Patents by Inventor Mineo Watanabe
Mineo Watanabe 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: 11508432Abstract: According to one or more embodiments, a semiconductor storage device includes a first chip and a second chip. The first chip includes a semiconductor substrate and a plurality of transistors on the semiconductor substrate. The second chip includes a memory cell array and a plurality of first patterns. The memory cell array is connected to the plurality of transistors of the first chip and includes a plurality of memory blocks arranged in a first direction. The plurality of first patterns are spaced from each other in the first direction. Each first pattern represents a different number and is at a position corresponding to one or more of the memory blocks.Type: GrantFiled: August 28, 2020Date of Patent: November 22, 2022Assignee: KIOXIA CORPORATIONInventor: Mineo Watanabe
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Publication number: 20210295899Abstract: According to one or more embodiments, a semiconductor storage device includes a first chip and a second chip. The first chip includes a semiconductor substrate and a plurality of transistors on the semiconductor substrate. The second chip includes a memory cell array and a plurality of first patterns. The memory cell array is connected to the plurality of transistors of the first chip and includes a plurality of memory blocks arranged in a first direction. The plurality of first patterns are spaced from each other in the first direction. Each first pattern represents a different number and is at a position corresponding to one or more of the memory blocks.Type: ApplicationFiled: August 28, 2020Publication date: September 23, 2021Inventor: Mineo WATANABE
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Patent number: 10683252Abstract: Fluoral is obtained by gas-phase fluorination of chloral in the presence of a catalyst and then reacted with trimethyl orthoformate, thereby readily forming 1,2,2,2-tetrafluoroethyl methyl ether as an intermediate for production of desflurane. 1,2,2,2-Tetrafluoroethyl difluoromethyl ether (desflurane) is produced with high yield from the thus-formed 1,2,2,2-tetrafluoroethyl methyl ether by chlorination and fluorination. This method enables efficient industrial-scale production of desflurane useful as an inhalation anesthetic.Type: GrantFiled: December 15, 2017Date of Patent: June 16, 2020Assignee: Central Glass Company, LimitedInventors: Kenji Hosoi, Mineo Watanabe, Hideaki Imura, Kensuke Hirotaki, Naoya Ueshima
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Publication number: 20190345086Abstract: Fluoral is obtained by gas-phase fluorination of chloral in the presence of a catalyst and then reacted with trimethyl orthoformate, thereby readily forming 1,2,2,2-tetrafluoroethyl methyl ether as an intermediate for production of desflurane. 1,2,2,2-Tetrafluoroethyl difluoromethyl ether (desflurane) is produced with high yield from the thus-formed 1,2,2,2-tetrafluoroethyl methyl ether by chlorination and fluorination.Type: ApplicationFiled: December 12, 2017Publication date: November 14, 2019Inventors: Kenji HOSOI, Mineo WATANABE, Hideaki IMURA, Kensuke HIROTAKI, Naoya UESHIMA
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Patent number: 8465754Abstract: An objective of the present invention is to provide a whole-cell bacterial vaccine composition for preventing whooping cough caused by Bordetella parapertussis, comprising whole cells, whole-cell homogenate, or cell lysate of B. parapertussis as an immunogen, and methods for producing them.Type: GrantFiled: May 28, 2008Date of Patent: June 18, 2013Assignee: Kitasato Daiichi Sankyo Vaccine Co., Ltd.Inventors: Mineo Watanabe, Eiji Komatsu
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Publication number: 20120136177Abstract: Disclosed is a method for producing hexafluoroacetone monohydrate by (1) allowing, in an organic solvent, hexafluoroacetone to be absorbed into water or a hexafluoroacetone hydrate (water addition method) or by (2) an easy method in which a hexafluoroacetone hydrate is mixed with an organic solvent and then distillation is conducted, thereby removing a mixture of water and the organic solvent as a low-boiling-point composition and obtaining a mixture of hexafluoroacetone monohydrate and the organic solvent as a high-boiling-point composition (dehydration method).Type: ApplicationFiled: July 30, 2010Publication date: May 31, 2012Applicant: Central Glass Company, LimitedInventors: Yutaka Katsuhara, Tatsuya Hayasaka, Mineo Watanabe, Takashi Kume
