Patents by Inventor Yasuo Naramatsu
Yasuo Naramatsu 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: 20230294420Abstract: A drying device includes a support unit, a heating unit, and a control unit. The heating unit includes a duct, which has a blowing outlet, a suction inlet, and an air port and includes an air flow path, a heating section, a blower, and a first adjustment unit capable of adjusting an amount of air flowing into the air flow path from an outside of the duct through the air port. The control unit is capable of executing a first mode in which the first adjustment unit is controlled to adjust the amount of air in a state in which the heating section performs heating and a second mode in which the first adjustment unit is controlled to cause the amount of air to be more than the amount of air in the first mode in a state in which heating by the heating section is stopped.Type: ApplicationFiled: February 13, 2023Publication date: September 21, 2023Inventors: Yasuo Naramatsu, Naotoshi Yanagidaira
-
Patent number: 11602938Abstract: A printing apparatus includes a transport unit configured to transport a medium in a transport direction, a printing unit configured to perform printing on the medium transported by the transport unit and supported by a platen, a downstream guiding unit as a medium guiding unit having a guide surface for guiding the medium downstream in the transport direction from the platen, a heating unit disposed at a position facing the guide surface, and configured to heat the medium, and a spacer provided above the guide surface, and configured to separate the medium from the guide surface.Type: GrantFiled: December 22, 2021Date of Patent: March 14, 2023Assignee: Seiko Epson CorporationInventors: Yuki Aoki, Tomohiro Yoda, Yasuo Naramatsu, Shuichiro Nakano
-
Patent number: 11383944Abstract: A medium conveying device includes a driving roller configured to apply a driving force to a medium to convey the medium, a first driven roller configured to press the medium toward the driving roller, and a second driven roller arranged upstream of the first driven roller in a conveying direction of the medium, and that is configured to contact the medium entirely in an intersecting direction intersecting the conveying direction to press the medium toward the driving roller, wherein a contact portion of the second driven roller contacting the medium includes a material configured to adsorb a plasticizer of the medium, and a pressing force of the second driven roller is weaker than a pressing force of the first driven roller.Type: GrantFiled: September 25, 2019Date of Patent: July 12, 2022Assignee: Seiko Epson CorporationInventor: Yasuo Naramatsu
-
Publication number: 20220203715Abstract: A printing apparatus includes a transport unit configured to transport a medium in a transport direction, a printing unit configured to perform printing on the medium transported by the transport unit and supported by a platen, a downstream guiding unit as a medium guiding unit having a guide surface for guiding the medium downstream in the transport direction from the platen, a heating unit disposed at a position facing the guide surface, and configured to heat the medium, and a spacer provided above the guide surface, and configured to separate the medium from the guide surface.Type: ApplicationFiled: December 22, 2021Publication date: June 30, 2022Inventors: Yuki AOKI, Tomohiro YODA, Yasuo NARAMATSU, Shuichiro NAKANO
-
Publication number: 20210362516Abstract: A heating device includes a heating unit configured to heat a medium in a non-contact manner, a reflector configured to reflect heat rays of the heating unit toward the medium, a flow path member including a gas flow path disposed between a suction port and an outlet, an air blowing unit configured to generate an air flow so that gas is sucked from the suction port and is blown out from the outlet, a first cutting unit configured to stop a current to the heating unit when a temperature reaches a predetermined temperature, and a second cutting unit configured to stop the current to the heating unit when a temperature reaches a predetermined temperature. The first cutting unit is disposed in the gas flow path, located in the vertically upward direction with respect to the heating unit. The second cutting unit is in contact with the reflector.Type: ApplicationFiled: May 17, 2021Publication date: November 25, 2021Inventors: Tomohiro YODA, Yasuo NARAMATSU
-
Publication number: 20200095079Abstract: A medium conveying device includes a driving roller configured to apply a driving force to a medium to convey the medium, a first driven roller configured to press the medium toward the driving roller, and a second driven roller arranged upstream of the first driven roller in a conveying direction of the medium, and that is configured to contact the medium entirely in an intersecting direction intersecting the conveying direction to press the medium toward the driving roller, wherein a contact portion of the second driven roller contacting the medium includes a material configured to adsorb a plasticizer of the medium, and a pressing force of the second driven roller is weaker than a pressing force of the first driven roller.Type: ApplicationFiled: September 25, 2019Publication date: March 26, 2020Inventor: Yasuo NARAMATSU
-
Patent number: 10328714Abstract: A printing apparatus includes a printing unit that performs printing on a medium transported in a transport direction, a heating unit located downstream of the printing unit in the transport direction and configured to heat the medium, and a control unit that executes a printing operation including printing an image on the medium according to a printing instruction inputted. The control unit is configured to, when the printing operation on the medium according to an Nth (N=an integer not smaller than 1) printing instruction is finished, and then a standby operation, including waiting for a start of the printing operation on the medium according to an (N+1)th printing instruction, is performed, continue to transport the medium during the standby operation.Type: GrantFiled: February 1, 2018Date of Patent: June 25, 2019Assignee: SEIKO EPSON CORPORATIONInventors: Kiyotaka Ogura, Yasuo Naramatsu
