Patents by Inventor Kunio Hasegawa

Kunio Hasegawa 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: 20100034560
    Abstract: The present invention provides an image-bearing member protecting agent containing a fatty acid metal salt, and boron nitride, wherein the boron nitride has an oxygen content of 0.4% by mass to 4.5% by mass, and wherein the image-bearing member protecting agent is applied or attached onto a surface of an image bearing member.
    Type: Application
    Filed: August 5, 2009
    Publication date: February 11, 2010
    Inventors: Shinya Tanaka, Hiroshi Nakai, Kunio Hasegawa
  • Publication number: 20090311014
    Abstract: To provide an image-bearing member protecting agent used in an image forming method which includes applying or attaching the agent onto a surface of an image bearing member, the agent including: a fatty acid metal salt and boron nitride, wherein the boron nitride includes secondary particles composed of aggregated fine crystals, and wherein the crystals have an average primary particle diameter of 0.1 ?m to 1.0 ?m and an average secondary particle diameter of 3.0 ?m to 14.0 ?m.
    Type: Application
    Filed: June 16, 2009
    Publication date: December 17, 2009
    Inventors: Shinya Tanaka, Hiroshi Nakai, Kunio Hasegawa
  • Publication number: 20090304423
    Abstract: An image forming apparatus including a charging unit configured to charge a surface of an image bearing member utilizing discharge generated by applying a voltage containing an alternating current component to a charging member disposed in contact with or close to the image bearing member, so that a latent electrostatic image is formed on the image bearing member; a developing unit configured to develop the latent electrostatic image formed on the image bearing member using a toner; a cleaning unit configured to clean the surface of the image bearing member using a blade; a protecting agent applying unit configured to rub and scrape a protecting agent by a brush roller and apply the protecting agent to the surface of the image bearing member; and a protecting agent charging member configured to charge the protecting agent, the member being disposed between the protecting agent applying unit and the charging unit.
    Type: Application
    Filed: May 20, 2009
    Publication date: December 10, 2009
    Inventors: Naoyuki Ozaki, Hiroshi Nakai, Masahide Yamashita, Masato Iio, Shinya Tanaka, Kunio Hasegawa
  • Publication number: 20090290920
    Abstract: An image forming apparatus including an image bearing member that bears a latent electrostatic image on the surface thereof, a charging device that uniformly charges the surface of the image bearing member, an irradiation device that irradiates the surface of the image bearing member to form the latent electrostatic image thereon, a development device that develops the latent electrostatic image on the surface of the image bearing member with toner to form a toner image thereon, a transfer device that transfers the toner image to a transfer body, a cleaning device including a cleaning blade that removes residual toner remaining on the surface of the image bearing member with the cleaning blade, a protective agent application device that applies a protective agent containing zinc stearate and zinc palmitate to the surface of the image bearing member, wherein the ratio of the zinc stearate and the zinc palmitate is from 66:34 to 40:60 by weight.
    Type: Application
    Filed: May 22, 2009
    Publication date: November 26, 2009
    Applicant: RICOH COMPANY, LTD.
    Inventors: Kumiko Hatakeyama, Toshiyuki Kabata, Kunio Hasegawa, Masahide Yamashita
  • Publication number: 20090290919
    Abstract: To provide an image-bearing member protecting agent used in an image forming method which includes applying or attaching the agent onto a surface of an image bearing member, the agent including: a fatty acid metal salt (A), and an inorganic lubricant (B), wherein the inorganic lubricant (B) has an average particle diameter of 0.1 ?m to 14 ?m.
    Type: Application
    Filed: May 13, 2009
    Publication date: November 26, 2009
    Inventors: Shinya Tanaka, Hiroshi Nakai, Masahide Yamashita, Masato Iio, Kunio Hasegawa
  • Publication number: 20090285613
    Abstract: To provide an image-bearing member protecting agent used for forming a protective layer on a surface of an image bearing member, the agent including: a compressed powder body formed by pressurizing a powder containing at least a fatty acid metal salt (A) and an inorganic lubricant (B), wherein a ratio Db/Da of an average particle diameter Db of the inorganic lubricant (B) to an average particle diameter Da of the fatty acid metal salt (A) satisfies 0<Db/Da?0.40.
