Patents by Inventor Masamitsu Ikenaka
Masamitsu Ikenaka 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: 10745834Abstract: Footwear includes an inner knitted fabric (5) and an outer knitted fabric (4) that are connected by a stitch row at a top line (6). In the footwear, wale directions of the inner knitted fabric and the outer knitted fabric are different, and/or, the outer knitted fabric is provided with a portion made of a knitted structure (50) with holes, and the inner knitted fabric arranged on the inner side of that portion is made of a knitted structure (60) whose stretchability is lower than that of another portion of the inner knitted fabric. A difference in stretchability between the vertical and horizontal directions of the footwear provided with a double layer knitted fabric is reduced, or a difference in stretchability depending on the position in the footwear is reduced.Type: GrantFiled: June 16, 2016Date of Patent: August 18, 2020Assignee: SHIMA SEIKI MFG., LTD.Inventors: Kenta Terai, Masamitsu Ikenaka
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Patent number: 10292455Abstract: There is provided a shoe upper that can be produced with high productivity. A heel cover portion (2) and a body portion (3) of a shoe upper (1) are integrally formed in a seamless manner by a knitting pattern. In the top section, a portion having a knitting width of greater than or equal to a predetermined width from an upper end to a lower end, at a position corresponding to a heel of a wearer, is assumed as the heel cover portion (2), and a portion including a remaining portion of the top section, excluding the heel cover portion (2), and the bottom section is assumed as the body portion (3), where an end in a knitting width direction of the heel cover portion (2) and an end in a wale direction of the body portion (3) are connected at positions of edges (L2, L3) on a side surface of the shoe upper (1) of the edges (L1 to L3) to become the boundary lines of the heel cover portion (2) and the body portion (3).Type: GrantFiled: May 22, 2013Date of Patent: May 21, 2019Assignee: Shima Seiki Mfg., Ltd.Inventor: Masamitsu Ikenaka
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Publication number: 20180235318Abstract: Footwear includes an inner knitted fabric (5) and an outer knitted fabric (4) that are connected by a stitch row at a top line (6). In the footwear, wale directions of the inner knitted fabric and the outer knitted fabric are different, and/or, the outer knitted fabric is provided with a portion made of a knitted structure (50) with holes, and the inner knitted fabric arranged on the inner side of that portion is made of a knitted structure (60) whose stretchability is lower than that of another portion of the inner knitted fabric. A difference in stretchability between the vertical and horizontal directions of the footwear provided with a double layer knitted fabric is reduced, or a difference in stretchability depending on the position in the footwear is reduced.Type: ApplicationFiled: June 16, 2016Publication date: August 23, 2018Applicant: SHIMA SEIKI MFG., LTD.Inventors: Kenta TERAI, Masamitsu IKENAKA
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Patent number: 10028545Abstract: There is provided a shoe upper excelling in productivity, and a method for knitting the same. A shoe upper (1) includes a left side intermediate knitted fabric portion (5L) connecting a left side edge portion of a tongue (4) and an instep cover section (3), and a right side intermediate knitted fabric portion (5R) connecting a right side edge portion of the tongue (4) and the instep cover section (3). In such shoe upper (1), a width of an end of the tongue (4) is formed wider on a foot insertion opening (7) side than on a toe side, both side edge portions of the tongue (4) are overlapped with the instep cover section (3) in a thickness direction thereof, and the instep cover section (3), the tongue (4), and both the intermediate knitted fabric portions (5L, 5R) are all integrally knitted in a seamless manner.Type: GrantFiled: February 25, 2015Date of Patent: July 24, 2018Assignee: Shima Seiki Mfg., Ltd.Inventors: Masamitsu Ikenaka, Kenta Terai
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Publication number: 20180160774Abstract: The shoe upper is tubular and has a toe, a body between the toe and the heel and including a tongue, heel, and a top line. The body includes the tongue covering the central part of instep, the right portion at the right side of the tongue covering the right side of instep and the right half of the sole, and the left portion at the left side of the tongue covering the left side of instep and the left half of the sole. The tongue and the right portion are connected by the right plating area 14 having a knitting width of two or more stitches knitted by plating-knitting where knitting yarns for the tongue and the right portion are overlapped with a constant relation of the front and the rear and made into stitches. The tongue and the left portion are connected by the left plating area 15 having a knitting width of two or more stitches knitted by plating-knitting where knitting yarns for the tongue and the left portion are overlapped with a constant relation of the front and the rear and made into stitches.Type: ApplicationFiled: May 10, 2016Publication date: June 14, 2018Applicant: SHIMA SEIKI MFG., LTD.Inventors: Kenta TERAI, Masamitsu IKENAKA
