Patents by Inventor Tsuyoshi Kakimoto
Tsuyoshi Kakimoto 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: 20240132566Abstract: Disclosed is a method for producing a fusion protein of human serum albumin and human growth hormone. The method comprises (a) a step of culturing a mammalian cell capable of producing the protein in a serum-free medium and causing the protein to be secreted into the culture fluid, (b) a step of collecting a culture supernatant by removing the mammalian cell from the culture fluid, and (c) a step of purifying the protein from the culture supernatant by using column chromatography using a material to which an antibody having an affinity for the protein is bound as a stationary phase, column chromatography using a material having an affinity for phosphate group as a stationary phase, cation exchange column chromatography, and size exclusion column chromatography.Type: ApplicationFiled: October 15, 2020Publication date: April 25, 2024Applicant: JCR PHARMACEUTICALS CO., LTD.Inventors: Shinji KAKIMOTO, Tsuyoshi FUKUI, Yukichi HATANO, Ayaka KOTANI, Ryota KATSUNO, Yuko OKADA
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Patent number: 10838174Abstract: The present disclosure provides a miniature imaging lens including, along an optical axis in order from an object side to an image side, a first lens having a positive refractive power; a second lens having a negative refractive power; a third lens having a positive refractive power; a fourth lens having a negative refractive power; a fifth lens having a positive refractive power; a sixth lens having a negative refractive power; and a filter. The miniature imaging lens satisfies a conditional expression 2<f1/R1<3, where f1 denotes a focal length of the first lens, and R1 denotes a radius of curvature of the object-side surface of the first lens.Type: GrantFiled: October 1, 2018Date of Patent: November 17, 2020Assignee: JIANGXI LIANYI OPTICS CO., LTD.Inventors: Jiyong Zeng, Tsuyoshi Kakimoto, Haojie Zeng, Xuming Liu
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Publication number: 20190302425Abstract: The present disclosure provides a miniature imaging lens including, along an optical axis in order from an object side to an image side, a first lens having a positive refractive power; a second lens having a negative refractive power; a third lens having a positive refractive power; a fourth lens having a negative refractive power; a fifth lens having a positive refractive power; a sixth lens having a negative refractive power; and a filter. The miniature imaging lens satisfies a conditional expression 2<f1/R1<3, where f1 denotes a focal length of the first lens, and R1 denotes a radius of curvature of the object-side surface of the first lens.Type: ApplicationFiled: October 1, 2018Publication date: October 3, 2019Inventors: Jiyong ZENG, Tsuyoshi KAKIMOTO, Haojie ZENG, Xuming LIU
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Patent number: 8358471Abstract: A zoom lens and an image pickup device. The zoom lens includes sequentially from an object side a first lens group having a positive refractive power, a second lens group having a negative refractive power, a third lens group having a positive refractive power, and a fourth lens group having a positive refractive power, which are arranged in order from an object side to an image side, wherein, when the zoom lens is zoomed from a wide angle position to a telephoto position, all of the first lens group, the second lens group, the third lens group, and the fourth lens group move relative to one another so that a distance between the first lens group and the second lens group increases, a distance between the second lens group and the third lens group reduces, and a distance between the third lens group and the fourth lens group increases.Type: GrantFiled: October 15, 2010Date of Patent: January 22, 2013Assignee: Samsung Electronics Co., Ltd.Inventor: Tsuyoshi Kakimoto
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Publication number: 20120307376Abstract: A zoom lens and a photographing apparatus having the same. The zoom lens includes a first lens group having a positive refractive power, a second lens group having a negative refractive power, a third lens group having a positive refractive power, and a fourth lens group having a positive refractive power that are sequentially arranged from an object side to an image plane side. An interval between the lens groups adjacent to each other varies when the zoom lens zooms from a wide angle position to a telephoto position. The zoom lens satisfies the following inequality: 1.8<|?3T/?3W|<2.2??<Formula> where ?3T denotes the magnification of the third lens group at the telephoto position, and ?3W denotes the magnification of the third lens group at the wide angle position.Type: ApplicationFiled: May 31, 2012Publication date: December 6, 2012Applicant: Samsung Electronics Co., Ltd.Inventor: Tsuyoshi Kakimoto
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Patent number: 8169712Abstract: A zoom lens system and an image capturing apparatus having the same. The zoom lens includes a first lens group having a positive refractive power; a second lens group having a negative refractive power; a third lens group having a positive refractive power; and a fourth lens group having a positive refractive power, wherein the first through fourth lens groups are sequentially arranged from an object side to an image side, and the third lens group includes a first positive lens, a doublet lens including a second positive lens and a third negative lens, and a fourth positive lens sequentially arranged from the object side.Type: GrantFiled: September 9, 2010Date of Patent: May 1, 2012Assignee: Samsung Electronics Co., Ltd.Inventor: Tsuyoshi Kakimoto
