Patents by Inventor Seiji Tezuka
Seiji Tezuka 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: 20240083701Abstract: An image reading device includes an inner roller and an outer roller in a curved path, and a path forming member that forms an outer side of a first path portion when a path portion extending downstream in a conveying direction from a nip position between the inner roller and the outer roller in the curved path is defined as the first path portion, wherein a support portion that supports a trailing end of a medium is provided on a lateral side of the outer roller in a swing member that rotatably supports the outer roller, and the support portion protrudes further inward of the curved path than the path forming member in the first path portion.Type: ApplicationFiled: September 7, 2023Publication date: March 14, 2024Inventor: Seiji TEZUKA
-
Publication number: 20230319210Abstract: A scanner includes a reading unit that reads an image of a paper, a medium feeding portion that is capable of selecting a first feeding mode in which a separation feeding for separately feeding a paper bundle in which a plurality of sheets of paper is overlapped with each other is performed and a second feeding mode in which a non-separation feeding for collectively feeding the paper bundle without separating is performed, and a pair of first transporting rollers and a pair of second transporting rollers that transport the paper fed by the medium feeding portion, in a case in which the medium feeding portion feeds the paper in the second feeding mode, a first driven roller and a second driven roller respectively constituting the pair of first transporting rollers and the pair of second transporting rollers are driven in a rotation direction where the paper is transported.Type: ApplicationFiled: June 7, 2023Publication date: October 5, 2023Inventors: Seiji Tezuka, Noriyuki Koyanagi, Naoki Sakamoto
-
Patent number: 11711478Abstract: A scanner includes a reading unit that reads an image of a paper, a medium feeding portion that is capable of selecting a first feeding mode in which a separation feeding for separately feeding a paper bundle in which a plurality of sheets of paper is overlapped with each other is performed and a second feeding mode in which a non-separation feeding for collectively feeding the paper bundle without separating is performed, and a pair of first transporting rollers and a pair of second transporting rollers that transport the paper fed by the medium feeding portion, in a case in which the medium feeding portion feeds the paper in the second feeding mode, a first driven roller and a second driven roller respectively constituting the pair of first transporting rollers and the pair of second transporting rollers are driven in a rotation direction where the paper is transported.Type: GrantFiled: March 15, 2022Date of Patent: July 25, 2023Assignee: Seiko Epson CorporationInventors: Seiji Tezuka, Noriyuki Koyanagi, Naoki Sakamoto
-
Publication number: 20220411215Abstract: A document transporting device includes a main body unit that forms an inner side of an inverting path, a cover unit that exposes a portion of the inverting path, a movable unit, a transport roller, a driven roller, and a roller supporting unit that forms an outer side of the inverting path. By receiving a force from the cover unit, the roller supporting unit rotates in a direction in which the driven roller moves away from the transport roller. By receiving a force from the roller supporting unit, the movable unit rotates in a direction in which the movable unit retreats from the main body unit.Type: ApplicationFiled: June 27, 2022Publication date: December 29, 2022Inventors: Seiji TEZUKA, Koji MIGITA
-
Patent number: 11381695Abstract: A scanner includes a reading section configured to read a medium being transported, a discharge roller pair configured to nip the medium read in the reading section by a first roller and a second roller and discharge the medium, and a rib disposed in a position overlapping the discharge roller pair in a medium transport direction, the rib protruding from the first roller side toward the second roller side out of the first roller and the second roller, the rib including a first rib disposed on one side in a width direction intersecting the medium transport direction with respect to the discharge roller pair and a second rib disposed on the opposite side of the first rib in the width direction with respect to the discharge roller pair.Type: GrantFiled: July 31, 2019Date of Patent: July 5, 2022Assignee: Seiko Epson CorporationInventor: Seiji Tezuka
-
