Patents by Inventor Kouichi Yamaki
Kouichi Yamaki 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: 11773536Abstract: The purpose of the present disclosure is to provide a method for producing pulp fibres for saccharification from the pulp fibres of used sanitary items, said pulp fibres for saccharification having low lignin contents distributed within a narrow range, and enabling the production of pulp fibres for saccharification having superior saccharification properties.Type: GrantFiled: May 10, 2018Date of Patent: October 3, 2023Assignee: UNICHARM CORPORATIONInventors: Kouichi Yamaki, Takayoshi Konishi, Naoto Ohashi, Toshio Hiraoka, Noritomo Kurita
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Patent number: 11358123Abstract: A method of recycling superabsorbent polymers derived from a used absorbent article, the method including: treating the superabsorbent polymers with ozone water after inactivation; reactivating, with an alkaline aqueous solution, the superabsorbent polymers treated with the ozone water; and adding hydrophilic fine particles to the superabsorbent polymers reactivated with the alkaline aqueous solution and then drying the superabsorbent polymers.Type: GrantFiled: November 16, 2021Date of Patent: June 14, 2022Assignee: Unicharm CorporationInventors: Takayoshi Konishi, Takashi Kato, Kouichi Yamaki, Noritomo Kurita
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Patent number: 11299851Abstract: Provided is a method for producing pulp fibers to be saccharified, whereby it becomes possible to reduce the amount of a highly water-absorbable polymer and therefore increase the collection efficiency in the production of a saccharified solution when pulp fibers for a saccharified liquid is produced from a dirty absorbent article. The method is a method for producing pulp fibers to be saccharified, from pulp fibers in a dirty absorbent article.Type: GrantFiled: December 20, 2017Date of Patent: April 12, 2022Assignee: UNICHARM CORPORATIONInventors: Kouichi Yamaki, Naoto Ohashi, Takayoshi Konishi
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Publication number: 20220072511Abstract: A method of recycling superabsorbent polymers derived from a used absorbent article, the method including: treating the superabsorbent polymers with ozone water after inactivation; reactivating, with an alkaline aqueous solution, the superabsorbent polymers treated with the ozone water; and adding hydrophilic fine particles to the superabsorbent polymers reactivated with the alkaline aqueous solution and then drying the superabsorbent polymers.Type: ApplicationFiled: November 16, 2021Publication date: March 10, 2022Applicant: UNICHARM CORPORATIONInventors: Takayoshi Konishi, Takashi Kato, Kouichi Yamaki, Noritomo Kurita
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Publication number: 20210039072Abstract: The purpose of the present disclosure is to provide a method for regenerating a highly water-absorbing polymer that has been deactivated by an acid, the method enabling formation of a highly water-absorbing recycled polymer having predetermined water absorption properties. The regeneration method according to the present disclosure is configured as follows. This method regenerates a highly water-absorbing polymer that has been deactivated by an acid into a highly water-absorbing recycled polymer having predetermined water absorption properties.Type: ApplicationFiled: February 5, 2019Publication date: February 11, 2021Inventors: Ryusei Ito, Haruna Onodera, Naoyuki Funamizu, Takayoshi Konishi, Kouichi Yamaki
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Publication number: 20200399827Abstract: Provided is a method for producing pulp fibers to be saccharified, whereby it becomes possible to reduce the amount of a highly water-absorbable polymer and therefore increase the collection efficiency in the production of a saccharified solution when pulp fibers for a saccharified liquid is produced from a dirty absorbent article. The method is a method for producing pulp fibers to be saccharified, from pulp fibers in a dirty absorbent article.Type: ApplicationFiled: December 20, 2017Publication date: December 24, 2020Inventors: Kouichi Yamaki, Naoto Ohashi, Takayoshi Konishi
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Publication number: 20200141055Abstract: The purpose of the present disclosure is to provide a method for producing pulp fibres for saccharification from the pulp fibres of used sanitary items, said pulp fibres for saccharification having low lignin contents distributed within a narrow range, and enabling the production of pulp fibres for saccharification having superior saccharification properties.Type: ApplicationFiled: May 10, 2018Publication date: May 7, 2020Applicant: UNICHARM CORPORATIONInventors: Kouichi Yamaki, Takayoshi Konishi, Naoto Ohashi, Toshio Hiraoka, Noritomo Kurita
