Patents by Inventor Kazuhisa Ninomiya
Kazuhisa Ninomiya 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).
-
Patent number: 8591939Abstract: The present invention provides a Fentanyl-containing percutaneously absorbable adhesive preparation, which is obtained from economic starting materials, has a constitution simpler than that of conventional ones, has sufficient skin permeability, and which permits control of skin permeability by changing the mixing ratio of two kinds of polyisobutylene having different molecular weights, a tackifier and an organic liquid. Specifically, the present invention provides a percutaneously absorbable adhesive preparation comprising a support and an adhesive layer laminated on one surface thereof, wherein the adhesive layer comprises Fentanyl, two kinds of polyisobutylene having different molecular weights, a tackifier and an organic liquid compatible with the aforementioned two kinds of polyisobutylene and the aforementioned tackifier.Type: GrantFiled: August 4, 2005Date of Patent: November 26, 2013Assignee: Nitto Denko CorporationInventors: Yuji Saeki, Masato Nishimura, Kensuke Matsuoka, Takateru Muraoka, Yoshifumi Hosaka, Mitsuhiko Hori, Kazuhisa Ninomiya, Hitoshi Akemi, Hidetoshi Kuroda
-
Patent number: 8506991Abstract: The present invention provides a production method of a nicotine transdermal preparation, which is capable of producing a nicotine transdermal preparation conveniently and economically, while maintaining highly precise content uniformity, which is capable of producing a preparation simultaneously achieving fixedness and a soft feeling during adhesion, associated with reduced skin irritation upon peeling off and superior in adhesive property. The present invention provides a nicotine transdermal preparation superior in content uniformity, simultaneously achieving fixedness and a soft feeling during adhesion, and showing reduced skin irritation upon peeling off.Type: GrantFiled: October 12, 2006Date of Patent: August 13, 2013Assignee: Nitto Denko CorporationInventors: Shiro Satoda, Kazuhisa Ninomiya, Junichi Saito, Kensuke Matsuoka, Shunetsu Kikuchi
-
Patent number: 8394404Abstract: The present invention provides an adhesive material to be adhered to the skin etc., which maintains, for a certain time period after adhesion thereof to the skin surface, suitable adhesiveness that does not allow easy peeling or cause irritation to the skin, and which permits, when it is to be peeled off from the skin surface after the lapse of a desired certain time period, easy peeling without causing pain or physical irritation, and an adhesive preparation containing the adhesive material and a percutaneously absorbable drug in the adhesive layer. Specifically, the present invention provides an adhesive material containing a support and an adhesive layer laminated on one surface of the support, wherein the adhesive layer has an apparent viscosity at 30° C. of 0.2×104 to 10×104 Pa·s and comprises two kinds of synthetic rubbers having different flowability.Type: GrantFiled: August 4, 2005Date of Patent: March 12, 2013Assignee: Nitto Denko CorporationInventors: Hitoshi Akemi, Kazuhisa Ninomiya, Hidetoshi Kuroda, Kensuke Matsuoka, Yuji Saeki, Masato Nishimura
-
Patent number: 8327903Abstract: A manufacturing apparatus of a transdermal absorption preparation includes an adhesive sheet supplying part to feed out a band-like first adhesive sheet into a runway, wherein the adhesive sheet has at least an adhesive layer comprising an adhesive and a liquid component compatible with the adhesive, a drug liquid application part to apply a given amount of a drug liquid to an adhesive face, and a traveling section for impregnation which is set in the runway after the drug liquid application part, during which the adhesive sheet is run for a period necessary for the applied drug liquid to soak into the adhesive layer without contact of the drug liquid coated face of the adhesive layer with other members.Type: GrantFiled: December 17, 2007Date of Patent: December 11, 2012Assignee: Nitto Denko CorporationInventors: Shiro Satoda, Shunetsu Kikuchi, Kazuhisa Ninomiya, Katsuhiro Okada, Hitoshi Akemi
-