Publication number: 20220210289Abstract: A scanner includes a reading unit that reads an image of a paper, a medium feeding portion that is capable of selecting a first feeding mode in which a separation feeding for separately feeding a paper bundle in which a plurality of sheets of paper is overlapped with each other is performed and a second feeding mode in which a non-separation feeding for collectively feeding the paper bundle without separating is performed, and a pair of first transporting rollers and a pair of second transporting rollers that transport the paper fed by the medium feeding portion, in a case in which the medium feeding portion feeds the paper in the second feeding mode, a first driven roller and a second driven roller respectively constituting the pair of first transporting rollers and the pair of second transporting rollers are driven in a rotation direction where the paper is transported.Type: ApplicationFiled: March 15, 2022Publication date: June 30, 2022Inventors: Seiji Tezuka, Noriyuki Koyanagi, Naoki Sakamoto
-
Patent number: 11343397Abstract: An image reading apparatus includes a support section in contact with a mounting surface on which the apparatus is mounted, an apparatus body including a reader, the apparatus body, and a position holding section. The position of the apparatus body can be switched between a first position in which the apparatus body is not in use and a second position in which the apparatus body reads a document using the reader, and in which a projected area of the apparatus body on the mounting surface is larger than that in the first position, and the center of gravity of the apparatus body is lower than or equal to a rotation axis center of the apparatus body in a vertical direction viewed in a rotation axis direction of the apparatus body when the apparatus body is in the first position or in the second position.Type: GrantFiled: February 1, 2021Date of Patent: May 24, 2022Assignee: Seiko Epson CorporationInventors: Seiji Tezuka, Keiichiro Fukumasu, Hidenori Harada, Tomoyuki Mokuo
-
Patent number: 11310388Abstract: A scanner includes a reading unit that reads an image of a paper, a medium feeding portion that is capable of selecting a first feeding mode in which a separation feeding for separately feeding a paper bundle in which a plurality of sheets of paper is overlapped with each other is performed and a second feeding mode in which a non-separation feeding for collectively feeding the paper bundle without separating is performed, and a pair of first transporting rollers and a pair of second transporting rollers that transport the paper fed by the medium feeding portion, in a case in which the medium feeding portion feeds the paper in the second feeding mode, a first driven roller and a second driven roller respectively constituting the pair of first transporting rollers and the pair of second transporting rollers are driven in a rotation direction where the paper is transported.Type: GrantFiled: November 30, 2020Date of Patent: April 19, 2022Assignee: Seiko Epson CorporationInventors: Seiji Tezuka, Noriyuki Koyanagi, Naoki Sakamoto
-
Patent number: 11303775Abstract: A scanner includes a reading unit that reads an image of a paper, a medium feeding portion that is capable of selecting a first feeding mode in which a separation feeding for separately feeding a paper bundle in which a plurality of sheets of paper is overlapped with each other is performed and a second feeding mode in which a non-separation feeding for collectively feeding the paper bundle without separating is performed, and a pair of first transporting rollers and a pair of second transporting rollers that transport the paper fed by the medium feeding portion, in a case in which the medium feeding portion feeds the paper in the second feeding mode, a first driven roller and a second driven roller respectively constituting the pair of first transporting rollers and the pair of second transporting rollers are driven in a rotation direction where the paper is transported.Type: GrantFiled: November 30, 2020Date of Patent: April 12, 2022Assignee: Seiko Epson CorporationInventors: Seiji Tezuka, Noriyuki Koyanagi, Naoki Sakamoto
-
Publication number: 20210243316Abstract: An image reading apparatus includes a support section in contact with a mounting surface on which the apparatus is mounted, an apparatus body including a reader, the apparatus body, and a position holding section. The position of the apparatus body can be switched between a first position in which the apparatus body is not in use and a second position in which the apparatus body reads a document using the reader, and in which a projected area of the apparatus body on the mounting surface is larger than that in the first position, and the center of gravity of the apparatus body is lower than or equal to a rotation axis center of the apparatus body in a vertical direction viewed in a rotation axis direction of the apparatus body when the apparatus body is in the first position or in the second position.Type: ApplicationFiled: February 1, 2021Publication date: August 5, 2021Inventors: Seiji TEZUKA, Keiichiro FUKUMASU, Hidenori HARADA, Tomoyuki MOKUO
