Patents by Inventor Masaaki Takahashi

Masaaki Takahashi 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).

  • Publication number: 20100221034
    Abstract: A cleaning device includes: a first scraping member that scrapes off a developer on a surface of a moving body that circularly moves; a second scraping member that is disposed downstream from the first scraping member in a moving direction of the moving body, and that scrapes off residuals remaining on the surface of the moving body; a container having: a first housing portion that houses the developer scraped off by the first scraping member, as a recovered material; and a second housing portion that houses the residuals scraped off by the second scraping member; a discharge port that is disposed in the first housing portion, wherein the developer in the first housing portion is discharged to an outside of the container through the discharge port; and a conveying member that conveys the recovered material housed in the first housing portion to the discharge port.
    Type: Application
    Filed: September 4, 2009
    Publication date: September 2, 2010
    Inventors: Tadakazu EDURE, Tsutomu KOMIYAMA, Masaaki TAKAHASHI, Taku FUKUHARA
  • Publication number: 20100196032
    Abstract: An image forming apparatus includes: an image carrier that carries a developed image that has been developed on a surface thereof using a developer; a transfer member that transfers the developed image from the image carrier to a belt-shaped member; an electric power supply unit that supplies electric power to the transfer member; a measurement unit that measures a combined resistance value of the image carrier, the belt-shaped member, and the transfer member; and a controller that controls the electric power supply unit. The controller controls the electric power supply unit such that the electric power supplied to the transfer member is changed from a predetermined first supply value to a second supply value, the second supply value being larger than the first supply value, when the combined resistance value measured by the measurement unit is lower than a predetermined combined resistance value.
    Type: Application
    Filed: September 9, 2009
    Publication date: August 5, 2010
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Masaaki Takahashi, Taku Fukuhara
  • Publication number: 20100189479
    Abstract: An electrophotographic fixing member is provided, which is excellent in toner releasability and hard to change in rubber elasticity of a silicone rubber elastic layer. The fixing member is laminated with a substrate, a cured silicone rubber layer, a cured silicone rubber adhesive layer and a fluorine resin layer, wherein when infrared light absorption strength ratios (1020 cm?1/1260 cm?1) at 1020 cm?1 and 1260 cm?1 determined by sampling the portions of 5 ?m and 20 ?m from the outer surface of the cured silicone rubber layer are taken as ?(5) and ?(20), respectively, a relationship of ?(5) and ?(20) satisfies 1.03??(5)/?(20)?1.30 and ?(20) is 0.8 or more and 1.2 or less.
    Type: Application
    Filed: April 5, 2010
    Publication date: July 29, 2010
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: KATSUHISA MATSUNAKA, KAZUO KISHINO, MASAAKI TAKAHASHI
  • Publication number: 20100150588
    Abstract: A primary transfer device includes a primary transfer roll that is capable of being engaged with and disengaged from an intermediate transfer member to which a developer image is primarily transferred; and a setting-changing unit that changes a setting of pressure of the primary transfer roll to the intermediate transfer member in accordance with kind of a recording medium to which the developer image is secondarily transferred, wherein the setting-changing unit has an irregular medium transfer mode for a case where the recording medium to which the developer image is a recording medium having irregularities formed on a surface thereof, and an ordinary transfer mode for a case where the recording medium is a recording medium other than the recording medium having the irregularities, wherein a pressure set in the irregular medium transfer mode is smaller than that set in the ordinary transfer mode.
    Type: Application
    Filed: September 11, 2009
    Publication date: June 17, 2010
    Inventors: Kiyotoshi Kaneyama, Kazutoshi Sugitani, Masaaki Takahashi, Tadakazu Edure, Katsunori Kikuchihara
  • Patent number: 7725068
    Abstract: An electrophotographic fixing member is provided, which is excellent in toner releasability and hard to change in rubber elasticity of a silicone rubber elastic layer. The fixing member is laminated with a substrate, a cured silicone rubber layer, a cured silicone rubber adhesive layer and a fluorine resin layer, wherein when infrared light absorption strength ratios (1020 cm?1/1260 cm?1) at 1020 cm?1 and 1260 cm?1 determined by sampling the portions of 5 ?m and 20 ?m from the outer surface of the cured silicone rubber layer are taken as ?(5) and ?(20), respectively, a relationship of ?(5) and ?(20) satisfies 1.03??(5)/?(20)?1.30 and ?(20) is 0.8 or more and 1.2 or less.
