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).
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Publication number: 20240313624Abstract: A laminated iron core includes a laminated body including a plurality of laminated metal sheets. The laminated body includes a welded portion where an endmost metal sheet located at an endmost position in a lamination direction and the metal sheet in contact with the endmost metal sheet are welded. A welding end of the welded portion is in contact with at least one endmost metal sheet.Type: ApplicationFiled: March 12, 2024Publication date: September 19, 2024Applicant: MITSUI HIGH-TEC, INC.Inventors: Go KATO, Yasutaka OHBA, Yuki TOKIMOTO, Tetsuya HIRAKAWA
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Patent number: 12043053Abstract: 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: GrantFiled: January 18, 2022Date of Patent: July 23, 2024Assignee: Ricoh Company, Ltd.Inventors: Jun Matsushima, Yuji Karikusa, Keisuke Yuasa, Teiichiro Ishikawa, Toshiya Satoh, Tetsuya Ohba
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Publication number: 20220274434Abstract: 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: ApplicationFiled: January 18, 2022Publication date: September 1, 2022Applicant: Ricoh Company, Ltd.Inventors: Jun Matsushima, Yuji Karikusa, Keisuke Yuasa, Teiichiro Ishikawa, Toshiya Satoh, Tetsuya Ohba
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Patent number: 11358403Abstract: 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: GrantFiled: May 19, 2020Date of Patent: June 14, 2022Assignee: Ricoh Company, Ltd.Inventor: Tetsuya Ohba
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Publication number: 20200398588Abstract: 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: ApplicationFiled: May 19, 2020Publication date: December 24, 2020Applicant: Ricoh Company, Ltd.Inventor: Tetsuya Ohba
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Patent number: 10137702Abstract: 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: GrantFiled: June 20, 2017Date of Patent: November 27, 2018Assignee: RICOH COMPANY, LTD.Inventor: Tetsuya Ohba
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Patent number: 10000076Abstract: 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: GrantFiled: January 8, 2018Date of Patent: June 19, 2018Assignee: RICOH COMPANY, LTD.Inventor: Tetsuya Ohba
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Publication number: 20180126752Abstract: 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: ApplicationFiled: January 8, 2018Publication date: May 10, 2018Applicant: RICOH COMPANY, LTD.Inventor: Tetsuya OHBA
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Patent number: 9884490Abstract: 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: GrantFiled: November 30, 2016Date of Patent: February 6, 2018Assignee: RICOH COMPANY, LTD.Inventor: Tetsuya Ohba
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Publication number: 20180001671Abstract: 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: ApplicationFiled: June 20, 2017Publication date: January 4, 2018Applicant: RICOH COMPANY, LTD.Inventor: Tetsuya OHBA
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Publication number: 20170165978Abstract: 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: ApplicationFiled: November 30, 2016Publication date: June 15, 2017Applicant: RICOH COMPANY, LTD.Inventor: Tetsuya OHBA
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Patent number: 9233557Abstract: 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: GrantFiled: January 26, 2015Date of Patent: January 12, 2016Assignee: RICOH COMPANY, LTD.Inventors: Masaru Hoshina, Yasushi Hashimoto, Sho Sawahata, Akitomo Kuwabara, Hironori Numata, Tetsuya Ohba, Jun Ogino, Kahei Nakamura
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Patent number: 9162485Abstract: 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: GrantFiled: March 10, 2014Date of Patent: October 20, 2015Assignee: RICOH COMPANY, LTD.Inventors: Tetsuya Ohba, Akitomo Kuwabara, Hironori Numata, Masaru Hoshina, Kahei Nakamura
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Publication number: 20150210091Abstract: 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: ApplicationFiled: January 26, 2015Publication date: July 30, 2015Inventors: Masaru HOSHINA, Yasushi HASHIMOTO, Sho SAWAHATA, Akitomo KUWABARA, Hironori NUMATA, Tetsuya OHBA, Jun OGINO, Kahei NAKAMURA
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Patent number: 8944508Abstract: 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: GrantFiled: October 29, 2012Date of Patent: February 3, 2015Assignee: Fuji Kiko Co., Ltd.Inventors: Tetsuya Ohba, Tsunehito Ohba
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Patent number: 8911072Abstract: 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: GrantFiled: March 1, 2012Date of Patent: December 16, 2014Assignee: Ricoh Company, Ltd.Inventor: Tetsuya Ohba
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Publication number: 20140253652Abstract: 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: ApplicationFiled: March 10, 2014Publication date: September 11, 2014Inventors: Tetsuya Ohba, Akitomo Kuwabara, Hironori Numata, Masaru Hoshina, Kahei Nakamura
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Patent number: 8369720Abstract: 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: GrantFiled: December 15, 2009Date of Patent: February 5, 2013Assignee: Ricoh Company, Ltd.Inventors: Tetsuya Ohba, Hidenori Iwanaga
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Patent number: 8360526Abstract: 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: GrantFiled: June 26, 2009Date of Patent: January 29, 2013Assignee: Fuji Kiko Co., Ltd.Inventor: Tetsuya Ohba
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Publication number: 20120229580Abstract: 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: ApplicationFiled: March 1, 2012Publication date: September 13, 2012Applicant: RICOH COMPANY, LTD.Inventor: Tetsuya OHBA