Patents by Inventor Junichi Muramatsu
Junichi Muramatsu 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: 9955956Abstract: A needle tube includes: a tubular main body section; a distal opening section; a needle tip; a side hole disposed closer to the proximal end side of the main body than the tip; a side hole inner circumferential edge extending around the longitudinal axis of the main body where the side hole and the inner circumferential surface intersect; a side hole outer circumferential edge extending around the longitudinal axis of the main body where the side hole and the outer circumferential surface intersect; and an engaged surface formed between the side hole inner circumferential edge and the side hole outer circumferential edge to be directed toward the proximal end of the main body section and configured to lock biological tissue entering from the distal opening section, wherein the side hole forms an opening area smaller than that of the distal opening.Type: GrantFiled: August 16, 2016Date of Patent: May 1, 2018Assignee: OLYMPUS CORPORATIONInventors: Nobuyoshi Asaoka, Junichi Muramatsu, Keita Suzuki
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Patent number: 9918703Abstract: A needle tube includes: a tubular main body section; a distal opening section; a needle tip; a side hole disposed closer to the proximal end side of the main body than the tip; a side hole inner circumferential edge extending around the longitudinal axis of the main body where the side hole and the inner circumferential surface intersect; a side hole outer circumferential edge extending around the longitudinal axis of the main body where the side hole and the outer circumferential surface intersect; and an engaged surface formed between the side hole inner circumferential edge and the side hole outer circumferential edge to be directed toward the proximal end of the main body section and configured to lock biological tissue entering from the distal opening section, wherein the side hole forms an opening area smaller than that of the distal opening.Type: GrantFiled: August 16, 2016Date of Patent: March 20, 2018Assignee: OLYMPUS CORPORATIONInventors: Nobuyoshi Asaoka, Junichi Muramatsu, Keita Suzuki
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Publication number: 20170290572Abstract: A method for collecting tissue includes a body fluid removal step in which a body fluid inside a pancreatic cyst is moved to an outside of the pancreatic cyst, an injecting step in which a liquid different from the body fluid is injected into the pancreatic cyst, a collecting step in which the liquid is collected from the pancreatic cyst, and a separating step in which tissue of an inner wall of the pancreatic cyst, which is contained in the liquid collected from the pancreatic cyst, is separated from the liquid.Type: ApplicationFiled: April 8, 2016Publication date: October 12, 2017Applicant: OLYMPUS CORPORATIONInventors: Mari NAKATA, Hiromi SANUKI, Junichi MURAMATSU, Keita SHOJI
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Publication number: 20160354066Abstract: A needle tube includes: a tubular main body section; a distal opening section; a needle tip; a side hole disposed closer to the proximal end side of the main body than the tip; a side hole inner circumferential edge extending around the longitudinal axis of the main body where the side hole and the inner circumferential surface intersect; a side hole outer circumferential edge extending around the longitudinal axis of the main body where the side hole and the outer circumferential surface intersect; and an engaged surface formed between the side hole inner circumferential edge and the side hole outer circumferential edge to be directed toward the proximal end of the main body section and configured to lock biological tissue entering from the distal opening section, wherein the side hole forms an opening area smaller than that of the distal opening.Type: ApplicationFiled: August 16, 2016Publication date: December 8, 2016Applicant: OLYMPUS CORPORATIONInventors: Nobuyoshi ASAOKA, Junichi MURAMATSU, Keita SUZUKI
