Patents by Inventor Toshifumi Otsubo
Toshifumi Otsubo 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: 6458114Abstract: A disposable diaper having an absorbent body that includes a topsheet, a backsheet, a core disposed therebetween. A first barrier wall annularly extends above a top surface of the topsheet. The first barrier wall lies in a rear half section of the absorbent body and is fixed to the absorbent body along a lower peripheral portion thereof so as to define a first opening in a substantially central zone of the first barrier wall. A second barrier wall annularly extends around the first barrier wall over both the front and rear half sections of the absorbent body. A lower peripheral edge portion of the second barrier wall is fixed to the peripheral portion of the absorbent body so as to define a second opening in a substantially central zone of the second barrier wall.Type: GrantFiled: September 1, 2000Date of Patent: October 1, 2002Assignee: Uni-Charm CorporationInventors: Yoshitaka Mishima, Toshifumi Otsubo
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Publication number: 20020129888Abstract: A process for making a pants-type diaper without generation of waste material. The pants-type diaper is composed of a body fluid absorbent pad member curved in a U-shape, a front waist member and a rear waist member extending around front and rear waist-halves, respectively. The front and rear waist members are obtained by feeding first and second elastic members in parallel to each other in a machine direction so as to describe substantially sinusoidal curves, respectively, securing these elastic members to one surface of a web fed in the machine direction and then transversely bisecting the web between the first and second elastic members. The first and second elastic members are symmetric to each other about a center line bisecting the web but phase-shifted with respect to each other in the machine direction by half a cycle of the substantially sinusoidal curve.Type: ApplicationFiled: March 11, 2002Publication date: September 19, 2002Inventors: Toshifumi Otsubo, Hiroki Yamamoto
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Patent number: 6450998Abstract: A disposable article for dealing with feces adapted to be used in conjunction with a disposable diaper or diaper cover. The article includes a feces receiving region that is provided in the form of a laminate that includes a top layer provided with at least one opening having an area of 20˜500 mm2, a feces holding layer in the form of a three-dimensional network structure underlying the top layer, a liquid-absorbent layer underlying the holding layer and a liquid-impervious back layer covering a lower surface of the absorbent layer. The laminate has its width progressively reduced toward a front end of the feces receiving pocket and a leakage barrier is formed along transversely opposite side edges of the top layer.Type: GrantFiled: June 29, 2000Date of Patent: September 17, 2002Assignee: Uni-Charm CorporationInventors: Toshifumi Otsubo, Hiroyuki Tanji, Yoshitaka Mishima, Naomi Suzuki, Kazuaki Onishi, Norihiko Ishikawa, Yoko Yabe
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Patent number: 6450996Abstract: A disposable diaper includes transversely opposite side edge regions thereof and the side edge regions are folded to form pleats each presenting a Z-shaped cross section and an body waste disposal sheet is bonded along its transversely opposite side edge regions to upper surfaces of the pleats so that the disposal sheet may be separated from the diaper as the transversely opposite side edge regions of the diaper are held and bilaterally pulled by a person having charge of body waste disposal with his or her hands.Type: GrantFiled: December 21, 1999Date of Patent: September 17, 2002Assignee: Uni-Charm CorporationInventor: Toshifumi Otsubo
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Patent number: 6440116Abstract: A body waste disposable article adapted to receive feces and/or urine discharged thereon, the article having a body fluids absorbent means above which an opening is formed by a surrounding wall partially covering the body fluids absorbent means and surrounding the opening. The article is longitudinally composed of a front end, a rear end and an intermediate region extending between these two ends. The article is configured so as to have the largest width in its intermediate region.Type: GrantFiled: June 20, 2000Date of Patent: August 27, 2002Assignee: Uni-Charm CorporationInventors: Hiroyuki Tanji, Toshifumi Otsubo, Yoshitaka Mishima
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Publication number: 20020087140Abstract: A disposable body fluid absorbent wearing article includes a body fluid absorbent pad, and a crotch region of the pad is defined by a pair of darts extending in a back-and-forth direction of the article. The article has a body fluid absorbent core divided into an inner portion extending between the darts and outer portions respectively extending outside the respective darts.Type: ApplicationFiled: December 27, 2001Publication date: July 4, 2002Inventor: Toshifumi Otsubo
