Patents by Inventor Masahiro Kusayama
Masahiro Kusayama 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: 20030116182Abstract: An improved inflatable tent includes a plurality of inflatable hollow rounded units (1), each tent unit 1 including an outer sheet (4) and an inner sheet (5) connected to each other at their respective ends, a side sheet (6) connecting the outer sheet (4) and the inner sheet (5) along their opposed sides, the side sheet (6) constituting a connecting portion (9), and a floor sheet (8) integrally connected to the lower end of the inner sheet (5). A pair of outer and inner water-impervious slide fasteners (10) are mounted between each pair of adjacent tent units (1) along the outside and insider thereof for joining the pair of adjacent tent units (1) of the tent.Type: ApplicationFiled: November 6, 2002Publication date: June 26, 2003Applicant: YKK CORPORATIONInventors: Shigeru Ueda, Masahiro Kusayama
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Publication number: 20030093885Abstract: A fastener which allows to distinguish a genuine fastener from a forged one. An identification yarn containing substance with different optical reactions to irradiation of visible light and to irradiation of infrared rays of a specific wavelength is disposed at a specified position in the tape which is a component of the fastener. As a result, discrimination between genuine and false fasteners can be done safely without damaging the human health.Type: ApplicationFiled: November 15, 2002Publication date: May 22, 2003Inventors: Teruo Inoue, Masahiro Kusayama, Nigel Berry, Hideki Terashima
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Patent number: 6427294Abstract: The present invention intends to provide a waterproof slide fastener in which a synthetic resin film is fused to a fastener tape in order to prevent a perforation phenomenon that the synthetic resin film does not exist locally. A laminated synthetic resin film composed of low melting point resin layer having melting point of, for example, 100° C.-140° C. and high melting point resin layer having melting point of, for example, 150° C.-230° C. is fused to a surface or both surfaces of a pair of the fastener tapes with the low melting point resin layer being in contact with and opposing the fastener tape by heating with pressure. Fastener elements are mounted onto a side edge of the fastener tape and the laminated synthetic resin film is formed so as to protrude outward from the side edge of the fastener tape and a center point of coupling of the fastener elements.Type: GrantFiled: April 11, 2000Date of Patent: August 6, 2002Assignee: YKK CorporationInventors: Masatoshi Shibaike, Masahiro Kusayama, Sakae Aimono
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Patent number: 6195852Abstract: The present invention provides a reversely openable bottom end stop, wherein the bottom end stop can be easily held and smooth reverse opening or bottom end stop operation can be carried out. An upward opening type or a both-way opening type of slide fastener can be supplied in immediate response to demand.Type: GrantFiled: September 15, 1999Date of Patent: March 6, 2001Assignee: YKK CorporationInventor: Masahiro Kusayama
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Patent number: 5297319Abstract: A slide fastener comprising: a pair of woven or knitted stringer tapes having a pair of core threads extending in and along their confronting inner longitudinal edges; a pair of rows of die-cast coupling elements mounted on and along the confronting inner longitudinal edges; and each of said stringer tapes including a conductive wire extending along the respective core thread on its side toward the inner longitudinal edge, an edge warp yarn extending along the inner longitudinal edge, and a weft yarn having a succession of turnover portions arranged along the inner longitudinal edge, said conductive wire together with said edge warp yarn being incorporated into each said stringer tapes by said turnovers in such a manner that said conductive wire is partially concealed with said edge warp yarn and said turnover portions.Type: GrantFiled: November 5, 1992Date of Patent: March 29, 1994Assignee: Yoshida Kogyo K.K.Inventors: Shunji Akashi, Tsutomu Yonezawa, Masahiro Kusayama
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Patent number: 5025535Abstract: A bottom end stop for a slide fastener is disclosed, which is formed by injection molding of a plastics material into a multi-shape structure designed to eliminate unintentional separation or "chain crack" of the fastener which would otherwise take place at the joint between the end stop and an endmost or terminal one of discrete coupling elements when upwardly directed thrust force is exerted from under the fastener.Type: GrantFiled: February 7, 1990Date of Patent: June 25, 1991Assignee: Yoshida Kogyo, K.K.Inventor: Masahiro Kusayama
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Patent number: 4842799Abstract: A method of applying end stop members by injection molding to a slide fastener having rows of coupling elements on opposed stringer tape edges, a predetermined length of each of these tape edges being held upright or substantially vertical to the plane of the tape web and embraced by end stops molded in place with that predetermined length of tape edges maintaining alignment with its neighboring contiguous tape edge outside the molded end stop.Type: GrantFiled: April 6, 1987Date of Patent: June 27, 1989Assignee: Yoshida Kogyo K. K.Inventor: Masahiro Kusayama
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Patent number: 4817252Abstract: A fluid-tight slide fastener comprising a pair of stringers each having a support tape and a row of coupling elements mounted on and along a folded inner longitudinal tape edge, a slider slidably mounted on the opposed rows of coupling elements, and an end stop mounted on the tapes and having embedded therein a length of the folded edge. Each folded edge includes a sealing abutment extending over a specified length of permenently interengaged coupling element rows adjacent the end stop. The opposed sealing abutments define a substantially inverted "V" cross-sectional profile.Type: GrantFiled: October 20, 1987Date of Patent: April 4, 1989Assignee: Yoshida Kogyo K. K.Inventor: Masahiro Kusayama