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Publication number: 20160339853Abstract: A wire harness includes a power line that extends from a power-supply control box to supply electrical power to one or more power-requiring devices; a communication line that extends from the power-supply control box to perform communication with one or more communication devices; a plurality of area drivers that are coupled with the power line and the communication line and are coupled to three or more of devices out of the one or more power-requiring devices and the one or more communication devices within each of areas; and individual electrical wires that couple the three or more of devices within the respective areas to the plurality of area drivers.Type: ApplicationFiled: May 19, 2016Publication date: November 24, 2016Inventors: Hideaki KIKUCHI, Tohru YAMAGUCHI, Masahiro ITO, Junichi MURAMATSU, Tatsuya SHIRATORI
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Patent number: 8998825Abstract: The endoscope treatment system includes an endoscope treatment tool that has an operating section including a distal end and a proximal end, and a sheath that is connected to the distal end of the operating section and is formed with a lumen into which the guide wire is capable of being inserted; a guide wire holder that has a tube member, in which the guide wire is accommodated, and that is circumferentially wound; and a fixing member that couples the operating section to the guide wire holder so that the distal end and the proximal end of the operating section are located outside the circumference of the guide wire holder.Type: GrantFiled: November 27, 2013Date of Patent: April 7, 2015Assignee: Olympus Medical Systems Corp.Inventors: Kiyotaka Matsuno, Junichi Muramatsu, Hidenori Yoshida
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Patent number: 8900254Abstract: The present invention has an introducing tube capable of being inserted into a living body cavity, a manipulating wire movably inserted into this introducing tube, at least two or more clips, and a ligating wire causing the clip and the manipulating wire to be engaged with each other wherein, when the clip is ligated, a tensile stress of the manipulating wire is always applied only to the clip located at the most distal end.Type: GrantFiled: December 22, 2005Date of Patent: December 2, 2014Assignee: Olympus CorporationInventors: Tsukasa Kobayashi, Junichi Muramatsu, Takayuki Suzuki, Ko Kimura, Hideki Shimonaka
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Publication number: 20140171833Abstract: The endoscope treatment system includes an endoscope treatment tool that has an operating section including a distal end and a proximal end, and a sheath that is connected to the distal end of the operating section and is formed with a lumen into which the guide wire is capable of being inserted; a guide wire holder that has a tube member, in which the guide wire is accommodated, and that is circumferentially wound; and a fixing member that couples the operating section to the guide wire holder so that the distal end and the proximal end of the operating section are located outside the circumference of the guide wire holder.Type: ApplicationFiled: November 27, 2013Publication date: June 19, 2014Applicant: OLYMPUS MEDICAL SYSTEMS CORP.Inventors: Kiyotaka MATSUNO, Junichi MURAMATSU, Hidenori YOSHIDA
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Patent number: 8486518Abstract: An epoxy resin composition suitably used for a prepreg which can complete curing in a short time even at a low temperature and secure a sufficient usable period under preservation at room temperature, in comparison with conventional epoxy resin compositions. An epoxy resin composition comprising at least one of an epoxy resin, an amine compound having at least one sulfur atom in the molecule thereof, and a reaction product of an epoxy resin and an amine compound having at least one sulfur atom in the molecule thereof, and an amine compound having at least one sulfur atom in the molecule thereof, and a urea compound and a dicyandiamide, wherein each of the contents of the sulfur atom and the urea compound in the epoxy resin composition is respectively 0.2 to 7% by mass and 1 to 15% by mass.Type: GrantFiled: March 27, 2008Date of Patent: July 16, 2013Assignee: Mitsubishi Rayon Co., Ltd.Inventors: Tsuneo Takano, Akitada Yanase, Tadashi Sakai, Kiharu Numata, Akihiro Ito, Masato Taguchi, Junichi Muramatsu, Kazuya Goto, Kazuki Koga
