Patents by Inventor Takashi Kunisada
Takashi Kunisada 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: 20240123198Abstract: A balloon has an inflatable portion that forms a tube shape extending in an extending direction in an inflated state, a distal end connecting portion provided to an end portion of the inflatable portion on one side thereof, and a proximal end connecting portion provided to an end portion of the inflatable portion on the other side thereof. At least the inflatable portion includes a plurality of first portions that forms wings in the deflated state and a plurality of second portions that is adjacent to the plurality of first portions in a circumferential direction centered on the center axis. In the process of changing shape from the inflated state to the deflated state, the plurality of second portions moves towards the center axis in advance of the plurality of first portions and thereby forms, in the inflatable portion, indentations recessed toward the center axis.Type: ApplicationFiled: December 21, 2023Publication date: April 18, 2024Inventors: Mitsumasa Okamoto, Yuta Nakamura, Shuhel Yamamoto, Shoma Kondo, Shizuya Yoshinaga, Takashi Kunisada
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Patent number: 11679242Abstract: A balloon catheter includes a balloon that is formed of film and includes an inflation/deflation portion. The inflation/deflation portion includes a plurality of linear projections that projects in a thickness direction of the film and extends along a surface of the film. One of the linear projections is an inner projection that projects inside the balloon.Type: GrantFiled: December 30, 2020Date of Patent: June 20, 2023Assignee: GOODMAN CO., LTD.Inventors: Mitsumasa Okamoto, Takashi Kunisada
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Publication number: 20220096804Abstract: A balloon catheter includes an inflatable balloon disposed on a tip-end side of the balloon catheter. A linear part of an outer surface of the inflatable balloon extends linearly in an axial direction of the inflatable balloon, the linear part has a notch at an intermediate position in a length direction of the linear part, and the notch opens in a direction intersecting the length direction.Type: ApplicationFiled: December 10, 2021Publication date: March 31, 2022Applicant: GOODMAN CO., LTD.Inventors: Mitsumasa Okamoto, Mitsuhiro Ota, Soichiro Fujisawa, Masahiko Ohara, Keitaro Horiba, Takashi Kunisada
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Publication number: 20210113820Abstract: A balloon catheter includes an inflatable balloon disposed on a tip-end side of the balloon catheter. The balloon includes: an inflatable straight tube portion; and a tip-end side tapered portion tapered from a tip end of the straight tube portion toward the tip-end side. The balloon catheter further includes a plurality of projections that projects from an outer surface of the balloon and linearly extends along the outer surface. The plurality of projections includes: a first projection disposed at the straight tube portion; and a second projection disposed at the tip-end side tapered portion. At least a part of the second projection in a longitudinal direction thereof includes a high projecting part having a larger projection amount than a projection amount of the first projection.Type: ApplicationFiled: December 30, 2020Publication date: April 22, 2021Applicant: GOODMAN CO., LTD.Inventors: Mitsumasa Okamoto, Takashi Kunisada
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Publication number: 20210113821Abstract: A balloon catheter includes a balloon that is formed of film and includes an inflation/deflation portion. The inflation/deflation portion includes a plurality of linear projections that projects in a thickness direction of the film and extends along a surface of the film. One of the linear projections is an inner projection that projects inside the balloon.Type: ApplicationFiled: December 30, 2020Publication date: April 22, 2021Applicant: Goodman Co., Ltd.Inventors: Mitsumasa Okamoto, Takashi Kunisada
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Patent number: 10975933Abstract: A power transmission belt (B) has a reinforcing fabric (13) covering a pulley contact surface thereof. A cover layer (15) adheres to the reinforcing fabric (13) to cover surfaces of fibers or yarns constituting the reinforcing fabric (13), and is exposed outside. The cover layer (15) contains crosslinked polyolefin particles (16) in which polyolefin molecules are crosslinked with each other.Type: GrantFiled: December 20, 2019Date of Patent: April 13, 2021Assignee: BANDO CHEMICAL INDUSTRIES, LTD.Inventor: Takashi Kunisada
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Publication number: 20200124136Abstract: A power transmission belt (B) has a reinforcing fabric (13) covering a pulley contact surface thereof. A cover layer (15) adheres to the reinforcing fabric (13) to cover surfaces of fibers or yarns constituting the reinforcing fabric (13), and is exposed outside. The cover layer (15) contains crosslinked polyolefin particles (16) in which polyolefin molecules are crosslinked with each other.Type: ApplicationFiled: December 20, 2019Publication date: April 23, 2020Inventor: Takashi KUNISADA
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Patent number: 9568073Abstract: A belt attachment jig includes a jig body (10) located along a side surface of a pulley (1), and a belt guide portion (15) which protrudes forward in the pulley rotational direction from a contact portion (11) near one end of the jig body (10). The belt (B) is held between the twisting preventing plate (12) which forms the other end of the jig body (10) and the side surface of the jig-attached pulley (1) such that an inner circumferential surface of the belt (B) faces the jig-attached pulley (1). As the pulley (1) is rotated, the belt attachment jig is moved in the pulley rotational direction together with the belt (B) in a manner that makes the belt (B) fitted in the pulley groove.Type: GrantFiled: June 15, 2011Date of Patent: February 14, 2017Assignee: BANDO CHEMICAL INDUSTRIES, LTD.Inventors: Takashi Kunisada, Takemasa Yoshimi