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Publication number: 20020082578Abstract: Here is disclosed disposable pants of trunks-type having a pair of lateral trunk regions and a middle trunk region wherein each of the lateral trunk regions has an upper section and a lower section while the middle trunk region has a front trunk section, a rear trunk section, a crotch section and a pair of downward extensions so that the front and rear trunk sections and the crotch section extend so as to intersect the upper sections while the downward extensions extend in parallel to the lower sections and wherein the upper sections and the front and rear trunk sections are bonded together along edges thereof except upper edges thereof forming a waist-opening while the lower sections and the downward extensions are bonded together along edges thereof except lower edges forming a pair of leg-openings.Type: ApplicationFiled: June 12, 2001Publication date: June 27, 2002Applicant: UNI-CHARM CORPORATIONInventors: Toshifumi Otsubo, Hiroki Yamamoto
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Patent number: 6406465Abstract: A disposable diaper includes a laminated panel having a topsheet, a backsheet and an absorbent core disposed therebetween to configure a front waist region, a rear waist region and a crotch region; the laminated panel is provided with a concavity extending a longitudinal center line of the panel from the rear waist region to the crotch region and depressed toward a surface of the panel remote from the wearer's skin.Type: GrantFiled: February 3, 2000Date of Patent: June 18, 2002Assignee: Uni-Charm CorporationInventor: Toshifumi Otsubo
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Patent number: 6402728Abstract: A diaper includes a topsheet, a backsheet and a core disposed therebetween to define a front and rear waist regions and a crotch region. An elastic member surrounds a predetermined zone of the core about the vicinity of a longitudinal center line of the diaper. The plastic member is located in a rear half of the diaper and is secured under tension to the upper surface of the core so that the predetermined zone of the core is depressed downward to form a depression as the elastic member contracts.Type: GrantFiled: December 15, 2000Date of Patent: June 11, 2002Assignee: Uni-Charm CorporationInventor: Toshifumi Otsubo
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Publication number: 20020068916Abstract: A body waste disposable article adapted to receive feces and/or urine discharged thereon, the article having a body fluids absorbent means above which an opening is formed by a surrounding wall partially covering the body fluids absorbent means and surrounding the opening. The article is longitudinally composed of a front end, a rear end and an intermediate region extending between these two ends. The article is configured so as to have the largest width in its intermediate region.Type: ApplicationFiled: January 22, 2002Publication date: June 6, 2002Inventors: Hiroyuki Tanji, Toshifumi Otsubo, Yoshitaka Mishima
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Patent number: 6383170Abstract: A disposable diaper including a pair of elasticized gasket cuffs disposed in transversely opposite sides of the diaper, a pair of elasticized barrier cuffs disposed adjacent the gasket cuffs and a three-dimensional feces receiving section extending at least partially across a crotch region of the diaper. The feces receiving section is defined by a pair of elasticized first barrier flaps transversely opposite to and spaced from each other and a pair of elasticized second barrier flaps longitudinally opposed to and spaced each other and extending transversely between the first barrier flaps.Type: GrantFiled: May 19, 2000Date of Patent: May 7, 2002Assignee: Uni-Charm CorporationInventors: Yoshitaka Mishima, Toshifumi Otsubo
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Patent number: 6368312Abstract: A disposable pull-on diaper includes a liquid absorbent core, and the core is joined to a topsheet in front and rear waist regions as well as in a crotch region but not joined to a backsheet in the front and rear waist regions. The topsheet and the backsheet are not joined to each other in their portions extending between longitudinally opposite ends of the liquid-absorbent core and a peripheral edge of a waist-opening. The diaper thus constructed prevents the core from being flexed or crooked.Type: GrantFiled: September 30, 1999Date of Patent: April 9, 2002Assignee: Uni-Charm CorporationInventor: Toshifumi Otsubo
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Publication number: 20020029029Abstract: A disposable wearing article includes a liquid-absorbent first core disposed between top- and backsheets, a pair of side flaps extending in a longitudinal direction outside transversely opposite side edges of the first core in a crotch region and a pair of second cores spaced from the respective side edges of the first core and disposed between the top- and backsheets. The respective side edges of the first core in the crotch region curve inward in a transverse direction of the article to describe circular arcs while inner side edges of the respective second cores in the crotch region curve outward in the transverse direction of the article to describe circular arcs. The first core and the second cores are bonded together in the vicinity of the side edge portions of the first core and in the vicinity of the inner side edge portions of the second cores in the crotch region so that the side flaps obliquely extend downward from the side edge portions of the first core.Type: ApplicationFiled: August 31, 2001Publication date: March 7, 2002Inventor: Toshifumi Otsubo
