Patents by Inventor Tatsuro Osawa
Tatsuro Osawa 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: 8864290Abstract: A fluid ejection device includes a fluid ejection unit that ejects a fluid onto an ejection target; a main chassis case that includes a platen disposed in a area for ejecting the fluid by the fluid ejection unit; a container case for containing a pack, the pack containing a fluid for ejection, wherein the container case is pivotably attached to the main chassis case and openable by rotation about a rotation shaft; and a delivery tube that delivers the fluid from the pack to the fluid ejection unit.Type: GrantFiled: August 19, 2013Date of Patent: October 21, 2014Assignee: Seiko Epson CorporationInventors: Tatsuro Osawa, Hiroyuki Sugimoto
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Publication number: 20130335491Abstract: A fluid ejection device includes a fluid ejection unit that ejects a fluid onto an ejection target; a main chassis case that includes a platen disposed in a area for ejecting the fluid by the fluid ejection unit; a container case for containing a pack, the pack containing a fluid for ejection, wherein the container case is pivotably attached to the main chassis case and openable by rotation about a rotation shaft; and a delivery tube that delivers the fluid from the pack to the fluid ejection unit.Type: ApplicationFiled: August 19, 2013Publication date: December 19, 2013Applicant: Seiko Epson CorporationInventors: Tatsuro Osawa, Hiroyuki Sugimoto
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Patent number: 8534806Abstract: A fluid ejection device ejecting a fluid, the fluid ejection device includes: a fluid container; a fluid ejection unit; a delivery needle; a guard cover; and a guide. The fluid container includes a container portion and a withdrawal portion. The container portion contains a fluid for ejection, and the withdrawal portion allows withdrawal of the fluid contained in the container portion. The fluid ejection unit ejects a fluid onto an ejection target. The delivery needle provides a flow passage which communicates with the fluid ejection unit. The guard cover projects over the delivery needle. The guide mates with the fluid container, and then slidably guides the withdrawal portion toward a locking position where the delivery needle sticks through the withdrawal portion.Type: GrantFiled: June 19, 2008Date of Patent: September 17, 2013Assignee: Seiko Epson CorporationInventors: Tatsuro Osawa, Hiroyuki Sugimoto
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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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Patent number: 8136929Abstract: A fluid ejection device ejecting a fluid, the fluid ejection device includes: a fluid ejection unit; a fluid container; a delivery needle; and a guard cover. The fluid ejection unit ejects a fluid onto an ejection target. The fluid container includes a container portion and a withdrawal portion. The container portion contains a fluid for ejection, and the withdrawal portion allows withdrawal of the fluid contained in the container portion. The delivery needle sticks through the withdrawal portion to provide a flow passage which communicates with the fluid ejection unit. The guard cover projects over the delivery needle to prevent the withdrawal portion from approaching the delivery needle from a direction intersecting a center axis of the delivery needle.Type: GrantFiled: June 19, 2008Date of Patent: March 20, 2012Assignee: Seiko Epson CorporationInventors: Tatsuro Osawa, Hiroyuki Sugimoto
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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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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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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: 7959268Abstract: 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: June 19, 2008Date of Patent: June 14, 2011Assignee: Seiko Epson CorporationInventors: Tatsuro Osawa, Hiroyuki Sugimoto, Etsuo Tsuji, Masayuki Horikawa, Tsutomu Yamamoto
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Patent number: 7720400Abstract: An image forming apparatus comprises: a latent image carrier which carries an electrostatic latent image; a developing unit which visualizes with toner the electrostatic latent image carried by the latent image carrier and forms a toner image; an intermediate transfer medium to which the toner image is transferred from the latent image carrier and which rotates and transports the toner image to a predetermined transfer position and transfers the toner image to a recording medium; a cleaner which abuts on the surface of the intermediate transfer medium and removes toner which adheres to the surface of the intermediate transfer medium after the transfer to the recording medium; and a controller which, assuming that the direction which is orthogonal to the travel direction in which the intermediate transfer medium moves is a width direction, executes toner accumulating processing during which predetermined toner images are formed as end patch images in end areas of the surface of the intermediate transfer mediumType: GrantFiled: June 27, 2006Date of Patent: May 18, 2010Assignee: Seiko Epson CorporationInventors: Keiichi Taguchi, Masahiro Maeda, Tatsuro Osawa
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Publication number: 20090002431Abstract: A fluid ejection device ejecting a fluid, the fluid ejection device includes: a fluid ejection unit; a fluid container; a delivery needle; and a guard cover. The fluid ejection unit ejects a fluid onto an ejection target. The fluid container includes a container portion and a withdrawal portion. The container portion contains a fluid for ejection, and the withdrawal portion allows withdrawal of the fluid contained in the container portion. The delivery needle sticks through the withdrawal portion to provide a flow passage which communicates with the fluid ejection unit. The guard cover projects over the delivery needle to prevent the withdrawal portion from approaching the delivery needle from a direction intersecting a center axis of the delivery needle.Type: ApplicationFiled: June 19, 2008Publication date: January 1, 2009Applicant: SEIKO EPSON CORPORATIONInventors: Tatsuro OSAWA, Hiroyuki Sugimoto
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Publication number: 20080316283Abstract: A fluid ejection device ejecting a fluid, the fluid ejection device includes: a fluid container; a fluid ejection unit; a delivery needle; a guard cover; and a guide. The fluid container includes a container portion and a withdrawal portion. The container portion contains a fluid for ejection, and the withdrawal portion allows withdrawal of the fluid contained in the container portion. The fluid ejection unit ejects a fluid onto an ejection target. The delivery needle provides a flow passage which communicates with the fluid ejection unit. The guard cover projects over the delivery needle. The guide mates with the fluid container, and then slidably guides the withdrawal portion toward a locking position where the delivery needle sticks through the withdrawal portion.Type: ApplicationFiled: June 19, 2008Publication date: December 25, 2008Applicant: SEIKO EPSON CORPORATIONInventors: Tatsuro OSAWA, Hiroyuki Sugimoto
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Publication number: 20080316284Abstract: 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: June 19, 2008Publication date: December 25, 2008Applicant: Seiko Epson CorporationInventors: Tatsuro OSAWA, Hiroyuki Sugimoto, Etsuo Tsuji, Masayuki Horikawa, Tsutomu Yamamoto
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Publication number: 20080316282Abstract: 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: June 19, 2008Publication date: December 25, 2008Applicant: SEIKO EPSON CORPORATIONInventors: Tatsuro Osawa, Hiroyuki Sugimoto, Etsuo Tsuji, Masayuki Horikawa, Tsutomo Yamamoto
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Patent number: 7463859Abstract: A transfer device includes a pair of transfer frames, a belt member, a pair of transfer roller levers which are respectively arranged on inner sides of the transfer frames pivotably, a transfer roller which is provided between first ends of the transfer roller levers rotatably, a pair of first urging members, which are respectively provided on second ends of the transfer roller levers to energize the transfer roller toward the belt member, and a pair of transfer pressure controlling members which are respectively provided on the transfer frames movably to control urging power of the first urging members.Type: GrantFiled: September 12, 2006Date of Patent: December 9, 2008Assignee: Seiko Epson CorporationInventors: Hiroshi Ito, Hiroshi Ue, Saburo Furukawa, Shigeo Fujita, Toshihiko Yamazaki, Tatsuro Osawa