-
Patent number: 11039033Abstract: A scanner includes a reading unit that reads an image of a paper, a medium feeding portion that is capable of selecting a first feeding mode in which a separation feeding for separately feeding a paper bundle in which a plurality of sheets of paper is overlapped with each other is performed and a second feeding mode in which a non-separation feeding for collectively feeding the paper bundle without separating is performed, and a pair of first transporting rollers and a pair of second transporting rollers that transport the paper fed by the medium feeding portion, in a case in which the medium feeding portion feeds the paper in the second feeding mode, a first driven roller and a second driven roller respectively constituting the pair of first transporting rollers and the pair of second transporting rollers are driven in a rotation direction where the paper is transported.Type: GrantFiled: February 18, 2020Date of Patent: June 15, 2021Assignee: Seiko Epson CorporationInventors: Seiji Tezuka, Noriyuki Koyanagi, Naoki Sakamoto
-
Publication number: 20210084186Abstract: A scanner includes a reading unit that reads an image of a paper, a medium feeding portion that is capable of selecting a first feeding mode in which a separation feeding for separately feeding a paper bundle in which a plurality of sheets of paper is overlapped with each other is performed and a second feeding mode in which a non-separation feeding for collectively feeding the paper bundle without separating is performed, and a pair of first transporting rollers and a pair of second transporting rollers that transport the paper fed by the medium feeding portion, in a case in which the medium feeding portion feeds the paper in the second feeding mode, a first driven roller and a second driven roller respectively constituting the pair of first transporting rollers and the pair of second transporting rollers are driven in a rotation direction where the paper is transported.Type: ApplicationFiled: November 30, 2020Publication date: March 18, 2021Inventors: Seiji TEZUKA, Noriyuki Koyanagi, Naoki Sakamoto
-
Publication number: 20210084187Abstract: A scanner includes a reading unit that reads an image of a paper, a medium feeding portion that is capable of selecting a first feeding mode in which a separation feeding for separately feeding a paper bundle in which a plurality of sheets of paper is overlapped with each other is performed and a second feeding mode in which a non-separation feeding for collectively feeding the paper bundle without separating is performed, and a pair of first transporting rollers and a pair of second transporting rollers that transport the paper fed by the medium feeding portion, in a case in which the medium feeding portion feeds the paper in the second feeding mode, a first driven roller and a second driven roller respectively constituting the pair of first transporting rollers and the pair of second transporting rollers are driven in a rotation direction where the paper is transported.Type: ApplicationFiled: November 30, 2020Publication date: March 18, 2021Inventors: Seiji Tezuka, Noriyuki Koyanagi, Naoki Sakamoto
-
Publication number: 20200186665Abstract: A scanner includes a reading unit that reads an image of a paper, a medium feeding portion that is capable of selecting a first feeding mode in which a separation feeding for separately feeding a paper bundle in which a plurality of sheets of paper is overlapped with each other is performed and a second feeding mode in which a non-separation feeding for collectively feeding the paper bundle without separating is performed, and a pair of first transporting rollers and a pair of second transporting rollers that transport the paper fed by the medium feeding portion, in a case in which the medium feeding portion feeds the paper in the second feeding mode, a first driven roller and a second driven roller respectively constituting the pair of first transporting rollers and the pair of second transporting rollers are driven in a rotation direction where the paper is transported.Type: ApplicationFiled: February 18, 2020Publication date: June 11, 2020Inventors: Seiji TEZUKA, Noriyuki Koyanagi, Naoki Sakamoto
-
