Patents by Inventor Takuya Toyooka
Takuya Toyooka 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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Publication number: 20240138655Abstract: An endoscope includes an insertion portion, an operation portion, and a fitting mechanism coupling the insertion portion and the operation portion so as to be decouplable. The fitting mechanism includes a plate portion and a convex portion, and a fitted-shape portion and a hole. The convex portion is fitted to the fitted-shape portion. The hole exposes at least one of the plate portion or the convex portion to outside. The fitting mechanism is provided at a position around a center axis, corresponding to a bending wire.Type: ApplicationFiled: October 26, 2023Publication date: May 2, 2024Applicant: OLYMPUS MEDICAL SYSTEMS CORP.Inventors: Yasuaki KASAI, Takuya TOYOOKA
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Patent number: 11925324Abstract: An insertion apparatus includes: a base member, a rotary shaft, and a driven member including a hole. A plurality of concave portions are formed on the rotary shaft, and a pair of side wall surfaces which form each of the plurality of concave portions are disposed so as to intersect with each other at a right angle or at an obtuse angle.Type: GrantFiled: July 21, 2020Date of Patent: March 12, 2024Assignee: OLYMPUS CORPORATIONInventors: Akihiro Kato, Takuya Toyooka, Fumitoshi Hayakawa
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Publication number: 20230277039Abstract: An endoscope including an insertion portion including a distal end structure and an active bending section, an image sensor located in the distal end structure, and the image sensor has an optical axis in a first direction, and the first direction intersects a central longitudinal axis of the distal end structure, a treatment instrument channel located in the distal end structure and adjacent the image sensor, and a distal end opening of the treatment instrument channel opens in a second direction, and the second direction intersects the central longitudinal axis, and a suction channel located in the distal end structure, wherein a distal end opening of the suction channel opens in a third direction, and the third direction is different from the second direction.Type: ApplicationFiled: March 2, 2023Publication date: September 7, 2023Applicant: OLYMPUS MEDICAL SYSTEMS CORP.Inventors: Masahiro ASHIZUKA, Takuya TOYOOKA
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Publication number: 20230226239Abstract: An endoscope includes an insertion section, a channel, a raising base and a sterilizing device. The insertion section includes a distal end portion, and the distal end portion includes a recess. The channel is disposed in the insertion section, the channel communicating with the recess and the channel configured to receive a treatment instrument. The raising base is disposed in the recess, the raising base configured to guide the treatment instrument to protrude from the recess. The sterilizing device is disposed in the distal end portion, the sterilizing device configured to sterilize one or more of the channel and the recess and the raising base.Type: ApplicationFiled: December 27, 2022Publication date: July 20, 2023Applicant: OLYMPUS MEDICAL SYSTEMS CORP.Inventors: Akira OZAKI, Takuya TOYOOKA, Keita OZAWA
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Publication number: 20200352421Abstract: An insertion apparatus includes: a base member, a rotary shaft, and a driven member including a hole. A plurality of concave portions are formed on the rotary shaft, and a pair of side wall surfaces which form each of the plurality of concave portions are disposed so as to intersect with each other at a right angle or at an obtuse angle.Type: ApplicationFiled: July 21, 2020Publication date: November 12, 2020Applicant: OLYMPUS CORPORATIONInventors: Akihiro KATO, Takuya TOYOOKA, Fumitoshi HAYAKAWA
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Publication number: 20200352426Abstract: A cleaning tool for endoscope that cleans and disinfects a distal end constituent member provided in a distal end portion in an insertion section in an endoscope includes two components, and is configured to cover an entire periphery of the distal end constituent member by combining the two components, in which the two components are respectively provided with hinges configured to make the two components openable and closable by connecting the two components to each other, the hinge being configured to be separated from each other when an opening angle between the two components exceeds a predetermined angle.Type: ApplicationFiled: July 23, 2020Publication date: November 12, 2020Applicant: OLYMPUS CORPORATIONInventors: Takuya TOYOOKA, Tomokazu IWASAKI
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Patent number: 10188267Abstract: A distal end structure of an endoscope includes: an opening of a treatment instrument insertion channel formed on a distal end of an insertion portion in the endoscope and including an opening having a long side and a short side; a first wall portion extending in a longitudinal direction so as to face the opening, at the distal end; and a second wall portion facing the first wall portion in a short side direction so as to sandwich the opening and extending in the long side direction, at the distal end, wherein a first end surface in the first wall portion and a second end surface in the second wall portion are inclined such that inclination directions in the longitudinal axis direction are opposite to each other.Type: GrantFiled: November 3, 2016Date of Patent: January 29, 2019Assignee: OLYMPUS CORPORATIONInventor: Takuya Toyooka
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Publication number: 20170049300Abstract: A distal end structure of an endoscope includes: an opening of a treatment instrument insertion channel formed on a distal end of an insertion portion in the endoscope and including an opening having a long side and a short side; a first wall portion extending in a longitudinal direction so as to face the opening, at the distal end; and a second wall portion facing the first wall portion in a short side direction so as to sandwich the opening and extending in the long side direction, at the distal end, wherein a first end surface in the first wall portion and a second end surface in the second wall portion are inclined such that inclination directions in the longitudinal axis direction are opposite to each other.Type: ApplicationFiled: November 3, 2016Publication date: February 23, 2017Applicant: OLYMPUS CORPORATIONInventor: Takuya TOYOOKA
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Patent number: 5860050Abstract: A developer carrying member includes a substrate, the surface of which is covered with a conducting layer. The conducting layer contains a binder resin and conducting spherical particles dispersed therein having a number average particle diameter of from 0.3 .mu.m to 30 .mu.m and a true density of 3 g/cm.sup.3 or below.Type: GrantFiled: June 27, 1997Date of Patent: January 12, 1999Assignee: Canon Kabushiki KaishaInventors: Masayoshi Shimamura, Yasuhide Goseki, Kenji Fujishima, Michiko Orihara, Kazunori Saiki, Mayoko Maruyama, Takuya Toyooka