Patents by Inventor Tsukasa Ota

Tsukasa Ota 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: 20210221096
    Abstract: An accommodating body includes: a first accommodating body that has a first bottom portion; and a first buffering material that has a first pressure receiving surface coming into contact with an accommodated article accommodated in the first accommodating body and that has at least one first sheet-shaped web that contains fibers and a bonding material that bonds the fibers, and in which in the first sheet-shaped web, the fibers are oriented in a plane direction of the first sheet-shaped web, and the first buffering material is used in an orientation with which an end surface of the first sheet-shaped web serves as the first pressure receiving surface.
    Type: Application
    Filed: January 19, 2021
    Publication date: July 22, 2021
    Inventors: Tsukasa OTA, Hidehiro TAKANO, Satomi YOSHIOKA
  • Patent number: 11059313
    Abstract: Provided are a sheet processing device and a sheet manufacturing apparatus capable of removing color material from printed parts without excess or deficiency. A sheet processing device has a detector configured to detect a printed part printed on a sheet; and an eraser configured to selectively remove at least a surface part of a printed area including the printed part detected by the detector. The eraser includes a grinding tool to grind the sheet, and a pressure mechanism configured to selectively increase contact pressure between the sheet and the grinding tool in the printed area.
    Type: Grant
    Filed: November 23, 2018
    Date of Patent: July 13, 2021
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Tsukasa Ota, Toru Shinohara, Jun Takizawa
  • Patent number: 11019443
    Abstract: A speaker diaphragm includes a cone formed of a first material including first fibers derived from a plant and a first resin for binding the first fibers together, and an edge portion which is positioned at an outer peripheral portion of the cone and formed of a second material including a second resin, in which the cone and the edge portion are integrally formed. In addition, at least one of the content and the composition of the first resin and the second resin is different.
    Type: Grant
    Filed: August 28, 2019
    Date of Patent: May 25, 2021
    Assignee: Seiko Epson Corporation
    Inventors: Satomi Yoshioka, Hisashi Koike, Nobutaka Urano, Tsukasa Ota
  • Publication number: 20210113064
    Abstract: A bending operation mechanism of an endoscope including: a first pulley configured to pull a first wire by being rotated in a first rotation direction; a second pulley, which is coaxial with the first pulley, configured to pull a second wire by being rotated in a second rotation direction opposite to the first rotation direction; and a rotation shaft member including a first protrusion that engages only with the first engagement portion of the first pulley when the rotation shaft member is rotated in the first rotation direction from a neutral position when a bending portion is not bent and a second protrusion that engages only with the second engagement portion of the second pulley when the rotation shaft member is rotated in the second rotation direction from the neutral position.
    Type: Application
    Filed: November 12, 2020
    Publication date: April 22, 2021
    Applicant: OLYMPUS CORPORATION
    Inventors: Takuto YOSHINAGA, Tsukasa OTA, Xiongwei WANG
  • Publication number: 20210087727
    Abstract: Provided is a fiber structure including: cellulose fiber disposed such that a main fiber orientation direction is a first direction; and a crosslinking material that binds a plurality of the cellulose fibers to each other, in which the first direction forms an angle of equal to or less than 45 degrees with respect to a direction of an external force applied from an outside to a bottom surface.
    Type: Application
    Filed: September 18, 2020
    Publication date: March 25, 2021
    Inventors: Satomi YOSHIOKA, Tsukasa OTA, Hidehiro TAKANO, Kazuhiro ICHIKAWA, Akira ARAI, Satoru YANAGI
  • Publication number: 20210059506
    Abstract: A wire fixing structure includes: a first hole portion through which a wire passes; and a second hole portion which is formed in a direction orthogonal to the first hole portion and communicates with the first hole portion. The wire includes: a first portion which is inserted into and is disposed in the first hole portion; a second portion which is extended from the first hole portion and wound around the outer peripheral portion of a wire fixing member; and a third portion which is inserted into and is disposed in the first hole portion again after the second portion is wound around the outer peripheral portion. The fastening member is inserted into the second hole portion and fixes the first portion and the third portion by pressing in the first hole portion.
    Type: Application
    Filed: November 12, 2020
    Publication date: March 4, 2021
    Applicant: OLYMPUS CORPORATION
    Inventors: Xiongwei WANG, Tsukasa OTA, Takuto YOSHINAGA
  • Publication number: 20200367723
    Abstract: An operation section includes a pressing member, a stopper, a lever fixing member and, an exterior member. The lever fixing member is positioned with respect to the exterior member such that a projecting portion is continuously brought into contact with the exterior member when the lever fixing member is rotated, and a recessed portion which changes a contact state of the projecting portion with respect to the exterior member along with the rotation of the lever fixing member is formed in the exterior member.