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Patent number: 8470435Abstract: An epoxy resin composition suitably used for a prepreg which can complete curing in a short time even at a low temperature and secure a sufficient usable period under preservation at room temperature, in comparison with conventional epoxy resin compositions. An epoxy resin composition comprising at least one of an epoxy resin, an amine compound having at least one sulfur atom in the molecule thereof, and a reaction product of an epoxy resin and an amine compound having at least one sulfur atom in the molecule thereof, and an amine compound having at least one sulfur atom in the molecule thereof, and a urea compound and a dicyandiamide, wherein each of the contents of the sulfur atom and the urea compound in the epoxy resin composition is respectively 0.2 to 7% by mass and 1 to 15% by mass.Type: GrantFiled: March 27, 2008Date of Patent: June 25, 2013Assignee: Mitsubishi Rayon Co., Ltd.Inventors: Tsuneo Takano, Akitada Yanase, Tadashi Sakai, Kiharu Numata, Akihiro Ito, Masato Taguchi, Junichi Muramatsu, Kazuya Goto, Kazuki Koga
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Patent number: 8348964Abstract: This invention includes a clip having arms which grip living tissue, a press tube serving as a clamping member which is fitted and mounted on the clip to close the arms of the clip, a coupling member which can be inserted into the press tube and engages with the clip, and projections serving as lock portions which hold the arms of the clip in a closed state when the clip engages with the press tube.Type: GrantFiled: May 5, 2010Date of Patent: January 8, 2013Assignee: Olympus CorporationInventors: Ko Kimura, Kiyotaka Matsuno, Takayuki Suzuki, Junichi Muramatsu, Tsukasa Kobayashi, Hideki Shimonaka
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Patent number: 8298276Abstract: A stent delivery system which is inserted into an endoscope and is for placing a stent inside a body cavity, this stent delivery system being provided with a long pusher catheter which is flexible; a guide catheter which can pass through the lumen of the pusher catheter in a freely advancing and retracting manner; and a stent which is disposed to the front end of the pusher catheter, and has a cylindrical stent main body into which the guide catheter can be inserted, and a grip piece that is attached so as to extend from the main body and consists of a long narrow member that is pliable and can be disposed in the space between the guide catheter when it is inserted into the lumen of the pusher catheter.Type: GrantFiled: December 3, 2007Date of Patent: October 30, 2012Assignee: Olympus Medical Systems Corp.Inventors: Keita Ozawa, Junichi Muramatsu
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Patent number: 8219150Abstract: According to an aspect of the invention, there is provided a mobile phone including: a first storage configured to store transit information associated with a destination scene for each scene; a second storage configured to store frequency information representing a frequency as to a route passing through a source scene, a first scene transited from the source scene and a second scene transited from the first scene; a first display configured to selectably display a candidate of the second scene, depending upon a transition from the source scene to the first scene and upon the transit information; a second display configured to selectably display a candidate of the second scene, depending upon a transition from the source scene to the first scene and upon the frequency information; and a transit unit configured to transit from the candidate displayed to a scene of the candidate if the displayed candidate is selected.Type: GrantFiled: December 10, 2007Date of Patent: July 10, 2012Assignee: Fujitsu Toshiba Mobile Communications LimitedInventors: Junichi Muramatsu, Masaaki Miyatake, Kenji Koyano
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Patent number: 8157824Abstract: This invention includes a clip having arms which grip living tissue, a press tube serving as a clamping member which is fitted and mounted on the clip to close the arms of the clip, a coupling member which can be inserted into the press tube and engages with the clip, and projections serving as lock portions which hold the arms of the clip in a closed state when the clip engages with the press tube.Type: GrantFiled: May 5, 2010Date of Patent: April 17, 2012Assignee: Olympus CorporationInventors: Ko Kimura, Kiyotaka Matsuno, Takayuki Suzuki, Junichi Muramatsu, Tsukasa Kobayashi, Hideki Shimonaka
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Patent number: 8152824Abstract: This invention includes a clip having arms which grip living tissue, a press tube serving as a clamping member which is fitted and mounted on the clip to close the arms of the clip, a coupling member which can be inserted into the press tube and engages with the clip, and projections serving as lock portions which hold the arms of the clip in a closed state when the clip engages with the press tube.Type: GrantFiled: May 5, 2010Date of Patent: April 10, 2012Assignee: Olympus CorporationInventors: Ko Kimura, Kiyotaka Matsuno, Takayuki Suzuki, Junichi Muramatsu, Tsukasa Kobayashi, Hideki Shimonaka
