuoka, Shizuo Hasegawa
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Patent number: 5121230Abstract: An image reading apparatus such as a color copying apparatus has a plurality of sensing CCD chips for converting an image of an object into an electrical signal, each sensing CCD chip having a plurality of sensing elements. The apparatus also has a circuit for converting the electrical signal into digital data. A first adjusting circuit is provided for conducting either an operation for obtaining level matching of the electrical signal converted by the sensing chips, or an operation for controlling the gain of the electrical signal converted by the sensing chips.Type: GrantFiled: January 14, 1988Date of Patent: June 9, 1992Assignee: Canon Kabushiki KaishaInventors: Toshio Honma, Nobuo Matsuoka, Shizuo Hasegawa, Yasumichi Suzuki, Hiroshi Itagaki, Kenji Sasahara
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Patent number: 5077605Abstract: A color image reading apparatus having a color sensor with plural sensor groups, the color sensor for separating an objective image into plural color components and for converting the plural color components into plural color component signals, and a shading corrector for performing shading correction for the plural color component signals. The shading corrector causes the plural sensor groups to substantially simultaneously read a reference plate and automatically corrects a shading correction state for each of the plural color component signals in accordance with data obtained from the plural sensor groups.Type: GrantFiled: July 30, 1990Date of Patent: December 31, 1991Assignee: Canon Kabushiki KaishaInventors: Yoshinori Ikeda, Tadashi Yoshida, Kimiyoshi Hayashi, Shunichi Abe, Nobuo Matsuoka, Mitsuo Akiyama, Yoshinobu Mita
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Patent number: 5038207Abstract: A color image reading apparatus includes reading circuitry for reading a color image and dot sequentially outputting a plurality of color component signals. Common amplifying circuitry is provided for sequentially amplifying the plurality of analog color component signals which are dot sequentially output from the reading circuitry. Common converting circuitry is provided for sequentially converting the plurality of color component signals, which are amplified by the common amplifying circuitry, into a plurality of digital color component signals. Separating circuitry is provided for separating the plurality of digital color component signals, which are converted by the common converting circuitry, into digital color component signals of each color. Finally, switching circuitry is provided for sequentially switching a gain of the amplifying circuitry in accordance with a color of the analog color signal to be amplified.Type: GrantFiled: August 29, 1989Date of Patent: August 6, 1991Assignee: Canon Kabushiki KaishaInventors: Hiroshi Itagaki, Nobuo Matsuoka
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Patent number: 4987484Abstract: A halftone image recording apparatus includes means for recording an image on a recording medium, inputting an image signal representative of an image which includes a plurality of density levels, generating a plurality of pulsed periodic signals having different widths of one period of the image signal, selecting at least one periodic signal with a preselected pulse width among a plurality of the periodic signals, combining the selected periodic signal with the image signal, and applying the combined signal to the recording means.Type: GrantFiled: May 22, 1989Date of Patent: January 22, 1991Assignee: Canon Kabushiki KaishaInventors: Yoshinori Ikeda, Tadashi Yoshida, Kimiyoshi Hayashi, Shunichi Abe, Nobuo Matsuoka, Mitsuo Akiyama, Yoshinobu Mita
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Color image reading apparatus with plural linear sensors which can read different lines of the image
Patent number: 4891690Abstract: A color image reading apparatus includes a plurality of linear sensors, each capable of generating plural analog color component signals. The sensors are arranged to read a line of the color image in a divided manner and such that adjacent ones of the linear sensors read mutually different lines of the color image. Also provided is a separator for separating the plural analog color component signals generated by the sensors into analog color component signals of each color, and a converter for converting the analog color component signals of each color into digital color component signals of each color, respectively. The apparatus further includes a device for forming plural continuous digital color component signals representing a line of the color image from the digital color component signals of each color converted by the converter.Type: GrantFiled: May 11, 1988Date of Patent: January 2, 1990Assignee: Canon Kabushiki KaishaInventors: Shizuo Hasegawa, Nobuo Matsuoka -
Patent number: 4862286Abstract: An image reading apparatus includes a plurality of linear sensors for reading an image of a document. Each linear sensor reads a different portion of a line of the document in a divided manner. A plurality of clamp circuits control black levels of signals generated by the plurality of linear sensors to be a black reference level. A plurality of multipliers control white levels of signals generated by the plurality of linear sensor means which are level-controlled by the clamp circuits so as to be a white reference level.Type: GrantFiled: November 12, 1987Date of Patent: August 29, 1989Assignee: Canon Kabushiki KaishaInventors: Kenichi Suda, Shizuo Hasegawa, Nobuo Matsuoka
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Patent number: 4774566Abstract: A color image processing apparatus has a CCD shift register for reading a color image in accordance with reference clock pulses, a pre-sample-hold circuit for performing color separation of serial color signals and producing parallel color signal in accordance with sample clock pulses, post-sample-hold circuits, and a matrix circuit for correcting the color signals. The CCD shift register, the pre-sample-hold circuit and the post-sample-hold circuits can be integrated as a line sensor. Serial color signals can be processed at high speed and at low cost.Type: GrantFiled: January 25, 1988Date of Patent: September 27, 1988Assignee: Canon Kabushiki KaishaInventors: Naoto Kawamura, Nobuo Matsuoka