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Patent number: 8085480Abstract: A zoom lens including a first lens group having a negative refractive power, including a negative lens and a positive lens and having at least one aspherical surface, a second lens group having a positive refractive power, a third lens group having a positive refractive power, and a fourth lens group having a positive refractive power. During, zooming from a wide angle position to a telephoto position, the first lens group is moved so that the first lens group at the telephoto position is closer to the object side than the first lens group at the wide angle position, the second lens group is moved, the third lens group is moved toward the object side from the image side, and the fourth lens group is moved so that the distance between the third lens group and the fourth lens group at the telephoto position is larger than the distance therebetween at the wide angle position, and the zoom lens satisfies the following Equations: vdG1?p>56.0 2.1<|?3T/?3W|<5.Type: GrantFiled: October 13, 2010Date of Patent: December 27, 2011Assignee: Samsung Electronics Co., Ltd.Inventors: Yoshito Iwasawa, Tsuyoshi Kakimoto
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Publication number: 20110134539Abstract: A zoom lens including a first lens group having a negative refractive power, including a negative lens and a positive lens and having at least one aspherical surface, a second lens group having a positive refractive power, a third lens group having a positive refractive power, and a fourth lens group having a positive refractive power. During, zooming from a wide angle position to a telephoto position, the first lens group is moved so that the first lens group at the telephoto position is closer to the object side than the first lens group at the wide angle position, the second lens group is moved, the third lens group is moved toward the object side from the image side, and the fourth lens group is moved so that the distance between the third lens group and the fourth lens group at the telephoto position is larger than the distance therebetween at the wide angle position, and the zoom lens satisfies the following Equations: vdG1-p>56.0 2.1<|?3T/?3W|<5.Type: ApplicationFiled: October 13, 2010Publication date: June 9, 2011Applicant: Samsung Electronics Co., Ltd.Inventors: Yoshito Iwasawa, Tsuyoshi Kakimoto
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Patent number: 7940474Abstract: A three-lens group zoom lens in an N-P-P configuration; the first, second, and third lens groups are arranged sequentially from an object side to an image side; during zooming from a wide-angle to a telephoto position the distance between the first lens group and the second lens group is reduced and the distance between the second lens group and the third lens group is changed, and the zoom lens satisfies the following inequalities ?1.3<f1/f2<?1.0 1.6<f2/fw<2.3 4.5<f3/fw<5.2, where, f1, f2, and f3, respectively, denote the focal lengths of the first, second and third lens groups, and fw denotes the focal length of the overall zoom lens at the wide-angle position.Type: GrantFiled: August 5, 2009Date of Patent: May 10, 2011Assignee: Samsung Electronics Co., Ltd.Inventor: Tsuyoshi Kakimoto
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Publication number: 20110096408Abstract: A zoom lens and an image pickup device. The zoom lens includes sequentially from an object side a first lens group having a positive refractive power, a second lens group having a negative refractive power, a third lens group having a positive refractive power, and a fourth lens group having a positive refractive power, which are arranged in order from an object side to an image side, wherein, when the zoom lens is zoomed from a wide angle position to a telephoto position, all of the first lens group, the second lens group, the third lens group, and the fourth lens group move relative to one another so that a distance between the first lens group and the second lens group increases, a distance between the second lens group and the third lens group reduces, and a distance between the third lens group and the fourth lens group increases.Type: ApplicationFiled: October 15, 2010Publication date: April 28, 2011Applicant: Samsung Electronics Co., Ltd.Inventor: Tsuyoshi Kakimoto
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Publication number: 20110058261Abstract: A zoom lens system and an image capturing apparatus having the same. The zoom lens includes a first lens group having a positive refractive power; a second lens group having a negative refractive power; a third lens group having a positive refractive power; and a fourth lens group having a positive refractive power, wherein the first through fourth lens groups are sequentially arranged from an object side to an image side, and the third lens group includes a first positive lens, a doublet lens including a second positive lens and a third negative lens, and a fourth positive lens sequentially arranged from the object side.Type: ApplicationFiled: September 9, 2010Publication date: March 10, 2011Applicant: Samsung Electronics Co., Ltd.Inventor: Tsuyoshi Kakimoto