    Type: Application
    Filed: June 19, 2020
    Publication date: November 26, 2020
    Applicant: OLYMPUS CORPORATION
    Inventors: Takuto YOSHINAGA, Tsukasa OTA, Xiongwei WANG
  • Publication number: 20200315426
    Abstract: An insertion apparatus includes: a tube in which a water feeding communication hole opens on an outer peripheral surface of the tube; a tube connector in which a water feeding branch conduit which allows an inner surface of a tube insertion hole to communicate with an outside is formed, and a second stopper portion which protrudes toward the inside of the tube insertion hole is formed; an O ring which is positioned by contacting with the second stopper portion; a spacer which is positioned by contacting with the O ring, and in which a communication hole which allows an inner surface side and an outer surface side of a wall portion to communicate with each other is formed; and an O ring which is positioned by contacting with the spacer.
    Type: Application
    Filed: June 22, 2020
    Publication date: October 8, 2020
    Applicant: OLYMPUS CORPORATION
    Inventors: Takuto YOSHINAGA, Tsukasa OTA, Xiongwei WANG
  • Publication number: 20200299879
    Abstract: A web structural body includes cellulose fibers and a binding material binding the cellulose fibers, and in the web structural body described above, a molten rate of the binding material at a surface of the web structural body is higher than a molten rate of the binding material at a center in a thickness direction of the web structural body.
    Type: Application
    Filed: March 20, 2020
    Publication date: September 24, 2020
    Inventor: Tsukasa OTA
  • Publication number: 20200253461
    Abstract: An endoscope apparatus includes: an endoscope including a first operation portion that is coupled to a first insertion portion to be inserted into a subject; a medical device including a second operation portion that is coupled to a second insertion portion to be inserted into the subject through the first insertion portion, the second operation portion including at least one locking member; and a belt-like body having flexibility and including at least three end portions in which at least one end portion includes a locked portion to be locked to the locking portion, the belt-like body being configured to be wound around the endoscope to hold and fix the second operation portion of the medical device in a state where the at least three end portions are connected to the second operation portion.
    Type: Application
    Filed: April 28, 2020
    Publication date: August 13, 2020
    Applicant: OLYMPUS CORPORATION
    Inventors: Xiongwei WANG, Tsukasa OTA, Takuto YOSHINAGA
  • Publication number: 20200245853
    Abstract: An endoscope system includes a mother endoscope, a baby endoscope and a fixing member. The mother endoscope includes a first insertion section, a first operation section, a treatment instrument insertion channel and an opening. The baby endoscope includes a second insertion section and a second operation section. The first operation section includes a projection portion. The second operation section includes a recess portion that is a recessed face formed such that at least part of the recessed face comes into face contact with a surface of the projection portion. The second operation section is fixed to the first operation section in a state where the recess portion is in contact with the surface of the projection portion.
    Type: Application
    Filed: April 22, 2020
    Publication date: August 6, 2020
    Applicant: OLYMPUS CORPORATION
    Inventors: Xiongwei WANG, Tsukasa OTA, Takuto YOSHINAGA
  • Publication number: 20200114594
    Abstract: A fiber molded article includes a material including fibers and a binder which bonds the fibers together and forms a first structure forming a shape which has a recess where an average drawing depth is 10 mm or more and 150 mm or less, in which a content of the binder in the material is 20% by weight or more and 40% by weight or less. In addition, the average fiber length of the fibers is preferably 0.5 mm or more and 2.0 mm or less.
    Type: Application
    Filed: October 15, 2019
    Publication date: April 16, 2020
    Inventors: Tsukasa OTA, Kazuhiro ICHIKAWA
  • Publication number: 20200077215
    Abstract: A vibration plate manufacturing device includes: a defibration unit which defibrates a material including fibers and generates a defibrated material formed of fibers having a fibril area of 0.5% to 2.0%; a mixing unit which mixes a binding material for binding the fibers to each other, into the defibrated material; a second web formation unit which accumulates a mixture mixed by the mixing unit; and a molding unit and a heating unit which perform a molding process including pressing and heating on the second web to obtain a molded product.
