Patents by Inventor Tadashi Nagashima
Tadashi Nagashima 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: 20240121962Abstract: According to one embodiment, a semiconductor device includes a stacked film with first insulating films and electrode layers alternately stacked in a first direction. The device further includes a columnar portion extending in the first direction and provided in a first region of the stacked film. The columnar portion forms memory cells at its intersections with the electrode layers. The device further includes a support column portion provided in a second region and extending in the first direction. A conductive plug is provided on a first electrode layer among the electrode layers in the second region. A first side surface of the support column portion faces a second side surface of the plug and the second side surface is concave in a direction toward the first side surface.Type: ApplicationFiled: September 5, 2023Publication date: April 11, 2024Inventors: Satoshi NAGASHIMA, Shota KASHIYAMA, Tadashi IGUCHI, Takuya NISHIKAWA
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Patent number: 11932022Abstract: Convenience of an ink bottle and a bottle set is improved. An ink bottle includes: a container portion that contains ink; a guiding portion that is formed in one end portion of the container portion, and includes an outflow port from which the ink in the container portion flow out; and a cover that covers at least an end portion of the container portion on the opposite side of the guiding portion.Type: GrantFiled: February 2, 2023Date of Patent: March 19, 2024Assignee: SEIKO EPSON CORPORATIONInventors: Taku Ishizawa, Tadahiro Mizutani, Ryoichi Tanaka, Manabu Akahane, Koichi Toba, Takumi Nagashima, Yoshiaki Shimizu, Tadashi Watanabe, Noriyuki Fukasawa
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Publication number: 20210177868Abstract: According to the present invention, a transdermal absorbent for reducing a subcutaneous fat is provided, which comprises phytostenone. Accordingly, a method for further reducing a subcutaneous fat can be provided.Type: ApplicationFiled: August 29, 2019Publication date: June 17, 2021Inventors: Nao Inoue, Tadashi Nagashima
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Patent number: 8008040Abstract: An object of the present invention is to provide a process according to which 5-ene-3-one or 3,6-dione derivatives of sterols can be synthesized with a better yield, as well as a process for production of lipid metabolism improvers, foods, drinks, and animal feeds containing the 5-ene-3-one or 3,6-dione derivatives of sterols. The process for production of 5-ene-3-one or 3,6-dione derivatives of sterols of the present invention involves preparing a culturing solution containing an Arthrobacter bacterium, which is a microorganism exhibiting a cholesterol oxidase activity, and then, adding to the culturing solution an equivalent amount of hexane so as to prepare a bilayer solution consisting of an aqueous layer and a hydrocarbon-based solvent layer. Thereafter, sterol, or a derivative thereof, is made as a substrate contained therein, a reaction performed with cholesterol oxidase at 30° C. for 2 days, and, ethanol then added to separate a hydrocarbon-based solvent layer.Type: GrantFiled: July 12, 2005Date of Patent: August 30, 2011Assignee: Toyo Hakko Co., Ltd.Inventors: Kunio Suzuki, Tadashi Nagashima, Shinya Nagahashi
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Publication number: 20080248520Abstract: An object of the present invention is to provide a process according to which 5-ene-3-one or 3,6-dione derivatives of sterols can be synthesized with a better yield, as well as a process for production of lipid metabolism improvers, foods, drinks, and animal feeds containing the 5-ene-3-one or 3,6-dione derivatives of sterols. The process for production of 5-ene-3-one or 3,6-dione derivatives of sterols of the present invention involves preparing a culturing solution containing an Arthrobacter bacterium, which is a microorganism exhibiting a cholesterol oxidase activity, and then, adding to the culturing solution an equivalent amount of hexane so as to prepare a bilayer solution consisting of an aqueous layer and a hydrocarbon-based solvent layer. Thereafter, sterol, or a derivative thereof, is made as a substrate contained therein, a reaction performed with cholesterol oxidase at 30° C. for 2 days, and, ethanol then added to separate a hydrocarbon-based solvent layer.Type: ApplicationFiled: July 12, 2005Publication date: October 9, 2008Inventors: Kunio Suzuki, Tadashi Nagashima, Shinya Nagahashi
