Patents by Inventor Tomio Takahashi
Tomio Takahashi 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: 20110243817Abstract: Provided is a zirconium crucible for analytical use, wherein the purity excluding gas components is 3N or higher and the content of oxygen as a gas component is 500 mass ppm or less. In light of the recent analytical technology for which a fast and accurate measurement of high-purity materials is required; an object of the present invention is to inhibit the incorporation of impurities from a crucible by using a high-purity crucible, and provide a zirconium crucible for analytical use, wherein a two-stage separation/decomposition process is not required in the analysis of samples in which various types of oxides and metals such as sludge, bottom sediment samples and soil coexist, and the number of times that the crucible can be used is increased by improving the durability of high-purity zirconium metal.Type: ApplicationFiled: March 10, 2010Publication date: October 6, 2011Applicant: JX NIPPON MINING & METALS CORPORATIONInventors: Masahiro Sakaguchi, Ryosai Endo, Tomio Takahashi, Yuichiro Shindo
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Patent number: 7927879Abstract: Proposed is a zirconium crucible used for melting an analytical sample in the pretreatment of the analytical sample, wherein the purity of the zirconium crucible is 99.99 wt % or higher. In light of the recent analytical technology demanded of fast and accurate measurement of high purity materials, the present invention provides a zirconium crucible for melting an analytical sample, a method of preparing such analytical sample, and a method of analysis that enables the analysis of high purity materials by inhibiting the inclusion of impurities from the crucible regardless of difference in the analysts and their skill.Type: GrantFiled: February 20, 2007Date of Patent: April 19, 2011Assignee: JX Nippon Mining & Metals CorporationInventors: Masahiro Sakaguchi, Mitsuru Yamaguchi, Tomio Takahashi, Kouichi Takemoto
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Patent number: 7892843Abstract: A nickel crucible used for melting an analytical sample in the pretreatment of the analytical sample, characterized in that the purity of the nickel crucible is 99.9999 wt % or higher. Also provided is a method of analysis, comprising melting a sample by the use of the nickel crucible for melting having a purity of 99.9999 wt % or higher, and analyzing the melt to thereby obtain an analytical result in which the respective lower limits of determination of Mn, Al, Si, Mg, Pb, Fe, Co, Ti, Cu, Cr, Zr, Mo, and W are Mn: 5 wtppm, Al: 10 wtppm, Si: 10 wtppm, Mg: 5 wtppm, Pb: 5 wtppm, Fe: 5 wtppm, Co: 5 wtppm, Ti: 20 wtppm, Cu: 20 wtppm, Cr: 10 wtppm, Zr: 5 wtppm, Mo: 2 wtppm, and W: 10 wtppm. In light of the recent analytical technology demanded of fast and accurate measurement of high purity materials, high purity analysis is attained through inhibition of mixing of impurities from the crucible.Type: GrantFiled: February 15, 2007Date of Patent: February 22, 2011Assignee: JX Nippon Mining & Metals CorporationInventors: Masahiro Sakaguchi, Mitsuru Yamaguchi, Tomio Takahashi, Kouichi Takemoto
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Patent number: 7767148Abstract: The present invention provides a staining/covering system comprising a staining apparatus and a covering apparatus arranged in close proximity to each other, in which slide glass attached with a specimen sample stained in the staining apparatus can be transferred to the covering apparatus without using an apparatus for conveying the slide glass in the staining apparatus. The staining/covering system comprises the staining apparatus (10) for staining the specimen sample sliced and pasted to the slide glass, and the covering apparatus (12) being arranged in close proximity to the staining apparatus and covering a cover film or a cover glass onto the specimen sample of the slide glass subjected to desired staining in the staining apparatus (10), and the system is characterized in that means for transferring the slide glass having a specimen sample stained in the staining apparatus (10) from the inside of the staining apparatus to the inside of the covering apparatus is provided in the covering apparatus (12).Type: GrantFiled: March 7, 2006Date of Patent: August 3, 2010Assignees: Sakura Seiki Co., Ltd., Sakura Finetek Japan Co., Ltd.Inventors: Tomio Takahashi, Hiroyuki Minemura
