Patents by Inventor Tetsuya Ohba

Tetsuya Ohba 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: 20220274434
    Abstract: A coating device includes a coating roller configured to rotate in a rotation direction to apply a treatment liquid onto a sheet at an application position, and a contacting member in contact with a peripheral surface of the coating roller at a position downstream of the application position in the rotation direction.
    Type: Application
    Filed: January 18, 2022
    Publication date: September 1, 2022
    Applicant: Ricoh Company, Ltd.
    Inventors: Jun Matsushima, Yuji Karikusa, Keisuke Yuasa, Teiichiro Ishikawa, Toshiya Satoh, Tetsuya Ohba
  • Patent number: 11358403
    Abstract: A web loader includes a web holder configured to hold a web, a traction member configured to hold the web holder and travel along a loading path of the web, a drive rotation body configured to drive the traction member to travel, and a limiter configured to limit a drive force applied to the drive rotation body.
    Type: Grant
    Filed: May 19, 2020
    Date of Patent: June 14, 2022
    Assignee: Ricoh Company, Ltd.
    Inventor: Tetsuya Ohba
  • Publication number: 20200398588
    Abstract: A web loader includes a web holder configured to hold a web, a traction member configured to hold the web holder and travel along a loading path of the web, a drive rotation body configured to drive the traction member to travel, and a limiter configured to limit a drive force applied to the drive rotation body.
    Type: Application
    Filed: May 19, 2020
    Publication date: December 24, 2020
    Applicant: Ricoh Company, Ltd.
    Inventor: Tetsuya Ohba
  • Patent number: 10137702
    Abstract: A treatment liquid applicator includes a storage container and an outlet. The storage container stores a treatment liquid. The outlet is disposed at the storage container. The outlet includes an outlet opening through which the treatment liquid flows from the storage container to an outside of the storage container. The outlet extends from an inner wall surface of the storage container.
    Type: Grant
    Filed: June 20, 2017
    Date of Patent: November 27, 2018
    Assignee: RICOH COMPANY, LTD.
    Inventor: Tetsuya Ohba
  • Patent number: 10000076
    Abstract: A drying device includes a drying section to dry a recording medium; a cooling section to cool the recording medium conveyed from the drying section; and a duct to expel air inside the drying section to outside the drying device. The duct includes a joint section where the air from the drying section meets air from the cooling section meet. The air from the drying section containing moisture and solvent medium is cooled in the duct.
    Type: Grant
    Filed: January 8, 2018
    Date of Patent: June 19, 2018
    Assignee: RICOH COMPANY, LTD.
    Inventor: Tetsuya Ohba
  • Publication number: 20180126752
    Abstract: A drying device includes a drying section to dry a recording medium; a cooling section to cool the recording medium conveyed from the drying section; and a duct to expel air inside the drying section to outside the drying device. The duct includes a joint section where the air from the drying section meets air from the cooling section meet. The air from the drying section containing moisture and solvent medium is cooled in the duct.
    Type: Application
    Filed: January 8, 2018
    Publication date: May 10, 2018
    Applicant: RICOH COMPANY, LTD.
    Inventor: Tetsuya OHBA
  • Patent number: 9884490
    Abstract: A drying device includes a drying section to dry a recording medium; a cooling section to cool the recording medium conveyed from the drying section; and a duct to expel air inside the drying section to outside the drying device. The duct includes a joint section where the air from the drying section meets air from the cooling section meet. The air from the drying section containing moisture and solvent medium is cooled in the duct.
    Type: Grant
    Filed: November 30, 2016
    Date of Patent: February 6, 2018
    Assignee: RICOH COMPANY, LTD.
    Inventor: Tetsuya Ohba
  • Publication number: 20180001671
    Abstract: A treatment liquid applicator includes a storage container and an outlet. The storage container stores a treatment liquid. The outlet is disposed at the storage container. The outlet includes an outlet opening through which the treatment liquid flows from the storage container to an outside of the storage container. The outlet extends from an inner wall surface of the storage container.
    Type: Application
    Filed: June 20, 2017
    Publication date: January 4, 2018
    Applicant: RICOH COMPANY, LTD.
    Inventor: Tetsuya OHBA
  • Publication number: 20170165978
    Abstract: A drying device includes a drying section to dry a recording medium; a cooling section to cool the recording medium conveyed from the drying section; and a duct to expel air inside the drying section to outside the drying device. The duct includes a joint section where the air from the drying section meets air from the cooling section meet. The air from the drying section containing moisture and solvent medium is cooled in the duct.
    Type: Application
    Filed: November 30, 2016
    Publication date: June 15, 2017
    Applicant: RICOH COMPANY, LTD.