Patent number: 10602012Abstract: A scanner includes a reading unit that reads an image of a paper, a medium feeding portion that is capable of selecting a first feeding mode in which a separation feeding for separately feeding a paper bundle in which a plurality of sheets of paper is overlapped with each other is performed and a second feeding mode in which a non-separation feeding for collectively feeding the paper bundle without separating is performed, and a pair of first transporting rollers and a pair of second transporting rollers that transport the paper fed by the medium feeding portion, in a case in which the medium feeding portion feeds the paper in the second feeding mode, a first driven roller and a second driven roller respectively constituting the pair of first transporting rollers and the pair of second transporting rollers are driven in a rotation direction where the paper is transported.Type: GrantFiled: September 27, 2018Date of Patent: March 24, 2020Assignee: Seiko Epson CorporationInventors: Seiji Tezuka, Noriyuki Koyanagi, Naoki Sakamoto
-
Publication number: 20200045194Abstract: A scanner includes a reading section configured to read a medium being transported, a discharge roller pair configured to nip the medium read in the reading section by a first roller and a second roller and discharge the medium, and a rib disposed in a position overlapping the discharge roller pair in a medium transport direction, the rib protruding from the first roller side toward the second roller side out of the first roller and the second roller, the rib including a first rib disposed on one side in a width direction intersecting the medium transport direction with respect to the discharge roller pair and a second rib disposed on the opposite side of the first rib in the width direction with respect to the discharge roller pair.Type: ApplicationFiled: July 31, 2019Publication date: February 6, 2020Inventor: Seiji TEZUKA
-
Publication number: 20190098163Abstract: A scanner includes a reading unit that reads an image of a paper, a medium feeding portion that is capable of selecting a first feeding mode in which a separation feeding for separately feeding a paper bundle in which a plurality of sheets of paper is overlapped with each other is performed and a second feeding mode in which a non-separation feeding for collectively feeding the paper bundle without separating is performed, and a pair of first transporting rollers and a pair of second transporting rollers that transport the paper fed by the medium feeding portion, in a case in which the medium feeding portion feeds the paper in the second feeding mode, a first driven roller and a second driven roller respectively constituting the pair of first transporting rollers and the pair of second transporting rollers are driven in a rotation direction where the paper is transported.Type: ApplicationFiled: September 27, 2018Publication date: March 28, 2019Inventors: Seiji TEZUKA, Noriyuki KOYANAGI, Naoki SAKAMOTO
-
Patent number: 10110760Abstract: A medium feeding device includes a housing, a medium feeding portion that is provided in an inner portion of the housing and delivers sheets of paper, a medium mounting member on which a medium is mounted, and a wireless communication portion that performs wireless communication with another communication terminal, in which the wireless communication portion is provided in the medium mounting member.Type: GrantFiled: March 7, 2017Date of Patent: October 23, 2018Assignee: Seiko Epson CorporationInventor: Seiji Tezuka
-
Publication number: 20170279982Abstract: A medium feeding device includes a housing, a medium feeding portion that is provided in an inner portion of the housing and delivers sheets of paper, a medium mounting member on which a medium is mounted, and a wireless communication portion that performs wireless communication with another communication terminal, in which the wireless communication portion is provided in the medium mounting member.Type: ApplicationFiled: March 7, 2017Publication date: September 28, 2017Inventor: Seiji TEZUKA
-
Patent number: 9199478Abstract: A liquid ejection apparatus includes a cover unit that is movable relative to a housing, an ink tank provided outside the housing in a state containing ink, a ink supplying tube in which ink can flow so that ink is supplied from the ink tank to the liquid ejection head, and an insertion hole that allows the ink supplying tube to be inserted into the housing, wherein the housing is formed by a housing portion in which a container that houses a stacker is formed to protrude, and a housing portion which has an operation panel having an inclined surface which protrudes at a position above the container, and the insertion hole is provided on at least one of the housing and the cover unit.Type: GrantFiled: August 8, 2013Date of Patent: December 1, 2015Assignee: Seiko Epson CorporationInventors: Yuto Suzuki, Nobuhisa Nomoto, Masaki Shimomura, Nobutaka Suzuki, Seiji Tezuka