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Patent number: 9976236Abstract: There is provided a method for producing a shoe upper with which a shoe upper can be produced with high productivity, and a shoe upper obtained with the method for producing the shoe upper. An instep cover section (3) and a sole cover section (2) are integrally knitted in a seamless manner by carrying out process ? and then carrying out process ? or by carrying out process ? and then carrying out process ? with a flat knitting machine including at least a pair of a front and a back needle bed. [Process ?] Knitting a main body left portion (3L), which is a left side portion of the instep cover section (3), with one needle bed of the flat knitting machine and knitting a main body right portion (3R), which is a right side portion of the instep cover section (3), with the other needle bed of the flat knitting machine.Type: GrantFiled: March 28, 2014Date of Patent: May 22, 2018Assignee: SHIMA SEIKI MFG., LTD.Inventors: Kenta Terai, Takashi Kino, Masamitsu Ikenaka
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Publication number: 20170342612Abstract: Provided is a footwear knitting method for knitting footwear that partially has a two-layer structure. The footwear knitting method is a method for knitting footwear (1) provided with a base knitted fabric portion (2) that has a foot insertion opening (5), and is shape of an item of footwear, using a flat knitting machine.Type: ApplicationFiled: December 1, 2015Publication date: November 30, 2017Applicant: SHIMA SEIKI MFG., LTD.Inventors: Miki KAWAKAMI, Masamitsu IKENAKA
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Patent number: 9801429Abstract: There is provided an instep cover in which various designs can be provided on a side surface portion of the instep cover even when a shoelace holding section is provided, and a shoe upper including the instep cover. In a shoe upper (100) configuring a shoe, an instep cover (1) that covers a portion on an instep side of a wearer includes a slit (5S) extending from a foot insertion opening for the wearer to insert a foot toward a toe, and a shoelace holding section (4) that holds a shoelace for adjusting a spacing of the slit (5S). The shoelace holding section (4) includes a holding unit (4U) configured by a hole (4h) formed in a slit edge region (11) that shapes the slit (5S), and an annular strap (4s) being formed to an annular shape by connecting one end and the other end of a lace-like body to the slit edge region (11) and having a length that can be pulled out from the hole (4h) when an intermediate portion of the lace-like body is brought to a position of the hole (4h).Type: GrantFiled: October 9, 2014Date of Patent: October 31, 2017Assignee: Shima Seiki Mfg., Ltd.Inventors: Yoshihisa Uchikawa, Masamitsu Ikenaka
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Patent number: 9771673Abstract: There is provided a method for knitting a shoe upper that can allow the reinforcement degree of the shoe upper to be changed with a small number of yarn feeders. A method for knitting a shoe upper (1) including an instep cover section (3) that covers a portion on an instep side of a wearer and a sole cover section (2) that covers a sole of the wearer is provided. The instep cover section (3) and the sole cover section (2) are three-dimensionally knitted in a seamless manner; and in the knitting process, at least one base section (10) configuring a part of the shoe upper (1) is knitted using a base knitting yarn containing a non-thermal adhesive yarn and a thermal adhesive yarn, and a reinforcement knitting yarn containing a thermal adhesive yarn is interwoven in the base section (10) to reinforce the base section (10). In this case, the number of knitting with the reinforcement knitting yarn with respect to the base section (10) is changed.Type: GrantFiled: December 18, 2013Date of Patent: September 26, 2017Assignee: Shima Seiki Mfg., Ltd.Inventors: Masamitsu Ikenaka, Kenta Terai
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Patent number: 9719198Abstract: There is provided a footwear having a three-dimensional shape that fits a foot of a wearer regardless of a stretchability of a knitted fabric. A seamless footwear (1) including an instep cover section (3) and a sole cover section (2) is provided. The sole cover section (2) is divided to a heel portion (20) and a sole main body portion (21). A setup portion (1S) or a knitting end portion is formed at a heel side end of the footwear (1), and such setup portion (1S) or the knitting end portion is extended in a height direction of the footwear (1) and also connected to the heel portion (20). The heel portion (20) is formed by a knitting of stacking a stitch row for plural tiers in a wale direction, and gradually differing the number of stitches in a knitting width direction of the stitch row when stacking tiers of the stitch row. The heel portion (20) is formed to a tongue shape in which a width gradually becomes narrower toward a heel side of the footwear (1) according to the change in the number of stitches.Type: GrantFiled: July 26, 2013Date of Patent: August 1, 2017Assignee: Shima Seiki Mfg., Ltd.Inventor: Masamitsu Ikenaka