    Type: Grant
    Filed: April 14, 2008
    Date of Patent: May 25, 2010
    Assignee: Canon Kabushiki Kaisha
    Inventors: Katsuhisa Matsunaka, Kazuo Kishino, Masaaki Takahashi
  • Patent number: 7700171
    Abstract: A tube-coated belt suited for heat fixation of color images and the like, downsizing and high-speed operation; and an organopolysiloxane adhesive composition of high adhesion durability suited for the manufacture of tube-coated belt, wherein the tube-coated belt has a resin tube on a silicone-rubber elastic layer through an adhesive layer, wherein the adhesive layer is composed of a cured product of an organopolysiloxane adhesive composition containing a specific organopolysiloxane component.
    Type: Grant
    Filed: September 10, 2004
    Date of Patent: April 20, 2010
    Assignee: Canon Kabushiki Kaisha
    Inventors: Katsuhisa Matsunaka, Tomohira Kasumi, Kazuo Kishino, Masaaki Takahashi
  • Publication number: 20100052242
    Abstract: A warpage leveling unit includes a surface roughening member that is provided to oppose to a side end portion of an image carrier which has an endless-belt-shape, is entrained around a plurality of rollers, and carries an image on a surface of the image carrier, wherein the surface roughening member comes into contact with a surface of the side end portion which is warped.
    Type: Application
    Filed: January 28, 2009
    Publication date: March 4, 2010
    Inventors: Katsunori Kikuchihara, Takashi Kawabata, Masaaki Takahashi, Nobuo Hyakutake, Taku Fukuhara
  • Publication number: 20100021974
    Abstract: It is an object of the present invention to provide a method for preparing a cRNA, the method being capable of preventing decrease in cRNA yield. In order to achieve the object, the method comprises (a) a step of performing a reaction for preparing a single-stranded cDNA by treating with RNaseH an mRNA-cDNA hybrid prepared by reverse transcription and a reaction for preparing a double-stranded cDNA from the single-stranded cDNA and then inactivating the RNaseH contained in the resultant reaction solution; (b) a step of contacting the reaction solution with a solid support having a cationic group on its surface under pH conditions where the cationic group is positively charged; (c) a step of separating the solid support from the reaction solution; (d) a step of eluting the double-stranded cDNA from the solid support; and (e) a step of performing a transcription reaction for preparing a cRNA from the double-stranded cDNA.
    Type: Application
    Filed: December 5, 2006
    Publication date: January 28, 2010
    Inventors: Hideji Tajima, Masaaki Takahashi, Tomoyuki Hatano, Hisahiro Tajima
  • Publication number: 20090294083
    Abstract: The present invention aims at providing. a recycling usable regenerated particle aggregate; a method for allowing stable manufacture of the regenerated particle aggregate; a paper containing the regenerated particle aggregate, the paper exhibiting excellent property in case of newsprint papers, printing papers, book printing papers, and electrophotographic printing papers that use the regenerated particle aggregate, and especially a neutralized paper containing the regenerated particle aggregate; and a coated paper for printing having especially excellent printability, using the regenerated particle aggregate. Problems will be solved by.
    Type: Application
    Filed: October 6, 2006
    Publication date: December 3, 2009
    Applicant: DAIO PAPER CORPORATION
    Inventors: Hisao Nanba, Masaaki Takahashi, Junji Murata, Hiroyuki Osumi, Toshiaki Kawanabe, Akira Takeda
  • Patent number: 7606647
    Abstract: A communication control device for passenger protection device includes a satellite sensor unit and an ECU being connected to the satellite sensor unit via a communication line. The satellite sensor unit includes a satellite sensor main body, which detects an impact against a vehicle, and a controller, which obtains a measurement from a signal detected by the satellite sensor main body. The ECU includes a main controller which determines deployment of a passenger protection device. The controller of the satellite sensor unit is adapted to compares the measurement or a calculated value which is calculated based on the measurement with a preset reference value range, and, when the measurement or the calculated value is within the reference value range, the controller transmits a communication from the satellite sensor unit to the ECU at an interval which is longer than a predetermined time interval.