Patent number: 7650994Abstract: The present invention provides an adhesive preparation package containing an adhesive preparation and a packaging film(s) enclosing said preparation, the packaging films being heat-sealed around the adhesive preparation, wherein the heat-sealed portion of the packaging film comprises an embossed heat-sealed portion and a flat heat-sealed portion, and the embossed heat-sealed portion and the flat heat-sealed portion each form a pattern surrounding the periphery of the adhesive preparation. The adhesive preparation package of the present invention is free of occurrence of pinholes in a heat-sealed portion and can maintain superior air-tightness and sterility.Type: GrantFiled: June 29, 2005Date of Patent: January 26, 2010Assignee: Nitto Denko CorporationInventors: Kazuhisa Ninomiya, Shoji Goshima
-
Publication number: 20080213475Abstract: The present invention provides an adhesive sheet including a substrate consisting of a synthetic resin film and a nonwoven fabric laminated on one side of the film, and an adhesive layer formed on the nonwoven fabric, wherein the nonwoven fabric contains polyethyleneimine at least on a surface of the nonwoven fabric.Type: ApplicationFiled: February 19, 2008Publication date: September 4, 2008Applicant: NITTO DENKO CORPORATIONInventors: Mitsuhiko HORI, Kazuhisa NINOMIYA, Kensuke MATSUOKA, Keiji YAMAMOTO, Kenjiro MINOMI, Yoshihisa NAKANO
-
Publication number: 20080149277Abstract: A manufacturing apparatus of a transdermal absorption preparation, comprising an adhesive sheet supplying part A to feed out a band-like first adhesive sheet 3 into a runway, wherein the adhesive sheet has at least an adhesive layer comprising an adhesive and a liquid component compatible with the adhesive, a drug liquid application part B to apply a given amount of a drug liquid to an adhesive face 2b, and a traveling section C for impregnation which is set in the runway after the drug liquid application part B, during which the adhesive sheet is run for a period necessary for the applied drug liquid to soak into the adhesive layer without contact of the drug liquid coated face of the adhesive layer with other members.Type: ApplicationFiled: December 17, 2007Publication date: June 26, 2008Inventors: Shiro Satoda, Shunetsu Kikuchi, Kazuhisa Ninomiya, Katsuhiro Okada, Hitoshi Akemi
-
Publication number: 20070087043Abstract: The present invention provides a production method of a nicotine transdermal preparation, which is capable of producing a nicotine transdermal preparation conveniently and economically, while maintaining highly precise content uniformity, which is capable of producing a preparation simultaneously achieving fixedness and a soft feeling during adhesion, associated with reduced skin irritation upon peeling off and superior in adhesive property. The present invention provides a nicotine transdermal preparation superior in content uniformity, simultaneously achieving fixedness and a soft feeling during adhesion, and showing reduced skin irritation upon peeling off.Type: ApplicationFiled: October 12, 2006Publication date: April 19, 2007Inventors: Shiro Satoda, Kazuhisa Ninomiya, Junichi Saito, Kensuke Matsuoka, Shunetsu Kikuchi
-
Publication number: 20070026055Abstract: The present invention provides a production method of a nicotine transdermal preparation, which includes a step of forming, on a support, an adhesive layer containing an adhesive and a liquid ingredient compatible with the adhesive, and a step of impregnating the adhesive layer with nicotine by continuously applying nicotine to the adhesive layer. The production method of the present invention permits direct application of nicotine to the adhesive layer, which is not possible by conventional techniques, and the nicotine transdermal preparation provided by the method is associated with less physical skin irritation on peeling off and affords a good feeling during adhesion.Type: ApplicationFiled: July 31, 2006Publication date: February 1, 2007Inventors: Kazuhisa Ninomiya, Shiro Satoda, Junichi Saito, Hidetoshi Kuroda
-