-
Publication number: 20180222210Abstract: A printing apparatus includes a printing unit that performs printing on a medium transported in a transport direction, a heating unit located downstream of the printing unit in the transport direction and configured to heat the medium, and a control unit that executes a printing operation including printing an image on the medium according to a printing instruction inputted. The control unit is configured to, when the printing operation on the medium according to an Nth (N=an integer not smaller than 1) printing instruction is finished, and then a standby operation, including waiting for a start of the printing operation on the medium according to an (N+1)th printing instruction, is performed, continue to transport the medium during the standby operation.Type: ApplicationFiled: February 1, 2018Publication date: August 9, 2018Applicant: Seiko Epson CorporationInventors: Kiyotaka Ogura, Yasuo Naramatsu
-
Patent number: 9821570Abstract: A medium heating device includes a heater that heats a medium, and a medium support member that supports a target heating portion, which is a portion that is heated by the heater in the medium, in which the medium support member has a first component portion that is formed so that a space is provided between the medium and the first component portion when the medium is supported, and a second component portion that is in contact with the medium when the medium is supported.Type: GrantFiled: January 21, 2014Date of Patent: November 21, 2017Assignee: Seiko Epson CorporationInventors: Yasuo Naramatsu, Masahiro Akamine
-
Patent number: 9611116Abstract: A medium transport device is provided. The medium transport device includes a transporting portion that transports a medium in a transport direction, a winding portion that winds the medium, and a friction member that suppresses displacement of the medium in a cross direction with the transport direction. The displacement in the cross direction is suppressed by causing the friction member to contact the medium. A contact state of the medium with the friction member is changed in accordance with a winding mode in which the medium transported by the transporting portion is wound around the winding portion, and a non-winding mode in which the medium transported by the transporting portion is not wound around the winding portion.Type: GrantFiled: January 8, 2014Date of Patent: April 4, 2017Assignee: Seiko Epson CorporationInventors: Tsuneyuki Sasaki, Yasuo Naramatsu
-
Patent number: 9302503Abstract: A recording apparatus includes a recording head which discharges ink onto a recording medium; a heater which dries the ink discharged on the recording medium by the recording head without making contact with the recording medium; and a transport belt which supports the recording medium in a transportable manner in a position in which it is at least possible to dry a portion of the recording medium on which the ink is discharged using the heater. The transport belt includes a plurality of protruding portions, which can make contact with the recording medium, and a contact area between a contact portion of the protruding portion in relation to the recording medium, and the recording medium is 0.3 mm2 or less.Type: GrantFiled: March 10, 2014Date of Patent: April 5, 2016Assignee: Seiko Epson CorporationInventors: Tsuneyuki Sasaki, Eiji Kumai, Yasuo Naramatsu, Masahiro Akamine
-
Patent number: 9145278Abstract: A medium transportation device includes a transportation section that transports a recording medium in a transport direction; a winding section that winds the recording medium transported by the transportation section; and a medium support section that is disposed between the transportation section and the winding section and has a medium support section supporting the recording medium. The medium support section has a support sliding section including a first surface and a second surface. A coefficient of friction of the first surface with the recording medium is greater than a coefficient of friction of the medium support surface with the recording medium and a coefficient of friction of the second surface with the recording medium is lower than the coefficient of friction of the first surface with the recording medium.Type: GrantFiled: January 27, 2014Date of Patent: September 29, 2015Assignee: Seiko Epson CorporationInventors: Tsuneyuki Sasaki, Yasuo Naramatsu
-
Patent number: 9085174Abstract: A recording apparatus that includes a condensation guide portion is provided. The recording apparatus includes a recording head that discharges ink onto a recording medium, a heater that dries the ink discharged on the recording medium by the recording head without making contact with the recording medium, a medium supporting portion provided with an opening portion which allows vapor that evaporates from the ink due to the heater to pass therethrough, and a condensation guide portion which causes the vapor that passes through the opening portion to condense and thereby prevent the recording medium from being wetted by the condensed vapor.Type: GrantFiled: March 5, 2014Date of Patent: July 21, 2015Assignee: Seiko Epson CorporationInventors: Tsuneyuki Sasaki, Eiji Kumai, Yasuo Naramatsu, Masahiro Akamine
-
Patent number: 8985760Abstract: A recording medium after printing which is discharged from a main body of a printer is guided from the main body to a support surface of a discharge support portion extending to a lower anterior side, and is wound as a roll body by a winding unit in a path that passes a tension roller. A tape-shaped elastic member is fixed on an end portion of a downstream side in a transport direction of the discharge support portion so as to extend in a width direction. An elastic friction surface is formed on the end portion of the downstream side in the transport direction of the support surface. A friction coefficient between the elastic friction surface and the recording medium is higher than the friction coefficient between a portion at an upstream side in the transport direction from the elastic friction surface in the support surface and the recording medium.Type: GrantFiled: March 25, 2013Date of Patent: March 24, 2015Assignee: Seiko Epson CorporationInventors: Yasuo Naramatsu, Tsuneyuki Sasaki, Eiji Kumai
