Patents by Inventor Kazuo Kubota
Kazuo Kubota 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: 20070102563Abstract: A magnetic tape is spaced from and by an air guide and simultaneously tilted down in a transverse direction thereof by the air guide and is subsequently wound on a reel hub of a tape reel installed in a cartridge shell housing with the downside edge thereof leaned on one of reel flanges of the tape reel which is on the same side as the downside edge of the magnetic reel so as to complete a magnetic tape cartridge. The air guide comprises an air blowing means device for blowing pressurized air against the magnetic tape in a specified pressure distribution pattern in which pressure is lower on the downside edge than on an opposite side edge in the transverse direction so as hereby to tilt down the magnetic tape in the transverse direction.Type: ApplicationFiled: November 9, 2006Publication date: May 10, 2007Applicant: FUJIFILM CORPORATIONInventors: Kazuo Kubota, Hiroshi Ozawa
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Patent number: 7144531Abstract: A method of and an apparatus for measuring and evaluating characteristics of material resin using an injection molding machine. Injections of resin are performed with different resin temperatures TCi and different injection velocities Vj to detect injection pressures Pr at set screw positions. Data of combinations (Pr, V, TC) of an N number of injection pressures, injection velocities and resin temperatures are obtained. An interdependency relation function PVT(t, v(x),x) expressing correlation among the injection pressure, the injection velocity and the resin temperature is obtained as PVT(t, v(x), x)=A(x)e??(x)Tv(x)?(x) according to a least square method using the obtained data, where ?(x) represents a degree of dependency on injection velocity influencing the injection pressure and “log A(x)??(x)T” represents a degree of dependency on resin temperature influencing the injection pressure.Type: GrantFiled: March 7, 2002Date of Patent: December 5, 2006Assignee: Fanuc LtdInventors: Masao Kamiguchi, Tatsuhiro Uchiyama, Kazuo Kubota
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Publication number: 20060137844Abstract: The powder composition for paper manufacturing of the invention contains a hydrophobic organic compound (A), an emulsifying and dispersing agent (B), and optionally water-soluble saccharides (C) added based on necessity and has an average particle diameter of 0.1 to 2,000 ?m.Type: ApplicationFiled: July 29, 2004Publication date: June 29, 2006Inventors: Yoshihito Hamada, Kazuo Kubota, Atsushi Hiraishi, Jun Kozuka, Takahiro Kawaguchi, Tsutomu Miyahara, Hiroshi Noro, Koichi Ohori, Haruyuki Sato
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Publication number: 20060106137Abstract: The invention provides an additive for internal addition, which improves the paper qualities of a pulp sheet, such as stiffness and bulk. The invention relates to a paper quality improver for internal addition, which comprises a polymeric emulsion containing a natural cationic polymer (A) or synthetic cationic polymer (A?) and polymer particles (B) containing vinyl monomer-derived structural units.Type: ApplicationFiled: August 27, 2003Publication date: May 18, 2006Applicant: Kao CorporationInventors: Kazuo Kubota, Zenbei Meiwa, Hiromichi Takahashi, Yoshihiro Hasebe
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Publication number: 20040077060Abstract: Treatment of a lactic acid ester derivative with an enzyme or the like, which has asymmetric ester-hydrolyzing ability, can specifically hydrolyze the ester moiety of an isomer existing as the pair to the racemic derivative. Use of the compound obtained by this hydrolysis makes it possible to produce an optically active propoxyaniline derivative by a shorter process than the conventional art.Type: ApplicationFiled: September 5, 2003Publication date: April 22, 2004Inventors: Kouji Sato, Tsutomu Yagi, Kazuo Kubota, Akihiro Imura
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Publication number: 20020153630Abstract: A method of and an apparatus for measuring and evaluating characteristics of material resin using an injection molding machine. Injections of resin are performed with different resin temperatures TCi and different injection velocities Vj to detect injection pressures Pr at set screw positions. Data of combinations (Pr, V, TC) of an N number of injection pressures, injection velocities and resin temperatures are obtained. An interdependency relation function Pvr(t, v(x),x) expressing correlation among the injection pressure, the injection velocity and the resin temperature is obtained as Pvr(t, v(x), x)=A(x)e−&agr;(x)Tv(x)&bgr;(x) according to a least square method using the obtained data, where &bgr;(x) represents a degree of dependency on injection velocity influencing the injection pressure and “log A(x)−&agr;(x)T” represents a degree of dependency on resin temperature influencing the injection pressure.Type: ApplicationFiled: March 7, 2002Publication date: October 24, 2002Inventors: Masao Kamiguchi, Tatsuhiro Uchiyama, Kazuo Kubota