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Publication number: 20040072325Abstract: Provided are a novel DNA which encodes a selection marker appropriate for the transformation system of filamentous fungi of the genus Monascus and for expression of a recombinant DNA, and a novel DNA which functions as a promoter and a terminator. There is also provided a novel transformation system of filamentous fungi of the genus Monascus, in which filamentous fungi of the genus Monascus is transformed with a vector comprising the DNA encoding the above selection marker and the DNA encoding a desired protein in addition to promoter and terminator sequences to obtain a transformant; culturing the transformant; and isolating at high levels the expression product of the recombinant DNA.Type: ApplicationFiled: December 27, 2002Publication date: April 15, 2004Inventors: Hideharu Anazawa, Yoko Kato, Tadashi Nagashima, Kenzo Miyoshi, Takao Yamazumi
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Patent number: 6664507Abstract: Control is exercised such that an arc discharge from a GMA electrode is performed after or simultaneously with start of oscillation of laser light from a laser oscillator, and oscillation of the laser light from the laser oscillator is stopped after or simultaneously with termination of the arc discharge from the GMA electrode. A coaxial laser beam machining head is configured such that the GMA electrode is disposed in a space portion between a first divisional laser beam and a second divisional laser beam, which have been formed by division by first and second reflecting mirrors, coaxially with the laser beams. Alternatively, the coaxial laser beam machining head is configured such that the GMA electrode is disposed in a space portion, which has been formed in a body of laser light by withdrawing part of the laser light outwardly with the use of first and second reflecting mirrors, coaxially with the body of the laser light.Type: GrantFiled: November 30, 2001Date of Patent: December 16, 2003Assignee: Mitsubishi Heavy Industries, Ltd.Inventors: Takashi Akaba, Tadashi Nagashima, Takashi Ishide, Syuhou Tsubota
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Patent number: 6600133Abstract: In a welding system for performing butt welding which comprises butting the end surfaces of steel plates, materials to be welded, placed on the upper surface of a table of a welding stage and welding the end surfaces together, a welding head is a laser/arc combined welding head for simultaneously performing laser light irradiation and arc discharge of the materials 38 to be welded, thereby welding the materials to be welded, and the position of an arc electrode 40 in an up-and-down direction relative to the materials 38 to be welded, the position of the arc electrode in a direction perpendicular to the direction of the optical axis of laser light 32 applied to the materials 38 to be welded, and the inclination angle of the arc electrode relative to the optical axis of the laser light 32 can be adjusted.Type: GrantFiled: December 10, 2001Date of Patent: July 29, 2003Assignee: Mitsubishi Heavy Industries, Ltd.Inventors: Masao Watanabe, Hideshi Sakashita, Tadashi Nagashima, Takashi Ishide, Kenji Nishikawa
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Patent number: 6548282Abstract: This invention relates to an inexpensive phytase with a low Km value for phytic acid, DNA coding for the phytase, recombinant DNA having the DNA introduced thereinto, a transformant carrying the recombinant DNA, a process for preparing a phytase by use of the transformant, and an animal feed comprising the phytase.Type: GrantFiled: August 15, 2001Date of Patent: April 15, 2003Inventors: Hidemasa Kondo, Hideharu Anazawa, Syunichi Kaneko, Tadashi Nagashima, Tatsuya Tange