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Publication number: 20170135435Abstract: There is provided a shoe upper excelling in productivity, and a method for knitting the same. A shoe upper (1) includes a left side intermediate knitted fabric portion (5L) connecting a left side edge portion of a tongue (4) and an instep cover section (3), and a right side intermediate knitted fabric portion (5R) connecting a right side edge portion of the tongue (4) and the instep cover section (3). In such shoe upper (1), a width of an end of the tongue (4) is formed wider on a foot insertion opening (7) side than on a toe side, both side edge portions of the tongue (4) are overlapped with the instep cover section (3) in a thickness direction thereof, and the instep cover section (3), the tongue (4), and both the intermediate knitted fabric portions (5L, 5R) are all integrally knitted in a seamless manner.Type: ApplicationFiled: February 25, 2015Publication date: May 18, 2017Applicant: SHIMA SEIKI MFG., LTD.Inventors: Masamitsu IKENAKA, Kenta TERAI
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Patent number: 9644292Abstract: There is provided a method for knitting a knitted fabric, different from a conventional method, of forming a suppressing section for suppressing a stretch in the knitting width direction of the knitted fabric in the knitting process of the knitted fabric. One side in a longitudinal direction of needle beds (FB, BB) is assumed as a moving direction (DR). A suppressing section (4) is formed by repeating performing of a bind-off process, in which a first stitch (11) held on one needle bed (FB) is overlapped with a second stitch (12) that is proximate in the moving direction (DR) and a retaining stitch (15) is knitted following in a wale direction of a double stitch (13) of the first stitch (11) and the second stitch (12), and forming of a new base stitch (14) branched from at least one of the first stitch (11) and the second stitch (12).Type: GrantFiled: March 28, 2014Date of Patent: May 9, 2017Assignee: SHIMA SEIKI MFG., LTD.Inventors: Takashi Kino, Masamitsu Ikenaka
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Patent number: 9611571Abstract: A shoe upper that suppresses a partial stretch of an upper main body with a means different from an inlay knitting yarn is provided. A shoe upper (100) including an upper main body (1) configured by a sole cover (2) and an instep cover (3) is provided, the shoe upper including a right side additional knitted fabric (4R) connected to a part of an edge portion (5e) of the shoe opening (5) in the instep cover (3) by knitting, which part is on a right side of a center line dividing the shoe opening (5) to right and left, and a left side additional knitted fabric (4L) connected to a part of the edge portion (5e) on a left side of the center line by knitting.Type: GrantFiled: July 25, 2014Date of Patent: April 4, 2017Assignee: Shima Seiki Mfg., Ltd.Inventors: Masamitsu Ikenaka, Kenta Terai
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Patent number: 9549591Abstract: An instep cover knitted there-dimensionally in advance, and a method for knitting the same are provided. An instep cover 1, out of a shoe upper configuring a shoe, which is a seamless knitted fabric knitted using a flat knitting machine including at least a pair of a front and a back needle bed, the instep cover 1 covering a portion on an instep side of a wearer is provided.Type: GrantFiled: September 5, 2014Date of Patent: January 24, 2017Assignee: Shima Seiki Mfg., Ltd.Inventors: Yoshihisa Uchikawa, Masamitsu Ikenaka
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Patent number: 9498022Abstract: There is provided a shoe upper with high productivity in which a reinforcing section can be easily formed at the position of the heel or the toe, and a method for producing the same. A shoe upper (1) in which an instep cover section (3) and a sole cover section (2) are integrally knitted in a seamless manner is provided. The shoe upper (1) includes a pocket section (4) formed extending over a left side portion and a right side portion of the shoe upper (1) at least at a position of a heel or a toe of the shoe upper (1). The pocket section (4) is configured by an outer side knitted fabric portion (40) configured with a part of the instep cover section (3), and an inner side knitted fabric portion (49) directly connected to the sole cover section (2) and entered to the inner side of the outer side knitted fabric portion (40). A pocket opening (4i), which is an opening of the pocket section (4), opens at the side of the sole cover section (2).Type: GrantFiled: March 28, 2014Date of Patent: November 22, 2016Assignee: SHIMA SEIKI MFG., LTD.Inventors: Masamitsu Ikenaka, Kenta Terai
