Patents by Inventor Pilryon Lee
Pilryon Lee 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: 8298514Abstract: The present invention provides an agent and a method for enhancing a contrast of an image of fluorescent staining of a lumen of the digestive tract with an intravenously administered fluorescent dye, wherein the agent for enhancing a contrast is an agent for a lumen of the digestive tract containing an aqueous solution having a buffer capacity and having a pH of 6 to 10.Type: GrantFiled: June 14, 2007Date of Patent: October 30, 2012Assignee: HOYA CorporationInventors: Akira Yamamoto, Yusuke Iimori, Mizue Saze, Mariko Ishiguro, Pilryon Lee
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Patent number: 8052660Abstract: A liquid applicator for an endoscope configured to apply liquid to in vivo tissue includes a flexible tube to be inserted into and extracted from a treatment tool insertion channel of the endoscope, a brush member provided at a distal end of the flexible tube, and a fluid channel formed in the flexible tube to supply the liquid to the brush member.Type: GrantFiled: December 13, 2006Date of Patent: November 8, 2011Assignee: Hoya CorporationInventors: Akira Yamamoto, Tetsuya Nakamura, Yae Kurosawa, Yusuke Iimori, Pilryon Lee
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Patent number: 7985177Abstract: An endoscope for magnified image observation configured to observe a magnified image of in vivo tissue comprises an insertion part configured to be inserted into a body, a magnified image observation port configured to take in the magnified image of the in vivo tissue in one of a state where the magnified image observation port is in contact with the in vivo tissue and a state where the magnified image observation port is in proximity to the in vivo tissue, the observation port being provided at a distal end of the insertion part, and a marking unit configured to mark the in vivo tissue in one of the state where the magnified image observation port is in contact with the in vivo tissue and the state where the magnified image observation port is in proximity to the in vivo tissue.Type: GrantFiled: December 6, 2006Date of Patent: July 26, 2011Assignee: Hoya CorporationInventors: Tetsuya Nakamura, Akira Yamamoto, Yae Kurosawa, Yusuke Iimori, Pilryon Lee
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Patent number: 7588172Abstract: A liquid spray tool for an endoscope includes a flexible tube to be inserted into and extracted from a treatment tool insertion channel of the endoscope, a liquid storage pouch configured to pool solution to be conveyed into the flexible tube therein, a liquid measuring pouch for measuring an amount of the solution which is arranged between a rear end of the flexible tube and a distal end of the liquid storage pouch, and a first one-way valve arranged between the liquid storage pouch and the liquid measuring pouch, the first one-way valve being configured to allow the solution to pass theretrough from an inside of the liquid storage pouch to an inside of the liquid measuring pouch, and to prevent the solution from passing theretrough from the inside of the liquid measuring pouch to the inside of the liquid storage pouch.Type: GrantFiled: December 15, 2006Date of Patent: September 15, 2009Assignee: Hoya CorporationInventors: Akira Yamamoto, Tetsuya Nakamura, Yae Kurosawa, Yusuke Iimori, Pilryon Lee
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Publication number: 20080045796Abstract: A fluorescent stain which has a function of clarifying the shape of the surface of the gastrointestinal lumen in the visible light wavelength region, and simultaneously, emitting fluorescence by being excited by light of a specific wavelength, and which is also biologically safe and is suitable for endoscopic observation, is provided. A histofluorescent stain composition for endoscopy, containing a compound represented by the following Formula (1): wherein R1 represents a hydrogen atom or a hydroxyl group; R3 represents a phenyl group or methyl group, to which R2c is bound; one to three of R2a, R2b and R2c represent —SO3M (wherein M represents an alkali metal atom or an alkaline earth metal atom), or —SO3NH4, and when one represents —SO3?, the others represent hydrogen atoms is provided.Type: ApplicationFiled: June 6, 2007Publication date: February 21, 2008Applicant: PENTAX CORPORATIONInventors: Akira YAMAMOTO, Yusuke IIMORI, Mizue SAZE, Mariko ISHIGURO, Pilryon LEE, Hiroyuki SASAKI
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Publication number: 20080008656Abstract: It is intended to provide means for more clearly showing an image of fluorescent staining of a lumen of the digestive tract. The present invention provides an agent for enhancing a contrast of an image of fluorescent staining of a lumen of the digestive tract with an intravenously administered fluorescent dye, wherein the agent for enhancing a contrast is an agent for a lumen of the digestive tract containing an aqueous solution having a buffer capacity and having a pH of 6 to 10.Type: ApplicationFiled: June 14, 2007Publication date: January 10, 2008Applicant: PENTAX CORPORATIONInventors: Akira YAMAMOTO, Yusuke IIMORI, Mizue SAZE, Mariko ISHIGURO, Pilryon LEE
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Publication number: 20070149851Abstract: An endoscope for magnified image observation configured to observe a magnified image of in vivo tissue comprises an insertion part configured to be inserted into a body, a magnified image observation port configured to take in the magnified image of the in vivo tissue in one of a state where the magnified image observation port is in contact with the in vivo tissue and a state where the magnified image observation port is in proximity to the in vivo tissue, the observation port being provided at a distal end of the insertion part, and a marking unit configured to mark the in vivo tissue in one of the state where the magnified image observation port is in contact with the in vivo tissue and the state where the magnified image observation port is in proximity to the in vivo tissue.Type: ApplicationFiled: December 6, 2006Publication date: June 28, 2007Applicant: PENTAX CORPORATIONInventors: Tetsuya NAKAMURA, Akira YAMAMOTO, Yae KUROSAWA, Yusuke IIMORI, Pilryon LEE
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Publication number: 20070138206Abstract: A liquid spray tool for an endoscope includes a flexible tube to be inserted into and extracted from a treatment tool insertion channel of the endoscope, a liquid storage pouch configured to pool solution to be conveyed into the flexible tube therein, a liquid measuring pouch for measuring an amount of the solution which is arranged between a rear end of the flexible tube and a distal end of the liquid storage pouch, and a first one-way valve arranged between the liquid storage pouch and the liquid measuring pouch, the first one-way valve being configured to allow the solution to pass theretrough from an inside of the liquid storage pouch to an inside of the liquid measuring pouch, and to prevent the solution from passing theretrough from the inside of the liquid measuring pouch to the inside of the liquid storage pouch.Type: ApplicationFiled: December 15, 2006Publication date: June 21, 2007Applicant: PENTAX CORPORATIONInventors: Akira YAMAMOTO, Tetsuya NAKAMURA, Yae KUROSAWA, Yusuke IIMORI, Pilryon LEE
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Publication number: 20070135776Abstract: A liquid applicator for an endoscope configured to apply liquid to in vivo tissue includes a flexible tube to be inserted into and extracted from a treatment tool insertion channel of the endoscope, a brush member provided at a distal end of the flexible tube, and a fluid channel formed in the flexible tube to supply the liquid to the brush member.Type: ApplicationFiled: December 13, 2006Publication date: June 14, 2007Applicant: PENTAX CORPORATIONInventors: Akira YAMAMOTO, Tetsuya NAKAMURA, Yae KUROSAWA, Yusuke IIMORI, Pilryon LEE