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Publication number: 20020177925Abstract: A system includes an operation input section which transmits operation request information of a service requested to a robot via the Internet, and a remote control section which receives the operation request information transmitted from the operation input section via the Internet, returns operation information for operating the robot to the user system via the Internet on the basis of the received operation request information, and remotely controls the robot on the basis of the operation information.Type: ApplicationFiled: May 21, 2002Publication date: November 28, 2002Inventors: Ken Onishi, Tadashi Nagashima, Kiichiro Otsubo, Hiroyoshi Kodama, Ryota Hiura, Takashi Kurioka, Junji Suzuki, Shinya Aso
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Publication number: 20020158055Abstract: In a welding system for performing butt welding which comprises butting the end surfaces of steel plates, materials to be welded, placed on the upper surface of a table of a welding stage and welding the end surfaces together,Type: ApplicationFiled: December 10, 2001Publication date: October 31, 2002Inventors: Masao Watanabe, Hideshi Sakashita, Tadashi Nagashima, Takashi Ishide, Kenji Nishikawa
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Publication number: 20020134768Abstract: Control is exercised such that an arc discharge from a GMA electrode is performed after or simultaneously with start of oscillation of laser light from a laser oscillator, and oscillation of the laser light from the laser oscillator is stopped after or simultaneously with termination of the arc discharge from the GMA electrode. A coaxial laser beam machining head is configured such that the GMA electrode is disposed in a space portion between a first divisional laser beam and a second divisional laser beam, which have been formed by division by first and second reflecting mirrors, coaxially with the laser beams. Alternatively, the coaxial laser beam machining head is configured such that the GMA electrode is disposed in a space portion, which has been formed in a body of laser light by withdrawing part of the laser light outwardly with the use of first and second reflecting mirrors, coaxially with the body of the laser light.Type: ApplicationFiled: November 30, 2001Publication date: September 26, 2002Inventors: Takashi Akaba, Tadashi Nagashima, Takashi Ishide, Syuhou Tsubota
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Publication number: 20020068350Abstract: This invention relates to an inexpensive phytase with a low Km value for phytic acid, DNA coding for the phytase, recombinant DNA having the DNA introduced thereinto, a transformant carrying the recombinant DNA, a process for preparing a phytase by use of the transformant, and an animal feed comprising the phytase.Type: ApplicationFiled: August 15, 2001Publication date: June 6, 2002Inventors: Hidemasa Kondo, Hideharu Anazawa, Syunichi Kaneko, Tadashi Nagashima, Tatsuya Tange
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Patent number: 6372247Abstract: Provided is an isolated phytase derived from a microorganism. The microorganism is preferably from the genus Monascus. The phytase has a Michaelis constant of 10 to 110 &mgr;M when phytic acid is used as a substrate. A process for producing the phytase is also provided as is an animal feed comprising the phytase. The phytase is preferably isolated from Monascus anka IFO 30873. The phytase has a Km of 107 &mgr;m when phytic acid is used as a substrate, the optimum pH is 2.5, the optimum temperature is 45° C., the molecular weight of the phytase is 140 kDa when measured by gel filtration, and the isolectric point is 5.2 using chromatofocusing.Type: GrantFiled: June 22, 2001Date of Patent: April 16, 2002Assignees: Kyowa Kakko Kogy Co., Ltd., Shin Nihon Chemical Co., Ltd.Inventors: Tadashi Nagashima, Satoshi Kuroyanagi, Tadanori Yamamura, Hideharu Anazawa, Yoko Kato, Seiji Sugimoto, Keiichi Yano
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Publication number: 20020037571Abstract: The present invention provides phytases having low Km values for phytic acid, a process for producing the phytases by using a microorganism having the ability to produce and accumulate the phytases and feed containing the phytases.Type: ApplicationFiled: June 22, 2001Publication date: March 28, 2002Inventors: Tadashi Nagashima, Satoshi Kuroyanagi, Tadanori Yamamura, Hideharu Anazawa, Yoko Kato, Seiji Sugimoto, Keiichi Yano