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Publication number: 20100033842Abstract: A three-lens group zoom lens in an N-P-P configuration; the first, second, and third lens groups are arranged sequentially from an object side to an image side; during zooming from a wide-angle to a telephoto position the distance between the first lens group and the second lens group is reduced and the distance between the second lens group and the third lens group is changed, and the zoom lens satisfies the following inequalities ?1.3<f1/f2<?1.0 1.6<f2/fw<2.3 4.5<f3/fw<5.2, where, f1, f2, and f3, respectively, denote the focal lengths of the first, second and third lens groups, and fw denotes the focal length of the overall zoom lens at the wide-angle position.Type: ApplicationFiled: August 5, 2009Publication date: February 11, 2010Applicant: Samsung Digital Imaging Co., Ltd.Inventor: Tsuyoshi Kakimoto
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Patent number: 6999241Abstract: A zoom lens, having a camera shake correction function, that is capable of preventing degradation of chromatic aberration while correcting camera shake, and can be small, light-weight and power-saving, is provided. The zoom lens is composed of four groups of lenses having positive, negative, positive and positive refractive powers, arranged in that order from an object side to an image plane side, where a second lens group conducts zooming and a fourth lens group conducts focus adjustment. The second lens group is made of a concave meniscus lens, a concave lens, a double convex lens, and a concave lens, arranged in that order from the object side to the image plane side, and it includes also at least one aspheric surface. A third lens group includes a cemented lens having a cemented surface whose convex surface faces the object side, and can be shifted in a perpendicular direction with respect to an optical axis in order to correct image fluctuations during a camera shake.Type: GrantFiled: February 24, 2003Date of Patent: February 14, 2006Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Katsu Yamada, Keizo Ishiguro, Tsuyoshi Kakimoto
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Publication number: 20050254137Abstract: A zoom lens, having a camera shake correction function, that is capable of preventing degradation of chromatic aberration while correcting camera shake, and can be small, light-weight and power-saving, is provided. The zoom lens is composed of four groups of lenses having positive, negative, positive and positive refractive powers, arranged in that order from an object side to an image plane side, where a second lens group conducts zooming and a fourth lens group conducts focus adjustment. The second lens group is made of a concave meniscus lens, a concave lens, a double convex lens, and a concave lens, arranged in that order from the object side to the image plane side, and it includes also at least one aspheric surface. A third lens group includes a cemented lens having a cemented surface whose convex surface faces the object side, and can be shifted in a perpendicular direction with respect to an optical axis in order to correct image fluctuations during a camera shake.Type: ApplicationFiled: February 24, 2003Publication date: November 17, 2005Applicant: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.Inventors: Katsu Yamada, Keizo Ishiguro, Tsuyoshi Kakimoto
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Patent number: 5978152Abstract: A very compact zoom lens system is provided which has a zoom ratio of 10.times., a bright f-number of 1.4 and a wide angle of view of 59 degree or greater although having a fewer number of lens. The zoom lens system comprises from the object side to the image side: a fixed first lens unit having a negative power lens, a positive power lens and a positive power meniscus lens; a second lens unit having an aspherical surface, having a negative power lens, a negative power biconcave lens and a positive power lens and performing zooming by moving; a fixed third lens unit having an aspherical surface and having a positive power lens, a positive power lens and a negative power lens; and a fourth lens unit having an aspherical surface, having positive power and moves according to zooming and a movement of an object point. The image side surface of the most image side lens of the third lens unit is a concave surface having strong power to the image side.Type: GrantFiled: February 12, 1998Date of Patent: November 2, 1999Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Hiroaki Okayama, Shusuke Ono, Hisayuki Ii, Tsuyoshi Kakimoto
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Patent number: 5583698Abstract: The aspherical zoom lens of the invention includes sequentially from an object side: a first lens group which has a positive refractive power and is fixed relative to an image plane; a second lens group which has a negative refractive power and is movable on an optical axis of the aspherical zoom lens so as to have a magnification changing function; a third lens group which has a positive refractive power and is fixed relative to the image plane so as to have a light converging function; and a fourth lens group which has a positive refractive power and is movable on the optical axis so that the image plane displaceable in response to travel of the second lens group and movement of the object is fixed at a position spaced by a predetermined distance from a reference face. An air space is provided between the third and the fourth lens groups.Type: GrantFiled: June 7, 1994Date of Patent: December 10, 1996Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Katsu Yamada, Shusuke Ono, Tsuyoshi Kakimoto