Publication number: 20060286160Abstract: The present invention provides a nicotine transdermal delivery system including an adhesive layer containing a free base nicotine and a liquid ingredient compatible with the adhesive, wherein the adhesive layer is crosslinked, and the liquid ingredient is contained in a proportion of 20-75 parts by weight, per 100 parts by weight of the adhesive layer as a whole. The nicotine transdermal delivery system has good adhesiveness and cohesion, and simultaneously achieves low irritation to the skin during peeling off and a fine feeling during adhesion.Type: ApplicationFiled: June 20, 2006Publication date: December 21, 2006Inventors: Shiro Satoda, Hidetoshi Kuroda, Junichi Saito, Kazuhisa Ninomiya
-
Publication number: 20060034900Abstract: The present invention provides a Fentanyl-containing percutaneously absorbable adhesive preparation, which is obtained from economic starting materials, has a constitution simpler than that of conventional ones, has sufficient skin permeability, and which permits control of skin permeability by changing the mixing ratio of two kinds of polyisobutylene having different molecular weights, a tackifier and an organic liquid. Specifically, the present invention provides a percutaneously absorbable adhesive preparation comprising a support and an adhesive layer laminated on one surface thereof, wherein the adhesive layer comprises Fentanyl, two kinds of polyisobutylene having different molecular weights, a tackifier and an organic liquid compatible with the aforementioned two kinds of polyisobutylene and the aforementioned tackifier.Type: ApplicationFiled: August 4, 2005Publication date: February 16, 2006Applicant: Nitto Denko CorporationInventors: Yuji Saeki, Masato Nishimura, Kensuke Matsuoka, Takateru Muraoka, Yoshifumi Hosaka, Mitsuhiko Hori, Kazuhisa Ninomiya, Hitoshi Akemi, Hidetoshi Kuroda
-
Publication number: 20060034901Abstract: The present invention provides an adhesive material to be adhered to the skin etc., which maintains, for a certain time period after adhesion thereof to the skin surface, suitable adhesiveness that does not allow easy peeling or cause irritation to the skin, and which permits, when it is to be peeled off from the skin surface after the lapse of a desired certain time period, easy peeling without causing pain or physical irritation, and an adhesive preparation containing the adhesive material and a percutaneously absorbable drug in the adhesive layer. Specifically, the present invention provides an adhesive material containing a support and an adhesive layer laminated on one surface of the support, wherein the adhesive layer has an apparent viscosity at 30° C. of 0.2×104 to 10×104Pa.s and comprises two kinds of synthetic rubbers having different flowability.Type: ApplicationFiled: August 4, 2005Publication date: February 16, 2006Applicant: Nitto Denko CorporationInventors: Hitoshi Akemi, Kazuhisa Ninomiya, Hidetoshi Kuroda, Kensuke Matsuoka, Yuji Saeki, Masato Nishimura
-
Publication number: 20060000734Abstract: The present invention provides an adhesive preparation package containing an adhesive preparation and a packaging film(s) enclosing said preparation, the packaging films being heat-sealed around the adhesive preparation, wherein the heat-sealed portion of the packaging film comprises an embossed heat-sealed portion and a flat heat-sealed portion, and the embossed heat-sealed portion and the flat heat-sealed portion each form a pattern surrounding the periphery of the adhesive preparation. The adhesive preparation package of the present invention is free of occurrence of pinholes in a heat-sealed portion and can maintain superior air-tightness and sterility.Type: ApplicationFiled: June 29, 2005Publication date: January 5, 2006Applicant: Nitto Denko CorporationInventors: Kazuhisa Ninomiya, Shoji Goshima
-
Publication number: 20050271713Abstract: The topical anesthetic preparation of the present invention for a pretreatment for upper gastrointestinal endoscopy includes a long support having a stiffness of 40-150 mm, and a plaster layer containing at least a topical anesthetic and an adhesive polymer, which is formed on one surface or both surfaces of one end in the longitudinal direction of the support, and preferably, a gripper of a given structure. The topical anesthetic preparation shows a high drug utilization rate and preferably can easily identify use or non-use.Type: ApplicationFiled: June 6, 2005Publication date: December 8, 2005Applicant: Nitto Denko CorporationInventors: Junichi Saito, Kazuhisa Ninomiya
-