    Type: Application
    Filed: May 19, 2009
    Publication date: November 19, 2009
    Inventors: Hiroshi Nakai, Masahide Yamashita, Masato Iio, Kunio Hasegawa, Shinya Tanaka
  • Publication number: 20090279930
    Abstract: A protective material block including a metal soap, wherein the surface of the protective material block has an X-ray diffraction pattern wherein a ratio (P2/P1) of a maximum peak height (P2) on a surface separation of from 3.6 to 5.0 ? to a maximum peak height (P1) on a surface separation of from 11 to 16 ? not greater than 0.5.
    Type: Application
    Filed: May 5, 2009
    Publication date: November 12, 2009
    Inventors: Toshiyuki Kabata, Kumiko Hatakeyama, Kunio Hasegawa, Shinya Tanaka, Masahide Yamashita, Masato Iio, Hiroshi Nakai
  • Publication number: 20090196665
    Abstract: A protective agent for an image bearing member of an image forming apparatus. The protective agent is applied onto a surface of the image bearing member and includes a hydrophobic organic compound (A), an inorganic fine particle (B), and an inorganic lubricant (C).
    Type: Application
    Filed: February 3, 2009
    Publication date: August 6, 2009
    Inventors: Shinya Tanaka, Hiroshi Nakai, Masato Ilo, Masahide Yamashita, Kunio Hasegawa, Naoyuki Ozaki
  • Patent number: 7539599
    Abstract: Abnormality diagnosing method in which a highly reliable abnormality diagnosis of an image forming apparatus can be initiated immediately following the delivery of the image forming apparatus to a user.
    Type: Grant
    Filed: February 11, 2005
    Date of Patent: May 26, 2009
    Assignee: Ricoh Company, Ltd.
    Inventors: Kunio Hasegawa, Yasuhiko Saka, Kohsuke Tsunashima, Mitsuo Hasebe, Shigeru Mita
  • Publication number: 20060220479
    Abstract: A holding frame is configured to include a substantially annular frame main body made of an electromagnetic shielding material in which a resolver stator is installed, a flange portion on which bolt mounting holes are provided in such a manner as to face to communicate with bolt mounting holes on a cylinder block, and an extending portion which extends radially outwardly from the frame main body in such a manner as to follow a laying path of harnesses and on which a bolt mounting hole is provided. The extending portion of the holding frame is disposed in such a manner as to be interposed between the harnesses and a connector portion, and stator windings of a motor in such a state that an internal combustion engine and the motor are direct connected to each other in series, so as to electromagnetically shield the harnesses and the connector portion when the stator windings are energized.
    Type: Application
    Filed: March 30, 2006
    Publication date: October 5, 2006
    Inventor: Kunio Hasegawa
  • Patent number: 7079379
    Abstract: A cooling device for a high voltage electrical unit for a motor of a vehicle, includes: an inverter for controlling the motor that drives the vehicle; an electrical energy storing device for supplying electrical energy to the motor via the inverter; a downverter for decreasing source voltage of the electrical energy storing device, the downverter, the inverter, and the electrical energy storing device disposed under a seat of the vehicle in a concentrated manner; a fan, disposed under the seat, for moving cooling air to the electrical energy storing device and the inverter; an air inlet disposed under the seat and at an end of the seat as viewed in a width direction of the vehicle; and an air outlet disposed under the seat and at the other end of the seat as viewed in a width direction of the vehicle.
    Type: Grant
    Filed: November 23, 2004
    Date of Patent: July 18, 2006
    Assignee: Honda Motor Co., Ltd.
    Inventors: Hiroo Yamaguchi, Hiroshi Ohtsuka, Osamu Hasegawa, Toshiyuki Matsuoka, Koshiro Fuchibe, Kunio Hasegawa, Hiromitsu Sato
  • Patent number: 7028648
    Abstract: A multicylinder internal combustion engine is provided with a plurality of cylinders sharing a single crankshaft. The combustion characteristics in the respective cylinders is improved by taking out part of combustion (expansion) gas produced in one of the cylinders at an earlier stage of the explosion (expansion) stroke, and then introducing the gas into another one of the cylinders in the suction or compression stroke.