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Publication number: 20100260803Abstract: An objective of the present invention is to provide a whole-cell bacterial vaccine composition for preventing whooping cough caused by Bordetella parapertussis, comprising whole cells, whole-cell homogenate, or cell lysate of B. parapertussis as an immunogen, and methods for producing them.Type: ApplicationFiled: May 28, 2008Publication date: October 14, 2010Applicant: The Kitasato InstituteInventors: Mineo Watanabe, Eiji Komatsu
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Publication number: 20090159229Abstract: [Problems] To provide a functional composition enable a stale paper production by being applied onto a press roll, and a method for improvement of detachability using the same. [Solutions] The present invention relates to a functional composition used by being applied onto a press roll for dehydration of a wet paper, comprising a compound expressed by the following general formula (1): STR wherein R represents an organic group which may have a substituent or a hydrogen atom, p and r each independently represent an integer of 0 to 228, and q represents an integer of 0 to 69, provided that p, q and r do not represent 0 simultaneously.Type: ApplicationFiled: December 19, 2006Publication date: June 25, 2009Inventors: Hiroshi Sekiya, Hiraku Sawada, Kanae Ichimura, Atsutoshi Kimura, Mineo Watanabe, Masato Takahashi, Masahiro Hamasaki, Seiichiro Usui
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Patent number: 6177595Abstract: A process of producing chlorofluoroacetones represented by a general formula where X represents independently chlorine atom or fluorine atom. The production process comprises fluorinating in a liquid phase pentachloroacetone by hydrogen fluoride in the presence of a catalyst comprising tin tetrahalide.Type: GrantFiled: September 10, 1999Date of Patent: January 23, 2001Assignee: Central Glass Company, LimitedInventors: Ryo Nadano, Takashi Sakaya, Mineo Watanabe, Yoshihiko Goto, Toshihiro Nakamichi, Shigeru Suenaga
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Patent number: 5905174Abstract: The invention relates to a method for producing 3,3-dichloro-1,1,1-trifluoroacetone. This method includes a step of fluorinating pentachloroacetone by hydrogen fluoride in the presence of a fluorination catalyst. This fluorination may be conducted in a liquid phase in the presence of an antimony compound as the fluorination catalyst. Alternatively, the fluorination may be conducted in a gas phase in the presence of a fluorination catalyst which may be a fluorinated alumina or at least one compound of at least one metal selected from Al, Cr, Mn, Ni, and Co. The method is suited to an industrial scale production of 3,3-dichloro-1,1,1-trifluoroacetone. The invention further relates to another method for producing 3,3-dichloro-1,1,1-trifluoroacetone.Type: GrantFiled: April 15, 1998Date of Patent: May 18, 1999Assignee: Central Glass Company, LimitedInventors: Masatomi Kanai, Takashi Sakaya, Mineo Watanabe, Yoshihiko Goto, Ryo Nadano
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Patent number: 5811596Abstract: The present invention provides a novel method of producing fluoromethyl 1,1,1,3,3,3-hexafluoroisopropyl ether. It is a method of producing fluoromethyl 1,1,1,3,3,3-hexafluoroisopropyl ether by bringing a polyether represented by the following general formula (1) into contact with a medium comprising hydrogen fluoride and an accelerant,R.sup.1 O(CH.sub.2 O).sub.n R.sup.2 ( 1)where R.sup.1 and R.sup.2 are independently hydrogen, C.sub.1 -C.sup.10 alkyl or haloalkyl groups, where halogen is fluorine, chlorine or bromine, n is an integer of from 1 to 10, and both of R.sup.1 and R.sup.2 are not hydrogen at the same time.Type: GrantFiled: October 20, 1997Date of Patent: September 22, 1998Assignee: Central Glass Co., Ltd.Inventors: Toshikazu Kawai, Mineo Watanabe
