Patents by Inventor Etsuo Tsuji
Etsuo Tsuji 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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Patent number: 11691265Abstract: A robot includes a base installed on an installation surface, a robot arm coupled to the base, a force detection section coupled to the base and detecting a force applied to the robot arm, a coupling member having a plurality of convex parts provided between the installation surface and the force detection section, projecting toward the force detection section side, and contacting the force detection section, and first fixing members provided in positions where the convex parts are provided and fixing the force detection section and the coupling member.Type: GrantFiled: October 30, 2020Date of Patent: July 4, 2023Assignee: SEIKO EPSON CORPORATIONInventors: Kazuto Yoshimura, Junichi Kurokawa, Yoshiteru Nishimura, Etsuo Tsuji
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Publication number: 20210129315Abstract: A robot includes a base installed on an installation surface, a robot arm coupled to the base, a force detection section coupled to the base and detecting a force applied to the robot arm, a coupling member having a plurality of convex parts provided between the installation surface and the force detection section, projecting toward the force detection section side, and contacting the force detection section, and first fixing members provided in positions where the convex parts are provided and fixing the force detection section and the coupling member.Type: ApplicationFiled: October 30, 2020Publication date: May 6, 2021Inventors: Kazuto YOSHIMURA, Junichi KUROKAWA, Yoshiteru NISHIMURA, Etsuo TSUJI
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Patent number: 10455106Abstract: There is provided an image reading apparatus including: a reading device; a carriage which the reading device is loaded; a support shaft which is formed of a conductive material, which is grounded to a ground potential, and which supports the carriage; and a conduction member which allows a conductive part of the carriage and the support shaft to be electrically conducted to each other, in which the carriage includes a bearing section which is formed of a material having electric insulation properties, in which the bearing section is supported by the support shaft in a state of abutting against the support shaft from one side of the support shaft in a direction intersecting with a shaft line of the support shaft, and in which the conduction member is fixed to the carriage, and abuts against the support shaft from a side opposite to the support shaft.Type: GrantFiled: March 12, 2018Date of Patent: October 22, 2019Assignee: Seiko Epson CorporationInventors: Etsuo Tsuji, Soichiro Kii, Yutaro Kajitani
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Patent number: 10334131Abstract: An image reading apparatus includes a document placement surface, a document cover that rotates between a closed state and an open state, a pressing portion that is disposed on the side of the document table and presses a switch, a rotary lever that is disposed on the side of the document cover and applies external force to the pressing portion, and a biasing member that biases one end side of the rotary lever in a direction that moves away from the document cover, in which when the document cover is at a predetermined angle, one end of the rotary lever pushes down the pressing portion to change the state of the switch, and in the process of displacement from the predetermined angle to the closed state, the one end of the rotary lever rotates in a direction approaching the document cover and maintains the state of the switch.Type: GrantFiled: January 11, 2018Date of Patent: June 25, 2019Assignee: Seiko Epson CorporationInventors: Soichiro Kii, Etsuo Tsuji, Osamu Hanamura
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Publication number: 20180278787Abstract: There is provided an image reading apparatus including: a reading device; a carriage which the reading device is loaded; a support shaft which is formed of a conductive material, which is grounded to a ground potential, and which supports the carriage; and a conduction member which allows a conductive part of the carriage and the support shaft to be electrically conducted to each other, in which the carriage includes a bearing section which is formed of a material having electric insulation properties, in which the bearing section is supported by the support shaft in a state of abutting against the support shaft from one side of the support shaft in a direction intersecting with a shaft line of the support shaft, and in which the conduction member is fixed to the carriage, and abuts against the support shaft from a side opposite to the support shaft.Type: ApplicationFiled: March 12, 2018Publication date: September 27, 2018Inventors: Etsuo TSUJI, Soichiro KII, Yutaro KAJITANI
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Publication number: 20180213099Abstract: An image reading apparatus includes a document placement surface, a document cover that rotates between a closed state and an open state, a pressing portion that is disposed on the side of the document table and presses a switch, a rotary lever that is disposed on the side of the document cover and applies external force to the pressing portion, and a biasing member that biases one end side of the rotary lever in a direction that moves away from the document cover, in which when the document cover is at a predetermined angle, one end of the rotary lever pushes down the pressing portion to change the state of the switch, and in the process of displacement from the predetermined angle to the closed state, the one end of the rotary lever rotates in a direction approaching the document cover and maintains the state of the switch.Type: ApplicationFiled: January 11, 2018Publication date: July 26, 2018Inventors: Soichiro KII, Etsuo TSUJI, Osamu HANAMURA