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Patent number: 7748423Abstract: The cover film sticking device is capable of securely sticking cover film pieces on specimen samples on all slide glasses stored in a basket, which starts to stick the cover film pieces formed, by cutting off long cover film unwound from a film roll to a specified length on the specimen samples on the plurality of slide glasses stored in the basket 26 taken out from a load tank 12 filled with a volatile protective solution. The sticking device is characterized by cover film length securing means for unwinding the long cover film from the film roll and extending the same until reaching cutting means so as to secure the cover film of such a length that can form the cover film pieces to be stuck onto the specimen samples on the maximum number of the slide glasses storable in the basket 26 taken out from the load tank 12.Type: GrantFiled: April 5, 2005Date of Patent: July 6, 2010Assignees: Sakura Seiki Co., Ltd., Sakura Finetek Japan Co., LtdInventors: Tomio Takahashi, Masanori Yamabe
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Publication number: 20100167407Abstract: A nickel crucible used for melting an analytical sample in the pretreatment of the analytical sample, characterized in that the purity of the nickel crucible is 99.9999 wt % or higher. Also provided is a method of analysis, comprising melting a sample by the use of the nickel crucible for melting having a purity of 99.9999 wt % or higher, and analyzing the melt to thereby obtain an analytical result in which the respective lower limits of determination of Mn, Al, Si, Mg, Pb, Fe, Co, Ti, Cu, Cr, Zr, Mo, and W are Mn: 5 wtppm, Al: 10 wtppm, Si: 10 wtppm, Mg: 5 wtppm, Pb: 5 wtppm, Fe: 5 wtppm, Co: 5 wtppm, Ti: 20 wtppm, Cu: 20 wtppm, Cr: 10 wtppm, Zr: 5 wtppm, Mo: 2 wtppm, and W:10 wtppm. In light of the recent analytical technology demanded of fast and accurate measurement of high purity materials, high purity analysis is attained through inhibition of mixing of impurities from the crucible.Type: ApplicationFiled: February 15, 2007Publication date: July 1, 2010Applicant: NIPPON MINING & METALS CO., LTD.Inventors: Masahiro Sakaguchi, Mitsuru Yamaguchi, Tomio Takahashi, Kouichi Takemoto
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Publication number: 20090104082Abstract: Proposed is a zirconium crucible used for melting an analytical sample in the pretreatment of the analytical sample, wherein the purity of the zirconium crucible is 99.99 wt % or higher. in light of the recent analytical technology demanded of fast and accurate measurement of high purity materials, the present invention provides a zirconium crucible for melting an analytical sample, a method of preparing such analytical sample, and a method of analysis that enables the analysis of high purity materials by inhibiting the inclusion of impurities from the crucible regardless of difference in the analysts and their skill.Type: ApplicationFiled: February 20, 2007Publication date: April 23, 2009Applicant: NIPPON MINING & METALS CO., LTD.Inventors: Masahiro Sakaguchi, Mitsuru Yamaguchi, Tomio Takahashi, Kouichi Takemoto
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Publication number: 20080193333Abstract: The present invention provides a staining/covering system comprising a staining apparatus and a covering apparatus arranged in close proximity to each other, in which slide glass attached with a specimen sample stained in the staining apparatus can be transferred to the covering apparatus without using an apparatus for conveying the slide glass in the staining apparatus. The staining/covering system comprises the staining apparatus (10) for staining the specimen sample sliced and pasted to the slide glass, and the covering apparatus (12) being arranged in close proximity to the staining apparatus and covering a cover film or a cover glass onto the specimen sample of the slide glass subjected to desired staining in the staining apparatus (10), and the system is characterized in that means for transferring the slide glass having a specimen sample stained in the staining apparatus (10) from the inside of the staining apparatus to the inside of the covering apparatus is provided in the covering apparatus (12).Type: ApplicationFiled: March 7, 2006Publication date: August 14, 2008Inventors: Tomio Takahashi, Hiroyuki Minemura