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Publication number: 20020022814Abstract: A disposable garment includes a crotch region. The crotch region has a pair of folding guides transversely extending across a zone defined between peripheral edge portions of respective leg-openings and intersecting to each other in a transversely middle zone of the crotch region and the crotch region is tucked about the folding guides inwardly of the garment so that the crotch region may be divided by the folding guides into substantially triangular first and second zones defined between the peripheral edge portions of the respective leg-openings and the folding guides, respectively, a third zone extending from the folding guides into a front trunk region, and a fourth zone extending from the folding guides into a rear trunk region with the first and second zones being disposed between the third and fourth zones.Type: ApplicationFiled: July 9, 2001Publication date: February 21, 2002Inventors: Toshifumi Otsubo, Yoshinori Kumasaka, Hiroyuki Soga
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Patent number: 6320096Abstract: Disposable training pants includes a liquid-permeable topsheet layer, a liquid-impermeable backsheet layer and a liquid-absorbent core disposed therebetween. The topsheet layer is formed in a transverse middle thereof overlying at least a crotch region of the pants with a liquid-impermeable zone having a hydrophobicity higher than the laterally adjacent zones.Type: GrantFiled: February 23, 1998Date of Patent: November 20, 2001Assignee: Uni-Charm CorporationInventors: Yasushi Inoue, Toshifumi Otsubo
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Patent number: 6312420Abstract: A pants-type disposable diaper includes a pants-type outer cover and an absorbent pad attached on an inner surface of the outer cover, the outer cover having first elastic members which circumferentially extend in the vicinity of a waist-opening of the outer cover and second elastic members which circumferentially extend in the vicinity of the uppermost points of a pair of leg-opening of the outer cover, the pad having an elongate pad body provided with a pair of barrier cuffs, the barrier cuffs having third elastic member at distal edges of the barrier cuff and fourth elastic members between the distal edges and proximal edges of the barrier cuffs, the fourth elastic member intersecting the second elastic members in front and rear waist regions of the outer cover.Type: GrantFiled: April 23, 1999Date of Patent: November 6, 2001Assignee: Uni-Charm CorporationInventors: Toru Sasaki, Nariaki Shimoe, Yoshinori Kumasaka, Toshifumi Otsubo, Yasushi Inoue
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Patent number: 6293936Abstract: A disposable pull-on diaper having of a briefs-type absorbent structure and a trunks-type cover adapted to conceal the absorbent structure. The cover comprises substantially a pair of sheets placed upon each other and at least one of these two sheets is formed with a pair of pleats extending in parallel to and symmetrically of a center line dividing a width of the diaper in two, the one of the pleats presenting a Z-shaped cross-section and the other presenting an inverted Z-shaped cross-section.Type: GrantFiled: January 29, 1999Date of Patent: September 25, 2001Assignee: Uni-Charm CorporationInventor: Toshifumi Otsubo
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Publication number: 20010016720Abstract: A disposable diaper includes a briefs-type cover component having an elastic stretchability in a vertical direction of the diaper, and an absorbent component including topsheet and backsheet both being not elastically stretchable and a liquid-absorbent core disposed therebetween. The absorbent component is suspended inside the cover component by suspender means made of non-stretchable sheets and having pleats adapted to be flattened out in a vertical direction of the diaper.Type: ApplicationFiled: January 29, 1999Publication date: August 23, 2001Inventor: TOSHIFUMI OTSUBO
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Publication number: 20010016723Abstract: A disposable diaper includes a cover member presenting an hourglass-shape and a separate liquid-absorbent member composed of a liquid-permeable topsheet, a liquid-impermeable backsheet and a liquid-absorbent core. The cover member has an elastic stretchability along the upper end of front or rear waist region and these front and rear waist regions are connected or connectable along transversely opposite side edges thereof. The liquid-absorbent member includes first and second elastically stretchable members circumferentially extending across portions of the front and rear trunk regions lying immediately above the crotch region. Longitudinally opposite ends of these elastically stretchable members are bonded to the transversely opposite side edges of the cover member.Type: ApplicationFiled: August 10, 1998Publication date: August 23, 2001Inventors: YASUSHI SAYAMA, TOSHIFUMI OTSUBO, YASUSHI INOUE
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Publication number: 20010004689Abstract: A diaper includes a topsheet, a backsheet and a core disposed therebetween to define a front and rear waist regions and a crotch region, and an elastic member extending to surround a predetermined zone of the core about the vicinity of a longitudinal center line is placed in a rear half of the diaper defined between the vicinity of a transverse center line and the end of the rear waist region and secured under tension to the upper surface of the core so that the zone of the core is depressed downward to form a depression as the elastic member contracts.Type: ApplicationFiled: December 15, 2000Publication date: June 21, 2001Inventor: Toshifumi Otsubo