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Patent number: 9918882Abstract: A tampon applicator includes an outer tube for containing at least a part of an absorber therein, a first inner tube and a second inner tube. The second inner tube is telescopically received within the first inner tube. The first inner tube and the second inner tube are connectable to each other during use to push out the absorber from the outer tube. At least a part of the first inner tube and at least a part of the second inner tube overlap with each other in an overlap region outside the outer tube. A color difference between the outer tube and the overlap region is higher than a color difference between the overlap region and the second inner tube.Type: GrantFiled: September 12, 2013Date of Patent: March 20, 2018Assignee: UNICHARM CORPORATIONInventors: Yukihiro Ito, Kenta Taniguchi, Kouichi Yamaki, Azusa Matsushima, Akie Kinoshita
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Patent number: 9474656Abstract: A tampon applicator includes an outer tube with an absorber stored inside, an inner tube inserted inside the outer tube and movable towards and into the outer tube to push the absorber to outside the outer tube, and an auxiliary grip member. The auxiliary grip member includes a cover unit covering an outer circumference surface of the grip unit, and a collar unit extending radially outwards from an outer circumference surface of the cover unit. A caved-in unit caving in from a terminal end of the cover unit towards a distal end side of the auxiliary grip member in a direction of insertion, in which the tampon applicator is configured to be inserted inside a vagina of the user, is formed in the terminal end of the cover unit.Type: GrantFiled: July 26, 2012Date of Patent: October 25, 2016Assignee: UNICHARM CORPORATIONInventors: Kenta Taniguchi, Yukihiro Ito, Kouichi Yamaki
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Patent number: 9283122Abstract: A tampon applicator includes an outer cylinder having an absorbent; an inner cylinder configured to push the absorbent into the outer cylinder; and a flange part extending outward in a radial direction from an outer peripheral surface of a grip cylinder part of the outer cylinder. The flange part is provided with a flange identifying unit including at least one of an identifying display portion; an identifying friction portion; or an identifying shape portion.Type: GrantFiled: February 28, 2012Date of Patent: March 15, 2016Assignee: UNICHARM CORPORATIONInventors: Kenta Taniguchi, Yukihiro Ito, Kouichi Yamaki
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Patent number: 9186282Abstract: A tampon applicator includes an outer cylinder in which an absorber is housed, and a push-out opening through which the absorber is to be pushed out is provided at one side and a grip cylinder unit is provided at the other side, and an inner cylinder which is inserted into the grip cylinder unit and being moved into the outer cylinder to be thereby able to push out the absorber outward through the push-out opening. The tampon applicator includes a grip jaw unit configured to extend from an outer circumferential face of the grip cylinder unit of the outer cylinder outwardly in a radial direction, wherein a finger hook unit by which a finger of a user is to be hooked is formed at the grip jaw unit.Type: GrantFiled: December 27, 2011Date of Patent: November 17, 2015Assignee: UNICHARM CORPORATIONInventors: Yukihiro Ito, Kenta Taniguchi, Kouichi Yamaki
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Patent number: 9119746Abstract: An absorbent article having water disintegratability that includes a water disintegratable top sheet, a water disintegratable back sheet, a pressure-sensitive adhesive section for attaching the absorbent article to clothing, disposed on the surface of the back sheet opposite the top sheet, and a release sheet for protection of a contact surface of the pressure-sensitive adhesive section which contacts with clothing. One or more protrusions and one or more depressions are formed on the contact surface of the pressure-sensitive adhesive section.Type: GrantFiled: September 28, 2011Date of Patent: September 1, 2015Assignee: Unicharm CorporationInventors: Azusa Matsushima, Kouichi Yamaki
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Publication number: 20150223993Abstract: A tampon applicator includes an outer tube for containing at least a part of an absorber therein, a first inner tube and a second inner tube. The second inner tube is telescopically received within the first inner tube. The first inner tube and the second inner tube are connectable to each other during use to push out the absorber from the outer tube. At least a part of the first inner tube and at least a part of the second inner tube overlap with each other in an overlap region outside the outer tube. A color difference between the outer tube and the overlap region is higher than a color difference between the overlap region and the second inner tube.Type: ApplicationFiled: September 12, 2013Publication date: August 13, 2015Applicant: UNICHARM CORPORATIONInventors: Yukihiro Ito, Kenta Taniguchi, Kouichi Yamaki, Azusa Matsushima, Akie Kinoshita
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Publication number: 20140155809Abstract: A tampon applicator comprises: an outer tube, in which an absorber stored inside, an aperture is disposed on one side thereof wherethrough the absorber is extruded, and a grip unit is disposed on the other side thereof; an inner tube which extrudes the absorber by moving within the outer tube; an auxiliary grip member. The auxiliary grip member further comprises a cover unit which covers the outer circumference surface of the grip unit, and collar unit which extends radially outwards from the outer circumference surface of the cover unit of the outer tube.Type: ApplicationFiled: July 26, 2012Publication date: June 5, 2014Applicant: UNICHARM CORPORATIONInventors: Kenta Taniguchi, Yukihiro Ito, Kouichi Yamaki