    Type: Grant
    Filed: November 26, 2001
    Date of Patent: April 18, 2006
    Assignee: Daihatsu Motor Co., Ltd.
    Inventors: Kunio Hasegawa, Eiji Mishima, Toshihiro Imanishi, Kazunori Nishikawa, Takeshi Serizawa, Yoshiki Morinaga
  • Publication number: 20050193027
    Abstract: Abnormality diagnosing method in which a highly reliable abnormality diagnosis of an image forming apparatus can be initiated immediately following the delivery of the image forming apparatus to a user. A plurality of sets of data of a plurality of types of information related to the condition of an image forming apparatus are acquired for a plurality of electronic devices of the same type comprising the image forming apparatus that serves as the subject for appraisal during operation tests following the manufacture of said image forming apparatus. A reference data group containing all of the plurality of sets of data acquired during the operation tests on the plurality of image forming apparatuses is employed as an initial reference data group for determining an index value calculation equation for calculating a condition appraisal index value.
    Type: Application
    Filed: February 11, 2005
    Publication date: September 1, 2005
    Inventors: Kunio Hasegawa, Yasuhiko Saka, Kohsuke Tsunashima, Mitsuo Hasebe, Shigeru Mita
  • Publication number: 20050111167
    Abstract: A cooling device for a high voltage electrical unit for a motor of a vehicle, includes: an inverter for controlling the motor that drives the vehicle; an electrical energy storing device for supplying electrical energy to the motor via the inverter; a downverter for decreasing source voltage of the electrical energy storing device, the downverter, the inverter, and the electrical energy storing device disposed under a seat of the vehicle in a concentrated manner; a fan, disposed under the seat, for moving cooling air to the electrical energy storing device and the inverter; an air inlet disposed under the seat and at an end of the seat as viewed in a width direction of the vehicle; and an air outlet disposed under the seat and at the other end of the seat as viewed in a width direction of the vehicle.
    Type: Application
    Filed: November 23, 2004
    Publication date: May 26, 2005
    Inventors: Hiroo Yamaguchi, Hiroshi Ohtsuka, Osamu Hasegawa, Toshiyuki Matsuoka, Koshiro Fuchibe, Kunio Hasegawa, Hiromitsu Sato
  • Publication number: 20040123820
    Abstract: A multicylinder internal combustion engine is provided with a plurality of cylinders sharing a single crankshaft. The combustion characteristics in the respective cylinders is improved by taking out part of combustion (expansion) gas produced in one of the cylinders at an earlier stage of the explosion (expansion) stroke, and then introducing the gas into another one of the cylinders in the suction or compression stroke.
    Type: Application
    Filed: October 8, 2003
    Publication date: July 1, 2004
    Inventors: Kunio Hasegawa, Eiji Mishima, Toshihiro Imanishi, Kazunori Nishikawa, Takeshi Serizawa, Yoshiki Morinaga
  • Patent number: 5414356
    Abstract: A fluxmeter includes an application unit for applying a magnetic field, a superconducting quantum interference element and a flux transmitting circuit. The flux transmitting circuit includes a pickup coil formed of a superconducting print coil and a core for the pickup coil. The core is formed of a soft magnetic material. The core serves to suppress the leakage of magnetic flux to magnetically couple the pickup coil and the superconducting quantum interference element efficiently to improve the sensitivity and resolution of the fluxmeter. The pickup coil may be manufactured by photolithography, sputtering, laser beam deposition, MBE deposition, MOCVD or spray pyrolysis.
    Type: Grant
    Filed: July 30, 1991
    Date of Patent: May 9, 1995
    Assignee: Hitachi, Ltd.