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Publication number: 20020017513Abstract: A laser beam machining head includes a dividing optical system for dividing laser light into two separate laser beams, and providing spacing therebetween; a condensing optical system for condensing the separate laser beams into condensed laser light, and projecting it onto a cutting site of an object to be cut; and an inner assist gas nozzle placed between the separate laser beams, a width of an opening of a tip portion of the inner assist gas nozzle being nearly equal to a cutting width. Or the tip opening of the inner assist gas nozzle is slender; or its tip side is inclined, and the angle of inclination is variable; or the relative positions of the inner assist gas nozzle and a workpiece, or the relative positions of the focal position of the condensing optical system and the workpiece are variable independently; or an outer assist gas nozzle surrounding the separate laser beams is provided.Type: ApplicationFiled: August 3, 2001Publication date: February 14, 2002Applicant: MITSUBISHI HEABY INDUSTRIES, LTD.Inventors: Yasumi Nagura, Michisuke Nayama, Takashi Ishide, Yoshio Hashimoto, Yukio Michishita, Koji Okimura, Tadashi Nagashima, Masao Watanabe, Takashi Akaba, Katsusuke Shimizu
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Patent number: 6337085Abstract: The phytase is preferably isolated from Monascus anka IFO 30873. The phytase has a Km of 20 &mgr;m when phytic acid is used as a substrate, the optimum pH is 6.0, the optimum temperature is 50° C., the molecular weight of the phytase is 120 kDa when measured by gel filtration, and the isolectric point is 4.8 using chromatofocusing.Type: GrantFiled: June 22, 2001Date of Patent: January 8, 2002Assignees: Kyowa Hakko Kogyo Co., Ltd., Shin Nihon Chemical Co., Ltd.Inventors: Tadashi Nagashima, Satoshi Kuroyanagi, Tadanori Yamamura, Hideharu Anazawa, Yoko Kato, Seiji Sugimoto, Keiichi Yano
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Patent number: 6309870Abstract: This invention relates to an inexpensive phytase with a low Km value for phytic acid, DNA coding for the phytase, recombinant DNA having the DNA introduced thereinto, a transformant carrying the recombinant DNA, a process for preparing a phytase by use of the transformant, and an animal feed comprising the phytase.Type: GrantFiled: April 5, 2000Date of Patent: October 30, 2001Assignees: Kyowa Nakko Kogyo Co., Ltd., Shin Nihon Chemical Co., Ltd.Inventors: Hidemasa Kondo, Hideharu Anazawa, Syunichi Kaneko, Tadashi Nagashima, Tatsuya Tange
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Patent number: 6294754Abstract: In a laser beam machine head, when a filler wire and an optical axis of a laser beam are arranged coaxially, a convex roof mirror and a concave roof mirror are combined to divide the laser beam into two separate laser beams to that no laser beam is projected onto a filler wire feed pipe. Furthermore, the filler wire is fed from outside the laser beams to a condensing position via a filler wire guide in the spacing between the separate laser beams, or an electrode supported by a water flow pipe or an electrode holding pipe is brought close to the condensing position.Type: GrantFiled: October 29, 1999Date of Patent: September 25, 2001Assignee: Mitsubishi Heavy Industries, Ltd.Inventors: Yasumi Nagura, Michisuke Nayama, Takashi Ishide, Yoshio Hashimoto, Yukio Michishita, Koji Okimura, Tadashi Nagashima, Masao Watanabe, Takashi Akaba, Katsusuke Shimizu
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Patent number: 6261592Abstract: Provided is an isolated phytase derived from a microorganism. The microorganism is preferably from the genus Monascus. The phytase has a Michaelis constant of 10 to 110 &mgr;M when phytic acid is used as a substrate. A process for producing the phytase also is provided, as is an animal feed comprising the phytase.Type: GrantFiled: March 18, 1999Date of Patent: July 17, 2001Assignees: Kyowa Hakko Kogyo Co., LTD, Shin Nihon Chemical Co., LTDInventors: Tadashi Nagashima, Satoshi Kuroyanagi, Tadanori Yamamura, Hideharu Anazawa, Yoko Kato, Seiji Sugimoto, Keiichi Yano