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Publication number: 20140052048Abstract: An tampon applicator includes an outer tube which contains an absorber therein, of which the one side is provided with a push-out aperture by which the absorber is to be pushed out, and of which the other side is provided with a grip tube unit; and an inner tube which is movable towards into the outer tube to push the absorber to the outside through the push-out aperture; and a collar unit extending radially outwards from an outer circumferential surface of the grip tube unit of the outer tube is included, and having a light transmissive means that enables the grip tube unit side to be visually confirmed from the push-out aperture side of the outer tube via the collar unit.Type: ApplicationFiled: February 16, 2012Publication date: February 20, 2014Applicant: Unicharm CorporationInventors: Kenta Taniguchi, Yukihiro Ito, Kouichi Yamaki
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Publication number: 20140046239Abstract: A tampon applicator comprises: an outer cylinder in the interior of which an absorbent; an inner cylinder for outwardly pushing the absorbent by moving into the outer cylinder; and a flange part extending outward in the radial direction from an outer peripheral surface of a grip cylinder part of the outer cylinder. The flange part is provided with a flange identifying unit comprising at least one from among: an identifying display portion; an identifying friction portion; and an identifying shape portion.Type: ApplicationFiled: February 28, 2012Publication date: February 13, 2014Inventors: Kenta Taniguchi, Yukihiro Ito, Kouichi Yamaki
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Publication number: 20130331763Abstract: A tampon applicator includes an outer cylinder in which an absorber is housed, and a push-out opening through which the absorber is to be pushed out is provided at one side and a grip cylinder unit is provided at the other side, and an inner cylinder which is inserted into the grip cylinder unit and being moved into the outer cylinder to be thereby able to push out the absorber outward through the push-out opening. The tampon applicator includes a grip jaw unit configured to extend from an outer circumferential face of the grip cylinder unit of the outer cylinder outwardly in a radial direction, wherein a finger hook unit by which a finger of a user is to be hooked is formed at the grip jaw unit.Type: ApplicationFiled: December 27, 2011Publication date: December 12, 2013Applicant: UNICHARM CORPORATIONInventors: Yukihiro Ito, Kenta Taniguchi, Kouichi Yamaki
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Publication number: 20130184664Abstract: An absorbent article having water disintegratability that includes a water disintegratable top sheet, a water disintegratable back sheet, a pressure-sensitive adhesive section for attaching the absorbent article to clothing, disposed on the surface of the back sheet opposite the top sheet, and a release sheet for protection of a contact surface of the pressure-sensitive adhesive section which contacts with clothing. One or more protrusions and one or more depressions are formed on the contact surface of the pressure-sensitive adhesive section.Type: ApplicationFiled: September 28, 2011Publication date: July 18, 2013Applicant: UNICHARM CORPORATIONInventors: Azusa Matsushima, Kouichi Yamaki
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Publication number: 20060135930Abstract: Disclosed is a hygienic absorbent article including: a back layer; an absorbent layer; and a three-dimensional portion to rise in T-shaped state over the absorbent layer due to longitudinal elastic contractive force of elastic members provided in the three-dimensional portion. The three-dimensional portion has: connecting portions fixed onto the absorbent layer; and a skin-contacting portion connected to the absorbent layer through the connecting portions and having a pair of free ends.Type: ApplicationFiled: December 22, 2005Publication date: June 22, 2006Applicant: Uni-Charm CorporationInventors: Satoshi Mizutani, Kouichi Yamaki, Yuuki Noda
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Publication number: 20020120247Abstract: Disclosed is a hygienic absorbent article including: a back layer; an absorbent layer; and a three-dimensional portion to rise in T-shaped state over the absorbent layer due to longitudinal elastic contractive force of elastic members provided in the three-dimensional portion. The three-dimensional portion has: connecting portions fixed onto the absorbent layer; and a skin-contacting portion connected to the absorbent layer through the connecting portions and having a pair of free ends.Type: ApplicationFiled: February 13, 2002Publication date: August 29, 2002Applicant: Uni-Charm CorporationInventors: Satoshi Mizutani, Kouichi Yamaki, Yuuki Noda