    Inventor: Tetsuya OHBA
  • Patent number: 9233557
    Abstract: A treatment liquid coating apparatus includes a conveyance member to convey a recording medium; a coating roller, to apply treatment liquid on the recording medium, driven to rotate with the conveyance of the conveyance member; a pressure roller to press against the coating roller to hold the recording medium that is placed between the coating roller and the pressure roller; and a reciprocating mechanism to reciprocate the coating roller in a width direction of the recording medium during printing.
    Type: Grant
    Filed: January 26, 2015
    Date of Patent: January 12, 2016
    Assignee: RICOH COMPANY, LTD.
    Inventors: Masaru Hoshina, Yasushi Hashimoto, Sho Sawahata, Akitomo Kuwabara, Hironori Numata, Tetsuya Ohba, Jun Ogino, Kahei Nakamura
  • Patent number: 9162485
    Abstract: A treatment liquid application device for use in an inkjet printer includes an application roller to apply a treatment liquid to a recording medium before an image is formed on the recording medium, a squeeze roller disposed below the application roller and to make a pressure-contact with the application roller, a treatment liquid supply unit to supply the treatment liquid to a nip part between the application roller and the squeeze roller, and a pressure roller disposed above the application roller and to cause the recording medium to make a pressure-contact with the application roller. When the application roller applies the treatment liquid to the recording medium, a position of the application roller is not restricted in approximate load directions of the squeeze roller and the pressure roller but is restricted in directions other than the approximate load directions.
    Type: Grant
    Filed: March 10, 2014
    Date of Patent: October 20, 2015
    Assignee: RICOH COMPANY, LTD.
    Inventors: Tetsuya Ohba, Akitomo Kuwabara, Hironori Numata, Masaru Hoshina, Kahei Nakamura
  • Publication number: 20150210091
    Abstract: A treatment liquid coating apparatus includes a conveyance member to convey a recording medium; a coating roller, to apply treatment liquid on the recording medium, driven to rotate with the conveyance of the conveyance member; a pressure roller to press against the coating roller to hold the recording medium that is placed between the coating roller and the pressure roller; and a reciprocating mechanism to reciprocate the coating roller in a width direction of the recording medium during printing.
    Type: Application
    Filed: January 26, 2015
    Publication date: July 30, 2015
    Inventors: Masaru HOSHINA, Yasushi HASHIMOTO, Sho SAWAHATA, Akitomo KUWABARA, Hironori NUMATA, Tetsuya OHBA, Jun OGINO, Kahei NAKAMURA
  • Patent number: 8944508
    Abstract: In an eccentric-drive equipped seat reclining device including a cover having internal teeth, a base member, an external gear having fewer external teeth than a number of the internal teeth, a pair of wedge-shaped members and a guide plate located in an eccentric space between the cover and the external gear, a spring biasing the pair of wedge-shaped members apart from each other, and a driving member for circumferentially pushing the pair of wedge-shaped members, the external gear has a cylindrical protrusion. The base member has a first axially-recessed portion for press-fitting the external gear to the base member, a second axially-recessed portion accommodating the cylindrical protrusion, and a third axially-recessed portion accommodating the spring. Protrusions, formed integral with an annular outer peripheral portion of a backface of the second axially-recessed portion, are fitted to respective recessed portions of a seat-cushion side arm.
    Type: Grant
    Filed: October 29, 2012
    Date of Patent: February 3, 2015
    Assignee: Fuji Kiko Co., Ltd.
    Inventors: Tetsuya Ohba, Tsunehito Ohba
  • Patent number: 8911072
    Abstract: A pre-applying liquid applying apparatus for an inkjet printer is disclosed. The apparatus includes an applying roller which applies a treatment agent onto a recording medium before an image is formed; a squeeze roller which abuts against the applying roller; and a treatment agent supplying unit which supplies the treatment agent to a nip portion of the applying roller and the squeeze roller. A squeeze pressure adjusting mechanism is provided which adjusts an abutting force of the squeeze roller against the applying roller.
    Type: Grant
    Filed: March 1, 2012
    Date of Patent: December 16, 2014
    Assignee: Ricoh Company, Ltd.
    Inventor: Tetsuya Ohba
  • Publication number: 20140253652
    Abstract: A treatment liquid application device for use in an inkjet printer includes an application roller to apply a treatment liquid to a recording medium before an image is formed on the recording medium, a squeeze roller disposed below the application roller and to make a pressure-contact with the application roller, a treatment liquid supply unit to supply the treatment liquid to a nip part between the application roller and the squeeze roller, and a pressure roller disposed above the application roller and to cause the recording medium to make a pressure-contact with the application roller. When the application roller applies the treatment liquid to the recording medium, a position of the application roller is not restricted in approximate load directions of the squeeze roller and the pressure roller but is restricted in directions other than the approximate load directions.