    Type: Grant
    Filed: September 8, 2005
    Date of Patent: October 20, 2009
    Assignee: Keihin Corporation
    Inventors: Hiroshi Seikai, Syoji Narita, Hideaki Ozawa, Masaaki Takahashi
  • Publication number: 20090116886
    Abstract: A pressure member contacts with a heating member 23 to form a nip part N where a recording material P is heated and pinched-conveyed, and includes a first elastic layer 24a and a second elastic layer 24b having higher thermal conductivity than that of the first elastic layer. An elastic layer is formed in combination of the first elastic layer and the second elastic layer so that the thickness of the second elastic layer at the end portion is thicker than the thickness of the second elastic layer at the center portion in a longitudinal direction perpendicular to a recording material conveyance direction. Accordingly, in the pressure member contacting with the heating member to form the nip part, it is possible to reduce a difference between a center nip width and an end-portion nip width of the nip part.
    Type: Application
    Filed: October 28, 2008
    Publication date: May 7, 2009
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Hiroaki Sakai, Norio Hashimoto, Yuko Sekihara, Kazuo Kishino, Masaaki Takahashi, Katsuhisa Matsunaka, Atsushi Iwasaki, Hiroyuki Sakakibara
  • Publication number: 20090003902
    Abstract: A pressure roller forming a nip portion for contacting to a heating member to pinch and convey and heat recording material includes: a core metal and an elastic layer containing filler, the elastic layer containing the filler including thermal conductive filler with length of not less than 0.05 mm and not more than 1 mm and with thermal conductivity ?f in the longitudinal direction in a range of ?f?500 W/(m·k) being dispersed in not less than 5 vol % and not more than 40 vol % and the elastic layer containing the filler providing thermal conductivity ?y in the longitudinal direction perpendicular to a recording material conveyance direction being ?y?2.5 W/(m·k) and ASKER-C hardness of the filler being not more than 60 degrees, wherein a solid rubber elastic layer with thermal conductivity ? in a thickness direction being not less than 0.16 W/(m·k) and not more than 0.
    Type: Application
    Filed: June 24, 2008
    Publication date: January 1, 2009
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Hiroyuki Sakakibara, Norio Hashimoto, Hiroaki Sakai, Atsushi Iwasaki, Yuko Sekihara, Kazuo Kishino, Masaaki Takahashi, Katsuhisa Matsunaka
  • Publication number: 20080304856
    Abstract: An image forming apparatus includes: an image forming device; an intermediate transfer member; a secondary transferring device; a first cleaning member; a second cleaning member; a contacting/separating device; a release-agent applying device; and a controlling unit.
    Type: Application
    Filed: March 17, 2008
    Publication date: December 11, 2008
    Applicant: FUJI XEROX CO., LTD.
    Inventor: Masaaki TAKAHASHI
  • Patent number: 7457202
    Abstract: A date display mechanism has a first driving wheel that rotationally drives a first date indicator for displaying places of units and a second driving wheel that rotationally drives a second date indicator for displaying places of tens. The second driving wheel causes the second driving wheel to rotate by one tooth when the date shifts from a 9th day to a l0th day, from a 19th day to a 20th day, and from a 29th day to a 30th day. A program wheel performs one revolution in 31 days and controls rotation of the first date indicator and the second date indicator so that from the 1st day to the 31st day, the first date indicator is rotated by one tooth every day, and so that when the date shifts from the 31st day to 1st day, the first date indicator is retained to a position of the 31st day and the second date indicator is rotated by one tooth to thereby cause the 1st day to be displayed by the date display window.
    Type: Grant
    Filed: June 17, 2005
    Date of Patent: November 25, 2008
    Assignee: Seiko Instruments Inc.
    Inventor: Masaaki Takahashi
  • Patent number: 7457577
    Abstract: In a heat fixing member which is a seamless type cylindrical heat fixing member having an elastic layer, the elastic layer is mixed with carbon fibers, and the elastic layer has a thermal conductivity of 1.0 W/(m·K) or more in the thickness direction thereof. A heat fixing member is provided which is more improved in the thermal conductivity in the thickness direction, can efficiently supply heat to the heating object (recording medium) at the time of high-speed printing, can give fixed images having a high glossiness in virtue of the elastic layer, which has secured a sufficient flexibility. A high-performance heat fixing assembly is also provided which can conduct sufficient heat to toner images even if the dwell time is shortened.