-
Patent number: 8967795Abstract: A printing apparatus includes a transfer device that transfers a printing medium in a transfer direction, a platen having a support surface that supports the printing medium thereon, a liquid ejection head that ejects an ink onto the printing medium on the support surface, and a heating device that heats the printing medium. The transfer device includes a plurality of driven rollers. The support surface of the platen has a plurality of suction holes that suck the printing medium on the support surface. The support surface includes first portion extending in the transfer direction corresponding to extension lines extending in the transport direction from the portions between each driven roller, and second portions other than the first portions. The first portions are high-density regions where the suction holes are arranged at high density, and the second portions are low-density regions where the suction holes are arranged at low density.Type: GrantFiled: October 31, 2013Date of Patent: March 3, 2015Assignee: Seiko Epson CorporationInventors: Tsuneyuki Sasaki, Yasuo Naramatsu
-
Publication number: 20140285601Abstract: A recording apparatus that includes a condensation guide portion is provided. The recording apparatus includes a recording head that discharges ink onto a recording medium, a heater that dries the ink discharged on the recording medium by the recording head without making contact with the recording medium, a medium supporting portion provided with an opening portion which allows vapor that evaporates from the ink due to the heater to pass therethrough, and a condensation guide portion which causes the vapor that passes through the opening portion to condense and thereby prevent the recording medium from being wetted by the condensed vapor.Type: ApplicationFiled: March 5, 2014Publication date: September 25, 2014Applicant: SEIKO EPSON CORPORATIONInventors: Tsuneyuki SASAKI, Eiji KUMAI, Yasuo NARAMATSU, Masahiro AKAMINE
-
Publication number: 20140285602Abstract: A recording apparatus includes a recording head which discharges ink onto a recording medium; a heater which dries the ink discharged on the recording medium by the recording head without making contact with the recording medium; and a transport belt which supports the recording medium in a transportable manner in a position in which it is at least possible to dry a portion of the recording medium on which the ink is discharged using the heater. The transport belt includes a plurality of protruding portions, which can make contact with the recording medium, and a contact area between a contact portion of the protruding portion in relation to the recording medium, and the recording medium is 0.3 mm2 or less.Type: ApplicationFiled: March 10, 2014Publication date: September 25, 2014Applicant: SEIKO EPSON CORPORATIONInventors: Tsuneyuki SASAKI, Eiji KUMAI, Yasuo NARAMATSU, Masahiro AKAMINE
-
Publication number: 20140218423Abstract: A medium transportation device includes a transportation section that transports a recording medium in a transport direction; a winding section that winds the recording medium transported by the transportation section; and a medium support section that is disposed between the transportation section and the winding section and has a medium support section supporting the recording medium. The medium support section has a support sliding section including a first surface and a second surface. A coefficient of friction of the first surface with the recording medium is greater than a coefficient of friction of the medium support surface with the recording medium and a coefficient of friction of the second surface with the recording medium is lower than the coefficient of friction of the first surface with the recording medium.Type: ApplicationFiled: January 27, 2014Publication date: August 7, 2014Applicant: SEIKO EPSON CORPORATIONInventors: Tsuneyuki SASAKI, Yasuo NARAMATSU
-
Publication number: 20140205959Abstract: A medium heating device includes a heater that heats a medium, and a medium support member that supports a target heating portion, which is a portion that is heated by the heater in the medium, in which the medium support member has a first component portion that is formed so that a space is provided between the medium and the first component portion when the medium is supported, and a second component portion that is in contact with the medium when the medium is supported.Type: ApplicationFiled: January 21, 2014Publication date: July 24, 2014Applicant: Seiko Epson CorporationInventors: Yasuo NARAMATSU, Masahiro AKAMINE
-
Publication number: 20140197267Abstract: A medium transport device is provided. The medium transport device includes a transporting portion that transports a medium in a transport direction, a winding portion that winds the medium, and a friction member that suppresses displacement of the medium in a cross direction with the transport direction. The displacement in the cross direction is suppressed by causing the friction member to contact the medium. A contact state of the medium with the friction member is changed in accordance with a winding mode in which the medium transported by the transporting portion is wound around the winding portion, and a non-winding mode in which the medium transported by the transporting portion is not wound around the winding portion.Type: ApplicationFiled: January 8, 2014Publication date: July 17, 2014Applicant: Seiko Epson CorporationInventors: Tsuneyuki SASAKI, Yasuo NARAMATSU