    Type: Application
    Filed: August 27, 2019
    Publication date: March 5, 2020
    Inventor: Tsukasa OTA
  • Publication number: 20200077217
    Abstract: A speaker diaphragm according to the present disclosure includes a cone formed of a first material including first fibers derived from a plant and a first resin for binding the first fibers together, and an edge portion which is positioned at an outer peripheral portion of the cone and formed of a second material including a second resin, in which the cone and the edge portion are integrally formed. In addition, at least one of the content and the composition of the first resin and the second resin is different.
    Type: Application
    Filed: August 28, 2019
    Publication date: March 5, 2020
    Inventors: Satomi YOSHIOKA, Hisashi KOIKE, Nobutaka URANO, Tsukasa OTA
  • Publication number: 20190291475
    Abstract: Provided are a sheet processing device and a sheet manufacturing apparatus capable of accurately processing by a processor at least the printed area of a sheet without excess or deficiency. The sheet processing device has: a conveyor configured to convey a sheet having a printed area that was previously printed; a position detector configured to detect a location of a specific part of the sheet being conveyed by the conveyor; a processor configured to execute a specific process on at least the printed area; a timing predictor configured to predict, based on a detection result from the position detector, the timing when the printed area will reach the processor; and a controller configured to control operation of the processor based on a prediction result of the timing predictor.
    Type: Application
    Filed: March 19, 2019
    Publication date: September 26, 2019
    Inventor: Tsukasa OTA
  • Patent number: 10406834
    Abstract: A sheet processing device, a sheet manufacturing apparatus, and a sheet processing method enable effectively removing the color material of printed parts. A sheet processing device for processing a printed sheets has a detector configured to detect the printed parts of the sheet; and a refining prevention agent applicator configured to selectively apply a refining prevention agent that prevents refinement of the sheet to a printed area including the printed parts detected by the detector.
    Type: Grant
    Filed: September 28, 2018
    Date of Patent: September 10, 2019
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Tatsuya Fujii, Takumi Sago, Tsukasa Ota, Satomi Yoshioka
  • Publication number: 20190232606
    Abstract: A sheet manufacturing apparatus includes: a web forming unit that includes a first depositing unit which forms a first web by depositing a first mixture containing fibers and a second depositing unit which forms a second web by depositing a second mixture containing fibers on the first web, and that forms a web for processing; and a processing unit that manufactures a sheet by performing processing including heating with respect to the web for processing formed by the web forming unit.
    Type: Application
    Filed: January 29, 2019
    Publication date: August 1, 2019
    Inventor: Tsukasa OTA
  • Publication number: 20190191965
    Abstract: An endoscope is provided with: a wire; a distal end nodal ring, in which the wire is arranged immediately below a first through hole including openings at predetermined positions on the inner circumferential face and an outer circumferential face of the distal end nodal ring; a distal end member including a small diameter portion arranged to be fitted in a distal end side inner circumferential face of the distal end nodal ring and a large diameter portion provided on a distal end side of the small diameter portion, the large diameter portion having a diameter larger than a diameter of the small diameter portion; an accommodating portion formed on an outer circumferential face side of the small diameter portion, the first end portion of the wire being accommodated in the accommodating portion; and a relief portion formed by the accommodating portion extending to the large diameter portion.
    Type: Application
    Filed: March 1, 2019
    Publication date: June 27, 2019
    Applicant: OLYMPUS CORPORATION
    Inventors: Tsukasa OTA, Yuka IDE
  • Publication number: 20190160847
    Abstract: Provided are a sheet processing device and a sheet manufacturing apparatus capable of removing color material from printed parts without excess or deficiency. A sheet processing device has a detector configured to detect a printed part printed on a sheet; and an eraser configured to selectively remove at least a surface part of a printed area including the printed part detected by the detector. The eraser includes a grinding tool to grind the sheet, and a pressure mechanism configured to selectively increase contact pressure between the sheet and the grinding tool in the printed area.
    Type: Application
    Filed: November 23, 2018
    Publication date: May 30, 2019
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Tsukasa OTA, Toru SHINOHARA, Jun TAKIZAWA
  • Publication number: 20190100040
    Abstract: A sheet processing device, a sheet manufacturing apparatus, and a sheet processing method enable effectively removing the color material of printed parts. A sheet processing device for processing a printed sheets has a detector configured to detect the printed parts of the sheet; and a refining prevention agent applicator configured to selectively apply a refining prevention agent that prevents refinement of the sheet to a printed area including the printed parts detected by the detector.
    Type: Application
    Filed: September 28, 2018
    Publication date: April 4, 2019
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Tatsuya FUJII, Takumi SAGO, Tsukasa OTA, Satomi YOSHIOKA