    Type: Grant
    Filed: February 21, 2006
    Date of Patent: November 25, 2008
    Assignee: Canon Kabushiki Kaisha
    Inventors: Katsuhisa Matsunaka, Kazuo Kishino, Yoko Kuruma, Masaaki Takahashi
  • Publication number: 20080219729
    Abstract: In a heat fixing member which is a seamless type cylindrical heat fixing member having an elastic layer, the elastic layer is mixed with carbon fibers, and the elastic layer has a thermal conductivity of 1.0 W/(m·K) or more in the thickness direction thereof. A heat fixing member is provided which is more improved in the thermal conductivity in the thickness direction, can efficiently supply heat to the heating object (recording medium) at the time of high-speed printing, can give fixed images having a high glossiness in virtue of the elastic layer, which has secured a sufficient flexibility. A high-performance heat fixing assembly is also provided which can conduct sufficient heat to toner images even if the dwell time is shortened.
    Type: Application
    Filed: May 20, 2008
    Publication date: September 11, 2008
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Katsuhisa MATSUNAKA, Kazuo KISHINO, Yoko KURUMA, Masaaki TAKAHASHI
  • Publication number: 20080200575
    Abstract: The present invention provides a fixing medium suited for fixing biological substances, a medium processing method and a continuous medium processing device. The continuous medium processing device of this invention comprises: a feeding mechanism to run a continuous medium longitudinally along a predetermined travel path; one or more containers installed along the travel path and containing liquids which are to be brought into contact with the continuous medium; gaps provided in each of the containers on the travel path so that the continuous medium can run through the containers; and a liquid leakage prevention unit provided to the containers to prevent possible leakage of the liquids from the gaps.
    Type: Application
    Filed: March 30, 2005
    Publication date: August 21, 2008
    Applicant: UNIVERSAL BIO RESEARCH CO., LTD.
    Inventors: Hideji Tajima, Tomoyuki Hatano, Lingzhil Xiao, Masaaki Takahashi
  • Publication number: 20080199233
    Abstract: An electrophotographic fixing member is provided, which is excellent in toner releasability and hard to change in rubber elasticity of a silicone rubber elastic layer. The fixing member is laminated with a substrate, a cured silicone rubber layer, a cured silicone rubber adhesive layer and a fluorine resin layer, wherein when infrared light absorption strength ratios (1020 cm?1/1260 cm?1) at 1020 cm?1 and 1260 cm?1 determined by sampling the portions of 5 ?m and 20 ?m from the outer surface of the cured silicone rubber layer are taken as ?(5) and ?(20), respectively, a relationship of ?(5) and ?(20) satisfies 1.03??(5)/?(20)?1.30 and ?(20) is 0.8 or more and 1.2 or less.
    Type: Application
    Filed: April 14, 2008
    Publication date: August 21, 2008
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Katsuhisa Matsunaka, Kazuo Kishino, Masaaki Takahashi
  • Patent number: 7177585
    Abstract: An image forming apparatus registers both sides of sheets with great precision in a sheet transportation direction in both-side image formation. The image forming apparatus includes: photoconductive drums holding toner images; an intermediate transfer belt temporarily holding the toner images; a secondary transfer roll that transfers the toner images to a sheet in a transfer unit; a registration roll rotating toward the transfer unit being in sheet feeding timing; a fixing unit fixing the toner images transferred to a first side of the sheet; reversion transportation paths reversing the sheet and again transporting the sheet to the transfer unit; a first sensor detecting the image of the first side of the sheet; and a second sensor that detects the toner images held in the intermediate transfer belt.
    Type: Grant
    Filed: October 14, 2003
    Date of Patent: February 13, 2007
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Satoshi Matsuzaka, Keiji Yamamoto, Satoru Torimaru, Takashi Kawabata, Masaaki Takahashi, Yoko Miyamoto, Kiyotoshi Kaneyama, Katsunori Kikuchihara
  • Publication number: 20060188300
    Abstract: In a heat fixing member which is a seamless type cylindrical heat fixing member having an elastic layer, the elastic layer is mixed with carbon fibers, and the elastic layer has a thermal conductivity of 1.0 W/(m·K) or more in the thickness direction thereof. A heat fixing member is provided which is more improved in the thermal conductivity in the thickness direction, can efficiently supply heat to the heating object (recording medium) at the time of high-speed printing, can give fixed images having a high glossiness in virtue of the elastic layer, which has secured a sufficient flexibility. A high-performance heat fixing assembly is also provided which can conduct sufficient heat to toner images even if the dwell time is shortened.
    Type: Application
    Filed: February 21, 2006
    Publication date: August 24, 2006
    Applicant: Canon Kabushiki Kaisha
    Inventors: Katsuhisa Matsunaka, Kazuo Kishino, Yoko Kuruma, Masaaki Takahashi