Patents by Inventor Kazuo Shishido

Kazuo Shishido 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).

  • Patent number: 10431380
    Abstract: Provided is a biaxially stretched polypropylene film for capacitors having a thin thickness and having excellent initial voltage resistance and excellent long-term heat resistance and voltage resistance, and also provided is a metallized polypropylene film for capacitors. The polypropylene film for capacitors is obtained by biaxially stretching a polypropylene resin, the polypropylene film having a crystallite size of 122 ? or less as determined by the Scherrer's equation from the half width of the reflection peak from (040) plane of ?-crystal measured by a wide angle X-ray diffraction method, and the polypropylene film having a value of birefringence ?Nyz with respect to a thickness direction of 7.0×10?3 or more and 10.0×10?3 or less as measured by an optical birefringence measurement.
    Type: Grant
    Filed: September 30, 2014
    Date of Patent: October 1, 2019
    Assignee: OJI HOLDINGS CORPORATION
    Inventors: Masahiro Nakata, Kazuo Ikeda, Tadakazu Ishiwata, Akihiro Kakehi, Yoshinori Matsuo, Yuichi Shishido, Shigeo Murase
  • Patent number: 7308219
    Abstract: The invention aims to prevent an image deterioration resulting from a fixing belt rising in temperature too much, and prevent heat of the fixing belt from being transmitted to peripheral members around a fixing apparatus such as a photosensitive drum so as not to adversely effect the peripheral members. A fixing apparatus 5 has a fixing roller 510 and a fixing belt 531 that heat-fix an image on to a recording material P by a fixing nip W, partition walls 601 to 605 that surround the fixing belt 531 to thereby suppress the air naturally entering into around the fixing belt 531, and a cooling unit that cools the fixing belt 531 in a closed space 600 formed by the partition walls 601 to 605.
    Type: Grant
    Filed: October 14, 2005
    Date of Patent: December 11, 2007
    Assignee: Canon Kabushiki Kaisha
    Inventor: Kazuo Shishido
  • Publication number: 20060083536
    Abstract: The invention aims to prevent an image deterioration resulting from a fixing belt rising in temperature too much, and prevent heat of the fixing belt from being transmitted to peripheral members around a fixing apparatus such as a photosensitive drum so as not to adversely effect the peripheral members. A fixing apparatus 5 has a fixing roller 510 and a fixing belt 531 that heat-fix an image on to a recording material P by a fixing nip W, partition walls 601 to 605 that surround the fixing belt 531 to thereby suppress the air naturally entering into around the fixing belt 531, and a cooling unit that cools the fixing belt 531 in a closed space 600 formed by the partition walls 601 to 605.
    Type: Application
    Filed: October 14, 2005
    Publication date: April 20, 2006
    Applicant: CANON KABUSHIKI KAISHA
    Inventor: Kazuo Shishido
  • Patent number: 6892945
    Abstract: An image reading apparatus for reading a document has an image sensor unit, which is moved along a platen glass in a sub-scanning direction, mounting an LED, a light guide and a sensor. A white reference panel for use of shading correction is provided on the platen glass on the side thereof opposite the image sensor unit. Light shield plates are provided on the platen glass on the side facing the image sensor unit along both sides of the white reference panel.
    Type: Grant
    Filed: October 23, 2002
    Date of Patent: May 17, 2005
    Assignee: Canon Kabushiki Kaisha
    Inventor: Kazuo Shishido
  • Publication number: 20030081275
    Abstract: An image reading apparatus for reading a document has an image sensor unit, which is moved along a platen glass in a sub-scanning direction, mounting an LED, a light guide and a sensor. A white reference panel for use of shading correction is provided on the platen glass on the side thereof opposite the image sensor unit. Light shield plates are provided on the platen glass on the side facing the image sensor unit along both sides of the white reference panel.
    Type: Application
    Filed: October 23, 2002
    Publication date: May 1, 2003
    Inventor: Kazuo Shishido
  • Patent number: 6387688
    Abstract: This invention relates to a Coriolus hirsutus host cell transformed with a vector containing a basidiomycete-derived promoter region selected from the group consisting of basidiomycete-derived ras and priA gene promoter regions. This invention is particularly characterized in that the basidiomycete-derived promoter region is a Lentinus edodes-derived ras or priA gene promoter region or a Coriolus hirsutus-derived ras gene promoter region. This host cell can be utilized for the high productivity of lignin degrading enzymes.
    Type: Grant
    Filed: February 14, 2000
    Date of Patent: May 14, 2002
    Assignee: Oji Paper Co., Ltd.
    Inventors: Kazuo Shishido, Susumu Kajiwara, Akira Tsukamoto
  • Patent number: 6081688
    Abstract: A both-face automatic original feeding apparatus wherein a plurality of originals having images on their first and second surfaces are successively supplied from an original stacking portion to a predetermined position for reading an original, and each original is reversely rotated through a switch-back path after the first surface of the original passes through the predetermined position, thereby supplying the original to the predetermined position again to direct the second surface of the original to the predetermined position.