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Patent number: 5763684Abstract: The present invention relates to a method of removing bisfluoromethyl ether contained in fluoromethyl-1,1,1,3,3,3-hexafluoroisopropyl ether in a simple, effective manner, and is characterized in that fluoromethyl-1,1,1,3,3,3-hexafluoroisopropyl ether containing bisfluoromethyl ether is brought into contact with zeolite.Type: GrantFiled: September 16, 1997Date of Patent: June 9, 1998Assignee: Central Glass Co., Ltd.Inventors: Toshikazu Kawai, Mineo Watanabe, Manami Kobayashi
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Patent number: 5684210Abstract: It is possible to obtain fluoromethyl-1,1,1,3,3,3-hexafluoroisopropyl ether which has a high purity and in which an impurity making the purification by distillation difficult has been removed, by contacting a crude fluoromethyl-1,1,1,3,3,3-hexafluoroisopropyl ether with a Bronsted acid(s), a Lewis acid(s) or an acid(s) fixed to a resin or the like.Type: GrantFiled: November 10, 1995Date of Patent: November 4, 1997Assignee: Central Glass Company, LimitedInventors: Toshikazu Kawai, Takaaki Yoshimura, Mineo Watanabe, Manami Kumakura
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Patent number: 5684211Abstract: The present invention provides a method of purifying fluoromethyl-1,1,1,3,3,3-hexafluoroisopropyl ether by adding a compound selected from hydroxides of, hydrogenphosphates of, phosphates of, hydrogencarbonates of, borates of or sulfites of alkali metals, or alkali metal salts of acetic acid or of phthalic acid, or boric acid to fluoromethyl-1,1,1,3,3,3-hexafluoroisopropyl ether, add then by distillation. It is possible to effectively suppress the decomposition, at the time of distillation, of fluoromethyl-1,1,1,3,3,3-hexafluoroisopropyl ether that is used as a pharmaceutical and particularly as an inhalation anesthetic and thus to obtain fluoromethyl-1,1,1,3,3,3-hexafluoroisopropyl ether of high purity.Type: GrantFiled: November 16, 1995Date of Patent: November 4, 1997Assignee: Central Glass Company, LimitedInventors: Toshikazu Kawai, Takaaki Yoshimura, Manami Kumakura, Mineo Watanabe
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Patent number: 5679576Abstract: The present invention provides a method in which organic matter in the product accompanied with a non-reacted hydrogen fluoride can be handled without damaging the apparatus, using a cross-linked cyanopropylmethylphenylsilicone capillary column with which impurities of very small amounts can be separated, and with which non-reacted raw materials and by-products, which have a wide range of boiling points can be quantitated.Type: GrantFiled: December 5, 1995Date of Patent: October 21, 1997Assignee: Central Glass Co., Ltd.Inventors: Toshikazu Kawai, Takaaki Yoshimura, Mineo Watanabe, Manami Kamakura
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Patent number: 5429711Abstract: There is disclosed a wafer-manufacturing method in which a single crystal ingot is first sliced into a plurality of wafers, and both surfaces of each wafer are subjected to grinding or lapping operation. Then, the front and back surfaces of the wafer are subjected to etching. Thereafter, the back surface of the wafer is subjected to chemical mechanical polishing to half-polish the same, following which the wafer is placed on a polishing machine, with the half-polished back surface of the wafer being adhered to a carrier plate; and the front surface of the wafer is mirror-polished. In the foregoing, a polysilicon film for extrinsic gettering may be formed on the back surface of the etched wafer prior to the half-polishing.Type: GrantFiled: August 9, 1993Date of Patent: July 4, 1995Assignees: Mitsubishi Materials Corporation, Mitsubishi Materials Silicon CorporationInventors: Mineo Watanabe, Hitoshi Harada, Masanori Takemura