    Inventors: Toshihiko Yoshimura, Tasuku Shimizu, Yuichi Ishikawa, Masahiro Otaka, Yuko Koguchi, Kunio Enomoto, Kunio Hasegawa, Makoto Hayashi, Kazuo Takaku
  • Patent number: 5331278
    Abstract: A non-destructive inspection apparatus includes a magnetic field applying device and a magnetic sensor. The magnetic field applying device is adapted to apply DC and AC magnetic fields to an object to be inspected. Degradation/damage of the object is detected by measuring a magnetic characteristic of the object in a state in which the DC and AC magnetic fields are applied. Also, a non-destructive inspection apparatus includes as a magnetic sensor a plurality of pickup coils and a SQUID(s) connected to the pickup coils and decides the form of a defect of an object to be inspected by producing a difference between outputs of the pickup coils or SQUIDs.
    Type: Grant
    Filed: September 11, 1991
    Date of Patent: July 19, 1994
    Assignee: Hitachi, Ltd.
    Inventors: Stephen Evanson, Satoshi Kanno, Masahiro Otaka, Toshihiko Yoshimura, Kunio Hasegawa, Kazuo Takaku
  • Patent number: 5329099
    Abstract: A method of maintaining the housing of a reactor pressure vessel having: a reactor pressure vessel into which cooling water is introduced; a cylindrical housing which penetrates an end bracket of the reactor pressure vessel; and a circumferential weld for securing the intermediate portion of the housing to the reactor pressure vessel by welding, the method of maintaining a housing of a reactor pressure vessel comprising the steps of: remaining the cooling water in the reactor pressure vessel; preventing leakage of the cooling water in the reactor pressure vessel through the housing by sealing the housing; making the inside portion of the housing lower than the seal to be a hollow space of a gas atmosphere; heating a heat affected zone due to welding by using a heating device inserted into the hollow space from a lower portion so as to compressive-yield the inner surface of the housing in the heat affected portion upper than the circumferential weld and tensile-yield the outer surface; and cooling heated porti
    Type: Grant
    Filed: May 22, 1991
    Date of Patent: July 12, 1994
    Assignee: Hitachi, Ltd.
    Inventors: Kunio Enomoto, Masahiro Otaka, Kunio Hasegawa, Makoto Hayashi, Shinji Sakata, Hideyo Saito, Koichi Kurosawa, Takashi Saito, Yoshinori Karatsu, Motoya Ito
  • Patent number: 5134368
    Abstract: On the basis of a finding that a magnetic hysteresis of a metal material, among magnetization characteristics changing with secular degradation of the metal material, shows a clear correspondence with the degree of degradation of the metal material, a change in such a magnetization characteristic is measured to estimate the degree of secular degradation of the metal material. In a typical embodiment, a superconducting quantum interference device is used to detect the magnetization characteristic of a measuring object. According to the present invention, the degree of embrittlement of a metal material used in an environment of high temperatures can be quickly detected in a non-destructive fashion so that the danger of brittle fracture of the metal material can be reliably prevented.
    Type: Grant
    Filed: November 8, 1990
    Date of Patent: July 28, 1992
    Assignee: Hitachi, Ltd.
    Inventors: Masahiro Otaka, Kunio Enomoto, Kunio Hasegawa, Makoto Hayashi, Tasuku Shimizu, Kazuo Takaku
  • Patent number: 5059903
    Abstract: On the basis of a finding that a magnetic hysteresis of a metal material, among magnetization characteristics changing with secular degradation of the metal material, shows a clear correspondence with the degree of degradation of the metal material, a change in such a magnetization characteristic is measured to estimate the degree of secular degradation of the metal material, In a typical embodiment, a superconducting quantum interference device is used to detect the magnetization characteristic of a measuring object. According to the present invention, the degree of embrittlement of a metal material used in an environment of high temperatures can be quickly detected in a non-destructive fashion so that the danger of brittle fracture of the metal material can be reliably prevented.
    Type: Grant
    Filed: September 21, 1988
    Date of Patent: October 22, 1991
    Assignee: Hitachi, Ltd.
    Inventors: Masahiro Otaka, Kunio Enomoto, Kunio Hasegawa, Makoto Hayashi, Tasuku Shimizu, Kazuo Takaku