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Patent number: 9109661Abstract: A belt detachment preventing jig (J1) is used for wrapping a belt around a crank pulley and a compressor pulley, each having a pulley groove, in a tight belt tension by having the belt fitted to the pulley groove of the crank pulley, with the belt looped over the compressor pulley, to prevent the belt from being detached from a belt-entering side of the compressor pulley. The belt detachment preventing jig (J1) is includes a fitting groove (11a) positioned on an outer side surface of a pulley flange of the compressor pulley, and configured to be slidably fitted to the pulley flange of the pulley, and a notch (10b) configured to be fitted to the pulley flange of the crank pulley and prevent the jig (J1) from being driven into rotation by a rotation movement of the compressor pulley.Type: GrantFiled: August 31, 2011Date of Patent: August 18, 2015Assignee: Bando Chemical Industries, Ltd.Inventor: Takashi Kunisada
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Patent number: 9009936Abstract: A belt attachment jig includes a jig body positioned such that a side surface faces a side surface of a pulley, and a belt guide portion located at one end of the side surface of the jig body and protruding along a circumference of the pulley, and having, in a surface on a base side, a holding surface for holding a belt. The belt guide portion being configured to guide the belt onto the holding surface and lead the belt out to a lateral side of the pulley, when fitted in a pulley groove of the pulley. The holding surface has a top at a portion on a side closer to the jig body, and is tilted obliquely downward in radial directions from the top and is curved in an inverted U shape along a lead-out direction of the belt so that an inner circumferential surface of the belt faces the jig body.Type: GrantFiled: March 22, 2014Date of Patent: April 21, 2015Assignee: Bando Chemical Industries, Ltd.Inventors: Takashi Kunisada, Hideaki Kawahara
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Publication number: 20140274509Abstract: A belt attachment jig includes a jig body positioned such that a side surface faces a side surface of a pulley, and a belt guide portion located at one end of the side surface of the jig body and protruding along a circumference of the pulley, and having, in a surface on a base side, a holding surface for holding a belt. The belt guide portion being configured to guide the belt onto the holding surface and lead the belt out to a lateral side of the pulley, when fitted in a pulley groove of the pulley. The holding surface has a top at a portion on a side closer to the jig body, and is tilted obliquely downward in radial directions from the top and is curved in an inverted U shape along a lead-out direction of the belt so that an inner circumferential surface of the belt faces the jig body.Type: ApplicationFiled: March 22, 2014Publication date: September 18, 2014Applicant: BANDO CHEMICAL INDUSTRIES, LTD.Inventors: Takashi KUNISADA, Hideaki KAWAHARA
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Patent number: 8753238Abstract: A belt detachment tool 10 includes a detacher 11 and a pulley engagement portion 12. The detacher 11 includes a belt-climbing surface 11a?, a belt-sliding surface 11b?, and a belt-transferring surface 11c? disposed therebetween. At least a belt contact portion of the belt-transferring surface 11c? has a radius of curvature of 5-11 mm in plan view.Type: GrantFiled: September 19, 2013Date of Patent: June 17, 2014Assignee: Bando Chemical Industries, Ltd.Inventor: Takashi Kunisada
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Publication number: 20140018200Abstract: A belt detachment tool 10 includes a detacher 11 and a pulley engagement portion 12. The detacher 11 includes a belt-climbing surface 11a?, a belt-sliding surface 11b?, and a belt-transferring surface 11c? disposed therebetween. At least a belt contact portion of the belt-transferring surface 11c? has a radius of curvature of 5-11 mm in plan view.Type: ApplicationFiled: September 19, 2013Publication date: January 16, 2014Applicant: BANDO CHEMICAL INDUSTRIES, LTD.Inventor: Takashi KUNISADA
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Publication number: 20130167344Abstract: A belt detachment preventing jig (J1) is used for wrapping a belt around a crank pulley and a compressor pulley, each having a pulley groove, in a tight belt tension by having the belt fitted to the pulley groove of the crank pulley, with the belt looped over the compressor pulley, to prevent the belt from being detached from a belt-entering side of the compressor pulley. The belt detachment preventing jig (J1) is includes a fitting groove (11a) positioned on an outer side surface of a pulley flange of the compressor pulley, and configured to be slidably fitted to the pulley flange of the pulley, and a notch (10b) configured to be fitted to the pulley flange of the crank pulley and prevent the jig (J1) from being driven into rotation by a rotation movement of the compressor pulley.Type: ApplicationFiled: August 31, 2011Publication date: July 4, 2013Applicant: BANDO CHEMICAL INDUSTRIES, LTD.Inventor: Takashi Kunisada
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Publication number: 20130081241Abstract: A belt attachment jig includes a jig body (10) located along a side surface of a pulley (1), and a belt guide portion (15) which protrudes forward in the pulley rotational direction from a contact portion (11) near one end of the jig body (10). The belt (B) is held between the twisting preventing plate (12) which forms the other end of the jig body (10) and the side surface of the jig-attached pulley (1) such that an inner circumferential surface of the belt (B) faces the jig-attached pulley (1). As the pulley (1) is rotated, the belt attachment jig is moved in the pulley rotational direction together with the belt (B) in a manner that makes the belt (B) fitted in the pulley groove.Type: ApplicationFiled: June 15, 2011Publication date: April 4, 2013Applicant: BANDO CHEMICAL INDUSTRIES, LTD.Inventors: Takashi Kunisada, Takemasa Yoshimi