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Patent number: 4782563Abstract: An end stop for slide fasteners includes a rectangular block molded on a portion of folded inner longitudinal tape edges including a plurality of coupling elements mounted thereon, and an integral peripheral seat attached to opposed stringer tapes. The block has an end wall engageable with the slider, and a recess extending in the end wall and defined by and between the block and a portion of the peripheral seat. The portion of the peripheral seat terminates slightly short of the end wall of the block with the result that the slider is brought into abutment with the block without interference with the peripheral seat. The recess serves to absorb shock force which would otherwise be transmitted directly to the peripheral seat when the slider impinges on the block.Type: GrantFiled: February 1, 1988Date of Patent: November 8, 1988Assignee: Yoshida Kogyo K. K.Inventor: Masahiro Kusayama
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Patent number: 4780937Abstract: A fluid-tight slide fastener comprises a pair of stringers each having a water-proof support tape and a row of coupling elements mounted on and along a bent inner longitudinal edge of the support tape, a slider slidably mounted on the two rows of coupling elements to take the latter into and out of coupling engagement with each other to close and open the slide fastener, and a top end stop mounted on upper ends of the support tapes and having embedded therein a length of the folded edges. The bent inner longitudinal edge has throughout the length thereof a pair of upper and lower sealing abutments disposed on opposite sides of an intermediate portion folded around the row of coupling elements. The upper sealing abutments are spaced from one another by a first distance substantially equal to the width of a diamond of the slider while the lower sealing abutments are spaced from one another by a second distance smaller than the width of the slider diamond.Type: GrantFiled: February 1, 1988Date of Patent: November 1, 1988Assignee: Yoshida Kogyo K.K.Inventor: Masahiro Kusayama
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Patent number: 4658480Abstract: A fluid-tight slide fastener of the type in which an inner longitudinal edge portion of each of opposed tapes is folded so as to extend around base portions of successive I-shaped coupling elements and in which successive U-shaped first clamping strips surround, in clinched form, the folded edge portion over the base portion of the respective coupling element, each of opposed top stops includes an elongate plate of an I-shaped cross section corresponding to the shape of the coupling elements and having a base part surrounded by the folded edge portion of the tape, and a second clamping strip of a C-shaped cross section corresponding to the shape of the first clamping strips and surrounding, in clinched form, the folded edge portion over the base part of the elongate plate. When the slide fastener is fully closed, the opposed top stops are entirely received in the guide channel of a slider.Type: GrantFiled: July 25, 1986Date of Patent: April 21, 1987Assignee: Yoshida Kogyo K.K.Inventors: Koitsu Morioka, Masahiro Kusayama
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Patent number: 4604775Abstract: A fluid-tight sealing slide fastener includes a pair of rows of coupling elements mounted respectively on inner opposite edges of a stringer tape, an elastomeric top stop mounted on the stringer tape around a terminal opening at ends of the rows of coupling elements, and a slider for taking the rows of coupling elements into and out of intermeshing engagement. The slider includes a slider body having a pair of upper and lower plates interconnected by a diamond, a presser having a plurality of pins extending through the upper plate, and a screw having a threaded shank threaded in a cylindrical body on the upper plate of the slider body and a head acting on the presser. When the slide fastener is closed and the screw is tightened, the pins are pressed against the top stop which is resiliently pressed against the lower plate and the diamond of the slider body to provide fluid-tight sealing between the top stop and the slider.Type: GrantFiled: December 21, 1983Date of Patent: August 12, 1986Assignee: Yoshida Kogyo, K. K.Inventor: Masahiro Kusayama
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Patent number: 4447936Abstract: A slide fastener has a separable bottom end stop including a pair of separate members mounted on opposite marginal beads of a pair of stringers having interlocking fastener elements carried on the beads. The bottom end stop members are disposed adjacent to the lowermost fastener element for being interlocked with one another. A pair of register marks is disposed one on each of the stringers and is spaced from the bottom stop members to such an extent that the register marks are disposed below the rear end of the slider at the beginning of interlocking of the bottom stop members within the slider upon threading of the pair of stringers through the slider. The register marks are used as a reference to place the separate bottom stop members in correct alignment one with another for proper interlocking.Type: GrantFiled: October 13, 1981Date of Patent: May 15, 1984Assignee: Yoshida Kogyo K KInventor: Masahiro Kusayama
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Patent number: 4441235Abstract: A slide fastener bottom end stop comprises three members combinable into a functionally integral body upon being threaded through a slider. A first member which is mounted on a first bead and substantially identical in shape and size with a fastener element engages a lowermost element on a second bead. A second member which is mounted on the first bead a given distance below the first member has protuberances extending obliquely upwardly towards the second bead. A third member which is mounted on the second bead one interelement distance below the lowermost element has tongues extending obliquely downwardly towards the first bead for smooth engagement with the protuberances of the second member.Type: GrantFiled: January 22, 1981Date of Patent: April 10, 1984Assignee: Yoshida Kogyo K. K.Inventor: Masahiro Kusayama
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Patent number: D358757Type: GrantFiled: July 12, 1993Date of Patent: May 30, 1995Assignee: Yoshida Kogyo K.K.Inventors: Mitsuru Akeno, Masahiro Kusayama
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Patent number: D358758Type: GrantFiled: July 14, 1993Date of Patent: May 30, 1995Assignee: Yoshida Kogyo K.K.Inventors: Mitsuru Akeno, Masahiro Kusayama