    Type: Grant
    Filed: September 8, 1997
    Date of Patent: June 27, 2000
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tamotsu Okada, Hiroyoshi Maruyama, Yasumi Yoshida, Masahiko Yashiro, Kazuo Shishido, Noriaki Koyanagi
  • Patent number: 5828928
    Abstract: An image bearing member, process device acting on the image bearing member, a first frame, a second frame lockable and separable with respect to the first frame, a locking body and a locking member lockable to the locking body, provided to separably interlock the first and second frames, and a recessed portion and a projection fittable into the recessed portion which are provided to separably interlock the first and second frames. With above construction it is possible to provide a process cartridge, an image forming system, and a method for assembling a cleaning device, which can be easily assembled and can sufficiently cope a large when the number of re-cycles.
    Type: Grant
    Filed: March 28, 1995
    Date of Patent: October 27, 1998
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yoshikazu Sasago, Kazumi Sekine, Tadayuki Tsuda, Isao Ikemoto, Kazushi Watanabe, Shinya Noda, Kazunori Kobayashi, Takeo Shoji, Kazuhiko Ishiwata, Kazuo Shishido, Kanji Yano, Hiroyuki Shirai, Makoto Tanaka, Shinichi Sasaki, Yoshiya Nomura, Toshiyuki Karakama
  • Patent number: 5726774
    Abstract: A document reading device for applying light to a document placed on platen glass so as to read an image formed on the document. The device is provided with a light-screen. The width of the light-screen can be changed according to the document size in such a way that it is also possible to change the amount of light which can pass through the light-screen from a light source to be applied to the platen glass. With this arrangement, a local temperature increase in the platen glass can be inhibited during sequential document-reading.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: March 10, 1998
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kazuo Shishido, Hiroyoshi Maruyama
  • Patent number: 5689774
    Abstract: The present invention is characterized by that a first frame for containing developer used with a developing operation, a second frame for supporting a developing means for developing a latent image formed on an image bearing member, and a third frame for supporting the image bearing member are made of the same material.
    Type: Grant
    Filed: June 27, 1996
    Date of Patent: November 18, 1997
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kazuo Shishido, Shinichi Sasaki, Isao Ikemoto, Masahiko Yashiro, Toshiyuki Karakama, Atsushi Numagami
  • Patent number: 5681036
    Abstract: A sheet feeding device can perform registration of a sheet with high precision even if the sheet is fed at high speed. The device includes a pair of active registration rollers, disposed at a side upstream from a reading unit in the sheet feeding direction, for correcting skew of the sheet, skew-amount detection sensors, disposed at a side downstream from the pair of active registration rollers in the sheet feeding direction, respective pairs of feeding rollers, disposed at a side upstream from the pairs of active registration rollers in the sheet feeding direction, and sheet detection sensors, disposed at a side upstream from the pairs of feeding rollers in the sheet feeding direction. Each of the pairs of feeding rollers includes a roller having a semispherical cross section at the driving side.
    Type: Grant
    Filed: October 4, 1995
    Date of Patent: October 28, 1997
    Assignee: Canon Kabushiki Kaisha
    Inventors: Shinichiro Wakahara, Yasumi Yoshida, Kazuo Shishido
  • Patent number: 5623328
    Abstract: A process cartridge includes a first frame in which a toner containing unit for containing toner used for a developing operation and a charger unit are mounted, and a second frame which can be engaged by and disengaged from the first frame, and in which an image bearing member, a developing unit and cleaning unit are mounted. With this arrangement, the assembling ability and disassembling ability are improved remarkably, and the process cartridge is suitable for the re-cycling to contribute to the protection of the earth-environment.
    Type: Grant
    Filed: December 12, 1994
    Date of Patent: April 22, 1997
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tadayuki Tsuda, Kazumi Sekine, Isao Ikemoto, Kazushi Watanabe, Yoshikazu Sasago, Shinya Noda, Kazunori Kobayashi, Kazuhiko Ishiwata, Kazuo Shishido, Kanji Yano, Hiroyuki Shirai, Makoto Tanaka, Shinichi Sasaki, Yoshiya Nomura, Toshiyuki Karakama
  • Patent number: 5594531
    Abstract: A cylindrical member such as a developing roller or photosensitive drum has a sleeve, a flange at the end portion of the sleeve, and a space-controlling member provided at the end portion of the sleeve. The flange is press-fitted into the end portion of the sleeve to be bonded to the sleeve. A space-controlling portion of the space-controlling member is located further from the end of the sleeve than the press-fitted portion of the flange.