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Patent number: 7959838Abstract: An epoxy resin composition suitably used for a prepreg which can complete curing in a short time even at a low temperature and secure a sufficient usable period under preservation at room temperature, in comparison with conventional epoxy resin compositions. An epoxy resin composition comprising at least one of an epoxy resin, an amine compound having at least one sulfur atom in the molecule thereof, and a reaction product of an epoxy resin and an amine compound having at least one sulfur atom in the molecule thereof, and an amine compound having at least one sulfur atom in the molecule thereof, and a urea compound and a dicyandiamide, wherein each of the contents of the sulfur atom and the urea compound in the epoxy resin composition is respectively 0.2 to 7% by mass and 1 to 15% by mass.Type: GrantFiled: March 27, 2008Date of Patent: June 14, 2011Assignee: Mitsubishi Rayon Co., Ltd.Inventors: Tsuneo Takano, Akitada Yanase, Tadashi Sakai, Kiharu Numata, Akihiro Ito, Masato Taguchi, Junichi Muramatsu, Kazuya Goto, Kazuki Koga
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Patent number: 7883766Abstract: A prepreg is provided capable of being a composite material having suitable high heat resistance, impact resistance, and mechanical properties under high temperature and high humidity conditions. As the matrix resin, a composition including a specific epoxy resin component (A), a specific bifunctional epoxy resin (B), a specific tetrafunctional epoxy resin (C), and a specific aromatic amine compound (D) at specific proportions are used. Particularly, as the epoxy resin component (A), one obtained by mixing and heating a bifunctional epoxy resin (a1), a trifunctional epoxy resin (a2), a phenol compound (a3), and a specific polyamide resin (a4) is used so as to be able to solve the above-described problems.Type: GrantFiled: July 12, 2006Date of Patent: February 8, 2011Assignee: Mitsubishi Rayon Co., Ltd.Inventors: Akihiro Ito, Tadayoshi Saitou, Ietsugu Santo, Junichi Muramatsu, Yasuo Takagi, Kiharu Numata, Yasuhiro Fukuhara, Mina Oobayashi
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Publication number: 20100217294Abstract: This invention includes a clip having arms which grip living tissue, a press tube serving as a clamping member which is fitted and mounted on the clip to close the arms of the clip, a coupling member which can be inserted into the press tube and engages with the clip, and projections serving as lock portions which hold the arms of the clip in a closed state when the clip engages with the press tube.Type: ApplicationFiled: May 5, 2010Publication date: August 26, 2010Applicant: OLYMPUS CORPORATIONInventors: Ko Kimura, Kiyotaka Matsuno, Takayuki Suzuki, Junichi Muramatsu, Tsukasa Kobayashi, Hideki Shimonaka
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Publication number: 20100217292Abstract: This invention includes a clip having arms which grip living tissue, a press tube serving as a clamping member which is fitted and mounted on the clip to close the arms of the clip, a coupling member which can be inserted into the press tube and engages with the clip, and projections serving as lock portions which hold the arms of the clip in a closed state when the clip engages with the press tube.Type: ApplicationFiled: May 5, 2010Publication date: August 26, 2010Applicant: OLYMPUS CORPORATIONInventors: Ko Kimura, Kiyotaka Matsuno, Takayuki Suzuki, Junichi Muramatsu, Tsukasa Kobayashi, Hideki Shimonaka
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Publication number: 20100217293Abstract: This invention includes a clip having arms which grip living tissue, a press tube serving as a clamping member which is fitted and mounted on the clip to close the arms of the clip, a coupling member which can be inserted into the press tube and engages with the clip, and projections serving as lock portions which hold the arms of the clip in a closed state when the clip engages with the press tube.Type: ApplicationFiled: May 5, 2010Publication date: August 26, 2010Applicant: OLYMPUS CORPORATIONInventors: Ko Kimura, Kiyotaka Matsuno, Takayuki Suzuki, Junichi Muramatsu, Tsukasa Kobayashi, Hideki Shimonaka