    Type: Application
    Filed: March 10, 2014
    Publication date: September 11, 2014
    Inventors: Tetsuya Ohba, Akitomo Kuwabara, Hironori Numata, Masaru Hoshina, Kahei Nakamura
  • Patent number: 8369720
    Abstract: A powder container apparatus for containing a powder material removed from a cleaned body using a cleaning unit includes a casing having an opening at the top; a collecting bag made of a soft and freely deformable material detachably disposed within the casing, the collecting bag being configured to contain the powder material that is dropped via the opening of the casing; a displaced member disposed between the collecting bag and the casing and configured to be horizontally displaced by the collecting bag when the collecting bag is inflated by the powder material contained in the collecting bag; a displacement amount detecting unit configured to detect the displacement of the displaced member; and a collected amount detecting unit configured to determine a collected amount of the powder material in the collecting bag based on the horizontal displacement of the displaced member detected by the displacement amount detecting unit.
    Type: Grant
    Filed: December 15, 2009
    Date of Patent: February 5, 2013
    Assignee: Ricoh Company, Ltd.
    Inventors: Tetsuya Ohba, Hidenori Iwanaga
  • Patent number: 8360526
    Abstract: A seat reclining apparatus includes a base member; a pivot member having an internal tooth gear; a cylindrical holder covering the outer circumference surface of the pivot member; a lock tooth having an external tooth gear arranged to be engaged with the internal tooth gear; and a cam arranged to push the lock tooth to engage or disengage the external tooth gear with or from the internal tooth gear; the pivot member including a bearing inner circumference surface located on the circular recessed portion, on the base member's side of the internal tooth gear in the axial direction, the base member including a circular support outer circumference surface on which the bearing inner circumference surface is slid, and the bearing inner circumference surface and the support outer circumference surface being arranged to position the pivot member relative to the base member in the radial direction.
    Type: Grant
    Filed: June 26, 2009
    Date of Patent: January 29, 2013
    Assignee: Fuji Kiko Co., Ltd.
    Inventor: Tetsuya Ohba
  • Publication number: 20120229580
    Abstract: A pre-applying liquid applying apparatus for an inkjet printer is disclosed. The apparatus includes an applying roller which applies a treatment agent onto a recording medium before an image is formed; a squeeze roller which abuts against the applying roller; and a treatment agent supplying unit which supplies the treatment agent to a nip portion of the applying roller and the squeeze roller. A squeeze pressure adjusting mechanism is provided which adjusts an abutting force of the squeeze roller against the applying roller.
    Type: Application
    Filed: March 1, 2012
    Publication date: September 13, 2012
    Applicant: RICOH COMPANY, LTD.
    Inventor: Tetsuya OHBA
  • Patent number: 8169274
    Abstract: It is an object to obtain a transmission line converter in which a rectangular waveguide provided under a transmission line may be reduced in size. In the transmission line converter including: a rectangular waveguide (11); a slot (5) provided in a wall surface of the rectangular waveguide (11); and a transmission line (13) which extends in a direction of a tube axis of the rectangular waveguide (11) and includes signal conductors (2 and 3) and a ground conductor (4), the slot (5) is provided in a narrower wall surface of the rectangular waveguide (11) and has a shape in which a central portion of the slot (5) includes an oblique portion to the tube axis of the rectangular waveguide (11) and at least one of both end portions of the oblique portion includes a portion parallel to the tube axis of the rectangular waveguide (11), and the wall surface of the rectangular waveguide (11) in which the slot (5) is provided is a part of the ground conductor (4).
    Type: Grant
    Filed: July 5, 2007
    Date of Patent: May 1, 2012
    Assignee: Mitsubishi Electric Corporation
    Inventors: Yukihiro Tahara, Hideyuki Oh-Hashi, Tetsuya Ohba, Satoshi Yamaguchi
  • Publication number: 20100196021
    Abstract: A powder container apparatus for containing a powder material removed from a cleaned body using a cleaning unit includes a casing having an opening at the top; a collecting bag made of a soft and freely deformable material detachably disposed within the casing, the collecting bag being configured to contain the powder material that is dropped via the opening of the casing; a displaced member disposed between the collecting bag and the casing and configured to be horizontally displaced by the collecting bag when the collecting bag is inflated by the powder material contained in the collecting bag; a displacement amount detecting unit configured to detect the displacement of the displaced member; and a collected amount detecting unit configured to determine a collected amount of the powder material in the collecting bag based on the horizontal displacement of the displaced member detected by the displacement amount detecting unit.
    Type: Application
    Filed: December 15, 2009
    Publication date: August 5, 2010
    Inventors: Tetsuya OHBA, Hidenori Iwanaga