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Patent number: 4987259Abstract: 2,2-Bis(4-aminophenyl)hexafluoropropane is prepared by the steps of (a) reacting 2,2-bis(4-carboxyphenyl)hexafluoropropane with thionyl chloride at 80.degree.-150.degree. C. in a water insoluble organic liquid in the presence of a catalyst such as dimethylformamide to obtain a solution of 2,2-bis(4-chloroformylphenyl)hexafluoropropane, (b) mixing the obtained solution with an aqueous solution of sodium azide to obtain an acid azide solution, (c) heating the organic phase of the acid azide solution to 80.degree. C. or above to cause rearrangement of the acid azide into an isocyanate, (d) hydrolyzing the isocyanate by mixing the isocyanate solution with an acid such as 40-80% sulfuric acid to form a salt of the aimed diamine as an aqueous solution mixed with an organic phase, and (e) neutralyzing the aqueous solution separated from the liquid mixture obtained at step (d) to precipitate the aimed diamine.Type: GrantFiled: June 2, 1989Date of Patent: January 22, 1991Assignee: Central Glass Company, LimitedInventors: Masamichi Maruta, Showzou Kaneda, Mineo Watanabe, Etsuko Katoh
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Patent number: 4256559Abstract: An apparatus for regenerating a spent photograhic bleach-fixer solution, comprising (a) an electrodialysis cell including a cathode, an anode and alternating anion exchange membranes and cation exchange membranes arranged therebetween to define a cathode compartment, a plurality of alternating intermediate enionation and deionation compartments and an anode compartment, (b) an electrolysis cell connected to the enionation compartments of the electrodialysis cell so that an aqueous solution capable of dissolving silver salts can be circulated between the electrolysis cell and the enionation compartments, (c) a circulating tank for the spent bleach-fixer solution connected to the deionation compartments and the anode compartment of the electrodialysis cell for circulating the spent bleach-fixer solution between the circulating tank and both the deionation compartments and the anode compartment, and (d) a circulating tank for an electrolyte solution connected to the cathode compartment of the electrodialysis celType: GrantFiled: May 30, 1979Date of Patent: March 17, 1981Assignee: Teijin Engineering Ltd.Inventors: Takezo Ono, Mineo Watanabe, Seiki Iribe
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Patent number: 4204930Abstract: A method for regenerating a spent bleach-fixer solution by electrodialysis using an electrodialysis cell comprising a cathode, an anode and alternating anion exchange membranes and cation exchange membranes arranged therebetween to define a cathode compartment, a plurality of intermediate enionation and deionation compartments with a set of the deionation compartments alternately disposed between a set of the enionation compartments, and an anode compartment; said method comprising filling an electrolyte solution in the cathode compartment, the enionation compartments and anode compartment, and the spent bleach-fixer solution in the deionation compartments, and passing a direct electric current across the cathode and the anode; and an apparatus for use in the aforesaid method.Type: GrantFiled: April 13, 1979Date of Patent: May 27, 1980Assignee: Teijin LimitedInventors: Takezo Ono, Seiki Iribe, Mineo Watanabe
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Patent number: 4145271Abstract: A method for regenerating an oxidized photographic developer, which comprises bringing the oxidized photographic developer into contact with an adsorbent material which has affinity for the oxidation product of the developing agent or its derivatives and is substantially insoluble in the developer, and a method for regenerating an oxidized photographic developer, which comprises subjecting the oxidized developer to a contacting treatment with an adsorbent material which has affinity for the oxidation product of the developing agent or it derivatives and is substantially insoluble in the developer, and to an electrodialysis treatment using ion exchange membranes.Type: GrantFiled: October 3, 1977Date of Patent: March 20, 1979Assignee: Teijin LimitedInventors: Yoshinori Nosse, Tomoyoshi Ono, Hideaki Suzuki, Takezo Ono, Seiki Iribe, Mineo Watanabe