Patent number: 6676960Abstract: An intraoral adhesive preparation is provided, which contains a support made of a nonwoven fabric mainly made of split type conjugated fibers, and an adhesive plaster layer containing a drug, which is formed on the support, wherein the split type conjugated fiber has an about triangular sectional shape after splitting, where the about triangle has the longest diameter (DL) of 5 &mgr;m-15 &mgr;m, and the longest line segment (DS) that vertically crosses the longest diameter of 2 &mgr;m-10 &mgr;m.Type: GrantFiled: August 28, 2001Date of Patent: January 13, 2004Assignee: Nitto Denko CorporationInventors: Junichi Saito, Kazuhisa Ninomiya, Masaaki Ito
-
Publication number: 20030009139Abstract: The present invention provides an adhesive sheet including a substrate consisting of a synthetic resin film and a nonwoven fabric laminated on one side of the film, and an adhesive layer formed on the nonwoven fabric, wherein the nonwoven fabric contains polyethyleneimine at least on a surface of the nonwoven fabric.Type: ApplicationFiled: June 19, 2002Publication date: January 9, 2003Applicant: Nitto Denko CorporationInventors: Mitsuhiko Hori, Kazuhisa Ninomiya, Kensuke Matsuoka, Keiji Yamamoto, Kenjiro Minomi, Yoshihisa Nakano
-
Patent number: 6407954Abstract: A nonvolatile semiconductor memory device comprises a plurality of sectors each having a plurality of memory cell arrays, a controller which responds to an address signal and a control signal to activate at least one of the sectors; and a plurality of data comparing circuits provided in the memory cell arrays, respectively, the data comparing circuits each which latches a write data to be written the respective memory cell arrays and compares the write data latched and a data read out from the respective memory cell arrays to produce a comparison result. The controller activates all of the sectors when the control signal has a first logic level regardless of levels of the address signal so that write data is written into the memory cell arrays of the sectors activated. The controller activates the sectors in sequence in response to changing levels of the address signal when the control signal has a second logic level to output the comparison results from the data comparing circuits in sequence.Type: GrantFiled: February 12, 2001Date of Patent: June 18, 2002Assignee: NEC CorporationInventors: Kazuhisa Ninomiya, Mitsuru Sekiguchi
-
Publication number: 20020071860Abstract: An intraoral adhesive preparation is provided, which contains a support made of a nonwoven fabric mainly made of split type conjugated fibers, and an adhesive plaster layer containing a drug, which is formed on the support, wherein the split type conjugated fiber has an about triangular sectional shape after splitting, where the about triangle has the longest diameter (DL) of 5 &mgr;m-15 &mgr;m, and the longest line segment (DS) that vertically crosses the longest diameter of 2 &mgr;m-10 &mgr;m.Type: ApplicationFiled: August 28, 2001Publication date: June 13, 2002Applicant: Nitto Denko CorporationInventors: Junichi Saito, Kazuhisa Ninomiya, Masaaki Ito
-
Patent number: 6387392Abstract: An intraoral adhesive preparation is provided, which has a support made of a cloth, and a pressure-sensitive adhesive layer containing a drug, which is formed on one surface of the support, wherein the dissolution of the drug into water from the surface of the support, which surface being free of a pressure-sensitive adhesive layer, after immersion in water at 32° C. for 20 minutes, is not more than 25 wt % of the total content of the drug.Type: GrantFiled: August 23, 2001Date of Patent: May 14, 2002Assignee: Nitto Denko CorporationInventors: Junichi Saito, Kazuhisa Ninomiya
-
Publication number: 20020051753Abstract: An intraoral adhesive preparation is provided, which has a support made of a cloth, and a pressure-sensitive adhesive layer containing a drug, which is formed on one surface of the support, wherein the dissolution of the drug into water from the surface of the support, which surface being free of a pressure-sensitive adhesive layer, after immersion in water at 32° C. for 20 minutes, is not more than 25 wt % of the total content of the drug.Type: ApplicationFiled: August 23, 2001Publication date: May 2, 2002Applicant: Nitto Denko CorporationInventors: Junichi Saito, Kazuhisa Ninomiya