    Type: Grant
    Filed: December 15, 1995
    Date of Patent: January 14, 1997
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kazuo Shishido, Shinichi Sasaki, Koji Miura
  • Patent number: 5585889
    Abstract: The present invention provides a process cartridge mountable to an image forming apparatus. The cartridge includes an image bearing member, a processor for acting on the image bearing member, a driving force receiver provided at one end of the image bearing member, a protection member shiftable between a protection position to protect the image bearing member and a retract position, a first projection provided on the side of a toner containing portion, a guide member protruded in the direction perpendicular to the moving direction of the image bearing member, a second projection protruded in the moving direction of the image bearing member, and a third projection protruded from the protection member.
    Type: Grant
    Filed: June 29, 1993
    Date of Patent: December 17, 1996
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kazuo Shishido, Hiroo Kobayashi, Akira Higeta, Hironobu Isobe, Minoru Sato, Shigeo Miyabe, Koji Miura
  • Patent number: 5579085
    Abstract: An image forming apparatus is provided with a cylinder for carrying developing agent, and with a flange fitted into an end portion of the cylinder for supporting the cylinder. A fitting portion of the flange has a diameter larger than an inner diameter of the cylinder. The flange is mounted to the cylinder by press-fitting and has a guide smaller than the inner diameter of the cylinder at an end of the fitting portion for guiding the fitting. A spacer is located at a more central side of the cylinder than the fitting portion of the flange press-fitted into the cylinder.
    Type: Grant
    Filed: July 11, 1995
    Date of Patent: November 26, 1996
    Assignee: Canon Kabushiki Kaisha
    Inventors: Shigeo Miyabe, Hiroo Kobayashi, Kazuo Shishido, Koji Miura
  • Patent number: 5543898
    Abstract: The present invention is characterized by that a first frame for containing developer used with a developing operation, a second frame for supporting a developing means for developing a latent image formed on an image bearing member, and a third frame for supporting the image bearing member are made of the same material.
    Type: Grant
    Filed: September 15, 1994
    Date of Patent: August 6, 1996
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kazuo Shishido, Shinichi Sasaki, Isao Ikemoto, Masahiko Yashiro, Toshiyuki Karakama, Atsushi Numagami
  • Patent number: 5528341
    Abstract: A process cartridge includes a rotatable rotary member having a plurality of bearing attachment portions to which bearings are attachable. The plurality of bearing attachment portions are provided on the rotary member with different diameters. A method of reusing a rotation member that is supported at one of a plurality of coaxial rotation surfaces having different diameters includes detaching one of a plurality of bearing members that supports the rotation member at the one of the plurality of coaxial rotation surfaces. Another of the plurality of bearing members is then attached at a corresponding other of the plurality of coaxial rotation surfaces that has a different diameter than the one of the plurality of coaxial rotation surfaces.
    Type: Grant
    Filed: February 17, 1994
    Date of Patent: June 18, 1996
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kazuo Shishido, Hiroaki Miyake, Yoshiya Nomura, Kenji Matsuda, Minoru Sato
  • Patent number: 5452056
    Abstract: In order to prevent the eccentricity of a rotary shaft for rotatably supporting an image bearing member used with an image forming apparatus when the image bearing member is rotated, a projection is provided on an outer peripheral surface of the rotary shaft fitted into a fitting hole formed in a casing for securing the rotary shaft.
    Type: Grant
    Filed: March 21, 1994
    Date of Patent: September 19, 1995
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yoshiya Nomura, Hiroo Kobayashi, Akira Higeta, Hironobu Isobe, Kazuo Shishido, Minoru Sato, Shigeo Miyabe, Koji Miura
  • Patent number: 5331373
    Abstract: In order to prevent the eccentricity of a rotary shaft for rotatably supporting an image bearing member used with an image forming apparatus when the image bearing member is rotated, a projection is provided on an outer peripheral surface of the rotary shaft fitted into a fitting hole formed in a casing for securing the rotary shaft.
    Type: Grant
    Filed: March 11, 1993
    Date of Patent: July 19, 1994
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yoshiya Nomura, Hiroo Kobayashi, Akira Higeta, Hironobu Isobe, Kazuo Shishido, Minoru Sato, Shigeo Miyabe, Koji Miura
  • Patent number: 5283619
    Abstract: A developing apparatus for developing an electrostatic latent image includes a fixed electrode for receiving a developing bias voltage; a rotatable and electrically conductive sleeve for carrying developer to a developing zone to supply developer to the electrostatic latent image; a flange fixed to an end of the sleeve, the flange including an electrode supporting portion; and an elastic electrode fixedly supported on the flange, the elastic electrode including a first portion engaged with the electrode supporting portion, a second portion press-contacted to the sleeve, and a third portion elastically and slidably press-contacted to the fixed electrode.
    Type: Grant
    Filed: December 10, 1992
    Date of Patent: February 1, 1994
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yoshiya Nomura, Hironobu Isobe, Kazuo Shishido, Kouji Miura