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Patent number: 9441315Abstract: There is provided a knitted fabric in which a spacing of an open portion can be adjusted as necessary, and a method for knitting the same. An inlay knitting of interweaving a first line (Y1) supplied from a far side line feeder (F1) into a first knitted fabric portion (11) is carried out (process ?). An inlay knitting of interweaving a second line (Y2) supplied from a near side line feeder (F2) into a second knitted fabric portion (12) is carried out, and the second line (Y2) is made intersect the first line (Y1) on the open portion (50) side (process ?). An inlay knitting of interweaving the first line (Y1) into the first knitted fabric portion (11) is carried out, and a state in which the first line (Y1) is entwined around the second line (Y2) and turned back is obtained (process ?). An inlay knitting of interweaving the second line (Y2) into the second knitted fabric portion (12) is carried out, and a turn-back end of the first line (Y1) and a turn-back end of the second line (Y2) are entwined (process ?).Type: GrantFiled: March 28, 2014Date of Patent: September 13, 2016Assignee: Shima Seiki MFG., LTD.Inventors: Masamitsu Ikenaka, Chiharu Kiyohara
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Patent number: 9439475Abstract: There is provided a method for producing a shoe upper capable of producing a shoe upper having a double structure with high productivity. A tubular inner side knitted fabric portion (19) to become an inner side portion of the shoe upper and a tubular outer side knitted fabric portion (11) to become an outer side portion of the shoe upper are knitted with the inner side knitted fabric portion (19) and the outer side knitted fabric portion (11) lined on left and right on the needle beds and with foot insertion opening corresponding portions (110, 190) of the knitted fabric portions (11, 19) connected (process ?). In this case, at least one of the inner side knitted fabric portion (19) and the outer side knitted fabric portion (11) is knitted using a fusible knitting yarn including a heat fusible yarn. The inner side knitted fabric portion (19) is tucked in an interior of the outer side knitted fabric portion (11) to form a shoe upper having a double structure (process ?).Type: GrantFiled: March 28, 2014Date of Patent: September 13, 2016Assignee: Shima Seiki Mfg., Ltd.Inventor: Masamitsu Ikenaka
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Publication number: 20160255913Abstract: There is provided an instep cover in which various designs can be provided on a side surface portion of the instep cover even when a shoelace holding section is provided, and a shoe upper including the instep cover. In a shoe upper (100) configuring a shoe, an instep cover (1) that covers a portion on an instep side of a wearer includes a slit (5S) extending from a foot insertion opening for the wearer to insert a foot toward a toe, and a shoelace holding section (4) that holds a shoelace for adjusting a spacing of the slit (5S). The shoelace holding section (4) includes a holding unit (4U) configured by a hole (4h) formed in a slit edge region (11) that shapes the slit (5S), and an annular strap (4s) being formed to an annular shape by connecting one end and the other end of a lace-like body to the slit edge region (11) and having a length that can be pulled out from the hole (4h) when an intermediate portion of the lace-like body is brought to a position of the hole (4h).Type: ApplicationFiled: October 9, 2014Publication date: September 8, 2016Applicant: SHIMA SEIKI MFG., LTD.Inventors: Yoshihisa UCHIKAWA, Masamitsu IKENAKA
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Publication number: 20160213097Abstract: An instep cover knitted there-dimensionally in advance, and a method for knitting the same are provided. An instep cover 1, out of a shoe upper configuring a shoe, which is a seamless knitted fabric knitted using a flat knitting machine including at least a pair of a front and a back needle bed, the instep cover 1 covering a portion on an instep side of a wearer is provided.Type: ApplicationFiled: September 5, 2014Publication date: July 28, 2016Applicant: SHIMA SEIKI MFG., LTDInventors: Yoshihisa UCHIKAWA, Masamitsu IKENAKA
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Publication number: 20160198798Abstract: A shoe upper that suppresses a partial stretch of an upper main body with a means different from an inlay knitting yarn is provided. A shoe upper (100) including an upper main body (1) configured by a sole cover (2) and an instep cover (3) is provided, the shoe upper including a right side additional knitted fabric (4R) connected to a part of an edge portion (5e) of the shoe opening (5) in the instep cover (3) by knitting, which part is on a right side of a centerline dividing the shoe opening (5) to right and left, and a left side additional knitted fabric (4L) connected to a part of the edge portion (5e) on a left side of the center line by knitting.Type: ApplicationFiled: July 25, 2014Publication date: July 14, 2016Applicant: SHIMA SEIKI MFG., LTD.Inventors: Masamitsu IKENAKA, Kenta TERAI