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Publication number: 20070151672Abstract: The cover film sticking device is capable of securely sticking cover film pieces on specimen samples on all slide glasses stored in a basket, which starts to stick the cover film pieces formed, by cutting off long cover film unwound from a film roll to a specified length on the specimen samples on the plurality of slide glasses stored in the basket 26 taken out from a load tank 12 filled with a volatile protective solution. The sticking device is characterized by cover film length securing means for unwinding the long cover film from the film roll and extending the same until reaching cutting means so as to secure the cover film of such a length that can form the cover film pieces to be stuck onto the specimen samples on the maximum number of the slide glasses storable in the basket 26 taken out from the load tank 12.Type: ApplicationFiled: April 5, 2005Publication date: July 5, 2007Inventors: Tomio Takahashi, Masanori Yamabe
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Publication number: 20060191970Abstract: In separation of sheet glass by making use of thermal strain, separated surfaces can be obtained to avoid the occurrence of glass chips and to have excellent linearity even in relatively thick sheet glass. After a score, which serves as a crack initiation point is engraved at a separation initiation point in sheet glass, the sheet glass is heated along an imaginary line of by a heating burner; the heated portion of the sheet glass with the imaginary line of separation set therein is locally cooled by a mist, which is produced by a cooling nozzle comprising a liquid-ejecting port disposed at a central portion thereof and a gas-ejecting port disposed around an outer periphery of the liquid-ejecting port, the liquid-ejecting port projecting farther than the gas-ejecting port; and a minute crack of the score is caused to propagate along the imaginary line of separation to form a crack required for separation of the sheet glass.Type: ApplicationFiled: April 26, 2006Publication date: August 31, 2006Applicant: ASAHI GLASS COMPANY LIMITEDInventors: Yasuyoshi Kataoka, Tomio Takahashi
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Patent number: 6396018Abstract: There are provided an operating mechanism that drives the opening/closing of contacts, and a sliding conduction part that forms electrical connection of these contacts and the main circuit on receipt of a connection voltage; grease is applied to the mechanical sliding part of the operating mechanism and to the sliding conduction part. The grease has as base oil at least one synthetic oil and is selected from the group consisting of poly &agr;-olefins and dialkyl diphenyl ethers, and contains as thickener 5-30 mass % of a urea compound. The dynamic viscosity of the base oil is 30-500 mm2/s at 40° C.Type: GrantFiled: September 26, 2000Date of Patent: May 28, 2002Assignee: Kabushiki Kaisha ToshibaInventors: Hirotsugu Kinoshita, Kiyomi Sakamoto, Kimiya Sato, Makoto Kataoka, Atsushi Ohashi, Tomio Takahashi
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Patent number: 6080363Abstract: A liquid-processing apparatus for processing vital specimens, such as an automatic staining apparatus for staining specimens of vital tissues or the like for microscopic examination, has a cabinet (7) internally provided with a lower plate (8) and an upper plate (9). Rinsing vessels (10) and chemical solution vessels (11) are placed on the lower panel (8), and chemical solution vessels (11) are placed on the upper plate (9). A hanger arm (24) supporting a staining basket (13) containing glass slides carrying specimens affixed thereto moves longitudinally in a lower space (26) extending over the lower plate (8) or an upper space (28) extending over the upper plate (9). The staining basket (13) can be moved between the spaces (26, 28) through a passage (29) formed in the upper plate (9). The liquid-processing apparatus requires a small floor space for installation and can be installed in a small place.Type: GrantFiled: October 14, 1998Date of Patent: June 27, 2000Assignees: Kabushiki Kaisha Tiyoda Seisadusho, Sakura Finetechnical Co. Ltd.Inventors: Tomio Takahashi, Mamoru Wakabayashi, Hiroe Tateya, Norihisa Ishizaka
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Patent number: 4061262Abstract: A one-side welding facility having means pushing up backing metals against the butting part of the welding edges is mounted on guiding rails which are attached by means of magnets to materials to be welded and suspended therefrom, the facility being self-running thereon by an electric motor included therein. A pair of front and rear links having a spring therebetween are provided on the facility to push up the backing metal against the butting part. Thus, well conditioned one-side welding is stably provided with ease.Type: GrantFiled: April 19, 1976Date of Patent: December 6, 1977Assignee: Nippon Kokan Kabushiki KaishaInventors: Hirokazu Nomura, Katsumi Tohno, Tomio Takahashi