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Patent number: 9617096Abstract: A transport apparatus includes: a separation roller pair which is operated when power is transmitted from a first motor; a resist roller pair which is operated when power is transmitted from a second motor; an assist roller pair which is disposed between the separation roller pair and the resist roller pair in the transport direction of the document; a first transmission mechanism portion which transmits the power from the first motor to the assist roller pair; a second transmission mechanism portion which transmits the power from the second motor to the assist roller pair; and a control portion which controls operation aspects of each roller pair.Type: GrantFiled: February 18, 2016Date of Patent: April 11, 2017Assignee: Seiko Epson CorporationInventors: Soichiro Kii, Etsuo Tsuji, Shota Hiramatsu
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Patent number: 9578204Abstract: A control unit performs a reading operation in a first mode in which a document on a document stand is read by moving a carriage which includes a reading portion, and in a second mode in which a document which is transported by a document transport unit is read using the carriage which is located at a reading position. The device includes a first white reference plate which is arranged in a first white reference reading position which is a standby position in the first mode, and a second white reference plate which is arranged on a side opposite to the first white reference plate by interposing a reading position in the second mode therebetween in the sub-scanning direction.Type: GrantFiled: October 21, 2015Date of Patent: February 21, 2017Assignee: Seiko Epson CorporationInventors: Soichiro Kii, Etsuo Tsuji, Toshimitsu Ohara
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Publication number: 20160251182Abstract: A transport apparatus includes: a separation roller pair which is operated when power is transmitted from a first motor; a resist roller pair which is operated when power is transmitted from a second motor; an assist roller pair which is disposed between the separation roller pair and the resist roller pair in the transport direction of the document; a first transmission mechanism portion which transmits the power from the first motor to the assist roller pair; a second transmission mechanism portion which transmits the power from the second motor to the assist roller pair; and a control portion which controls operation aspects of each roller pair.Type: ApplicationFiled: February 18, 2016Publication date: September 1, 2016Inventors: Soichiro KII, Etsuo TSUJI, Shota HIRAMATSU
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Publication number: 20160119501Abstract: A control unit performs a reading operation in a first mode in which a document on a document stand is read by moving a carriage which includes a reading portion, and in a second mode in which a document which is transported by a document transport unit is read using the carriage which is located at a reading position. The device includes a first white reference plate which is arranged in a first white reference reading position which is a standby position in the first mode, and a second white reference plate which is arranged on a side opposite to the first white reference plate by interposing a reading position in the second mode therebetween in the sub-scanning direction.Type: ApplicationFiled: October 21, 2015Publication date: April 28, 2016Inventors: Soichiro KII, Etsuo TSUJI, Toshimitsu OHARA
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Patent number: 8240820Abstract: A fluid ejection device ejecting a fluid, the fluid ejection device includes: a fluid ejection unit, a main chassis case, a fluid-containing pack, and a container case. The fluid ejection unit ejects a fluid onto an ejection target. The main chassis case houses the fluid ejection unit. The fluid-containing pack contains a fluid for ejection. The container case houses the fluid-containing pack. The container case is pivotably attached to the main chassis case and openable by rotation about a rotation shaft. The fluid ejection device further comprises a fluid passage, including a delivery tube with a bent section, in which fluid flows from the fluid-containing tank to the fluid ejection unit through the container case. The shape of the bent section changes by the opening and closing of the container case.Type: GrantFiled: November 2, 2011Date of Patent: August 14, 2012Assignee: Seiko Epson CorporationInventors: Tatsuro Osawa, Hiroyuki Sugimoto, Etsuo Tsuji, Masayuki Horikawa, Tsutomu Yamamoto
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Patent number: 8235508Abstract: A fluid ejection device ejecting a fluid, the fluid ejection device includes: a fluid ejection unit, a main chassis case, a fluid-containing pack, and a container case. The fluid ejection unit ejects a fluid onto an ejection target. The main chassis case houses the fluid ejection unit. The fluid-containing pack contains a fluid for ejection. The container case houses the fluid-containing pack. The container case is pivotably attached to the main chassis case and openable by rotation about a rotation shaft.Type: GrantFiled: November 2, 2011Date of Patent: August 7, 2012Assignee: Seiko Epson CorporationInventors: Tatsuro Osawa, Hiroyuki Sugimoto, Etsuo Tsuji, Masayuki Horikawa, Tsutomu Yamamoto
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Publication number: 20120044306Abstract: A fluid ejection device ejecting a fluid, the fluid ejection device includes: a fluid ejection unit, a main chassis case, a fluid-containing pack, and a container case. The fluid ejection unit ejects a fluid onto an ejection target. The main chassis case houses the fluid ejection unit. The fluid-containing pack contains a fluid for ejection. The container case houses the fluid-containing pack. The container case is pivotably attached to the main chassis case and openable by rotation about a rotation shaft.Type: ApplicationFiled: November 2, 2011Publication date: February 23, 2012Applicant: SEIKO EPSON CORPORATIONInventors: Tatsuro Osawa, Hiroyuki Sugimoto, Etsuo Tsuji, Masayuki Horikawa, Tsutomu Yamamoto
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Publication number: 20120044305Abstract: A fluid ejection device ejecting a fluid, the fluid ejection device includes: a fluid ejection unit, a main chassis case, a fluid-containing pack, and a container case. The fluid ejection unit ejects a fluid onto an ejection target. The main chassis case houses the fluid ejection unit. The fluid-containing pack contains a fluid for ejection. The container case houses the fluid-containing pack. The container case is pivotably attached to the main chassis case and openable by rotation about a rotation shaft. The fluid ejection device further comprises a fluid passage, including a delivery tube with a bent section, in which fluid flows from the fluid-containing tank to the fluid ejection unit through the container case. The shape of the bent section changes by the opening and closing of the container case.Type: ApplicationFiled: November 2, 2011Publication date: February 23, 2012Applicant: SEIKO EPSON CORPORATIONInventors: Tatsuro Osawa, Hiroyuki Sugimoto, Etsuo Tsuji, Masayuki Horikawa, Tsutomu Yamamoto
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Patent number: 8096645Abstract: A fluid ejection device ejecting a fluid, the fluid ejection device includes: a fluid ejection unit; a main chassis case; a fluid-containing pack; a container case; and a plurality of holders. The fluid ejection unit ejects a fluid onto an ejection target. The main chassis case houses the fluid ejection unit. The fluid-containing pack contains a fluid for ejection. The container case houses the fluid-containing pack. The plurality of holders is disposed inside the container case. Each of a plurality of holders includes an incline panel that inclines toward the inside base plane, and the fluid-containing pack rests on the incline panel.Type: GrantFiled: April 25, 2011Date of Patent: January 17, 2012Assignee: Seiko Epson CorporationInventors: Tatsuro Osawa, Hiroyuki Sugimoto, Etsuo Tsuji, Masayuki Horikawa, Tsutomu Yamamoto
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Patent number: 8091972Abstract: A fluid ejection device ejecting a fluid, the fluid ejection device includes: a fluid ejection unit; a main chassis case; a fluid-containing pack; a container case; and a plurality of holders. The fluid ejection unit ejects a fluid onto an ejection target. The main chassis case houses the fluid ejection unit. The fluid-containing pack contains a fluid for ejection. The container case houses the fluid-containing pack. The plurality of holders is disposed inside the container case. Each of a plurality of holders includes an incline panel that inclines toward the inside base plane, and the fluid-containing pack rests on the incline panel.Type: GrantFiled: April 25, 2011Date of Patent: January 10, 2012Assignee: Seiko Epson CorporationInventors: Tatsuro Osawa, Hiroyuki Sugimoto, Etsuo Tsuji, Masayuki Horikawa, Tsutomu Yamamoto
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Patent number: 8075108Abstract: A fluid ejection device ejecting a fluid, the fluid ejection device includes: a fluid ejection unit, a main chassis case, a fluid-containing pack, and a container case. The fluid ejection unit ejects a fluid onto an ejection target. The main chassis case houses the fluid ejection unit. The fluid-containing pack contains a fluid for ejection. The container case houses the fluid-containing pack. The container case is pivotably attached to the main chassis case and openable by rotation about a rotation shaft.Type: GrantFiled: June 19, 2008Date of Patent: December 13, 2011Assignee: Seiko Epson CorporationInventors: Tatsuro Osawa, Hiroyuki Sugimoto, Etsuo Tsuji, Masayuki Horikawa, Tsutomu Yamamoto
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Publication number: 20110199443Abstract: A fluid ejection device ejecting a fluid, the fluid ejection device includes: a fluid ejection unit; a main chassis case; a fluid-containing pack; a container case; and a plurality of holders. The fluid ejection unit ejects a fluid onto an ejection target. The main chassis case houses the fluid ejection unit. The fluid-containing pack contains a fluid for ejection. The container case houses the fluid-containing pack. The plurality of holders is disposed inside the container case. Each of a plurality of holders includes an incline panel that inclines toward the inside base plane, and the fluid-containing pack rests on the incline panel.Type: ApplicationFiled: April 25, 2011Publication date: August 18, 2011Applicant: SEIKO EPSON CORPORATIONInventors: Tatsuro OSAWA, Hiroyuki SUGIMOTO, Etsuo TSUJI, Masayuki HORIKAWA, Tsutomu YAMAMOTO
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Publication number: 20110192025Abstract: A fluid ejection device ejecting a fluid, the fluid ejection device includes: a fluid ejection unit; a main chassis case; a fluid-containing pack; a container case; and a plurality of holders. The fluid ejection unit ejects a fluid onto an ejection target. The main chassis case houses the fluid ejection unit. The fluid-containing pack contains a fluid for ejection. The container case houses the fluid-containing pack. The plurality of holders is disposed inside the container case. Each of a plurality of holders includes an incline panel that inclines toward the inside base plane, and the fluid-containing pack rests on the incline panel.Type: ApplicationFiled: April 25, 2011Publication date: August 11, 2011Applicant: SEIKO EPSON CORPORATIONInventors: Tatsuro OSAWA, Hiroyuki SUGIMOTO, Etsuo TSUJI, Masayuki HORIKAWA, Tsutomu YAMAMOTO
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Patent number: D830451Type: GrantFiled: November 29, 2016Date of Patent: October 9, 2018Assignee: SEIKO EPSON CORPORATIONInventors: Takashi Makino, Seiji Kimura, Yusuke Yamashita, Genta Kawabe, Shinichiro Yoshikawa, Etsuo Tsuji, Soichiro Kii