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Patent number: 6381512Abstract: There is provided a molding-condition recovery device which may easily recover the molding condition having been applied in the past, and also permits the storage of the past molding conditions in a memory having small capacity. A reduction in required memory capacity of the modification history storage file is permitted by storing only data of a component subjected to setting modification, among the components of the molding condition, in a modification history storage file. The recovery of the past molding condition is made by replacing all the set values of the presently-applied molding condition or the data in a temporary file stored with all the set values of the first molding condition with data in the modification history storage file in sequence.Type: GrantFiled: May 27, 1999Date of Patent: April 30, 2002Assignee: Fanuc LTDInventors: Osamu Saitou, Kazuo Kubota
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Patent number: 5942292Abstract: The present invention provides a spacer for a liquid crystal display which is excellent in light shielding properties, does not suffer from fading even after the lapse of a long period, thus being excellent in long-term reliability, and has satisfactory strengths and a liquid crystal display made by using the spacer. The above spacer is composed of colored fine particles prepared by copolymerizing a polymerizable anthraquinone dye having at least one ethylenically unsaturated bond in the molecule with an ethylenically unsaturated monomer component in an aqueous medium.Type: GrantFiled: December 15, 1997Date of Patent: August 24, 1999Assignee: Kao CorporationInventors: Yasuhiro Yoneda, Kazuo Kubota, Tetsuo Takano
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Patent number: 5941759Abstract: In a lapping apparatus including upper and lower lapping turn tables, and disc-shaped workpiece holding fittings which are held rotatably between the upper and lower lapping turn tables and defines a plurality of receiving holes in which flat workpieces are located in the receiving holes, respectively, and the flat workpieces are lapped while the workpieces are moved together with the workpiece holding fittings relative to the upper and lower lapping turn tables, the thickness of the workpiece holding fittings is set to be thinner than a finished thickness of the workpieces with a difference between the thickness of the workpiece holding fittings and the finished thickness of the workpieces being 70 .mu.m or more.Type: GrantFiled: December 9, 1997Date of Patent: August 24, 1999Assignee: Shin-Etsu Handotai Co., Ltd.Inventors: Kenkichi Kitajima, Kazuo Kubota
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Patent number: 5913991Abstract: A splicing method comprising the steps of: (a) holding a first tape on a first tape guiding portion and a second tape guiding portion which are positioned in alignment with each other; (b) cutting the first tape between the first tape guiding portion and the second tape guiding portion so as to allow a first end portion held on the first tape guiding portion and a second end portion held on the second tape guiding portion to be formed in the first tape; and (c) splicing one of the first end portion and the second end portion to a second tape, wherein a step (d) of detecting whether or not at least one of a portion of the first tape being held on the first tape guiding portion and a portion of the first tape being held on the second tape guiding portion is in a predetermined holding position is effected prior to step (c), and when the at least one is in the predetermined holding position, step (c) is effected.Type: GrantFiled: February 14, 1997Date of Patent: June 22, 1999Assignee: Fuji Photo Film Co., Ltd.Inventors: Kazuo Kubota, Hirokazu Komai
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Patent number: 5800251Abstract: A lapping apparatus and a method for effectively utilizing a regenerated abrasive fluid in the lapping process of works such as semiconductor wafers or quartz wafers without causing any damage such as scratches to the works.A work lapping method using a regenerated abrasive fluid prepared from a used abrasive fluid and a new abrasive fluid, which comprises the steps of preliminarily lapping a work using the regenerated abrasive fluid to a predetermined stock removal of the work, and finally lapping the preliminarily lapped work using the new abrasive fluid.Type: GrantFiled: March 21, 1997Date of Patent: September 1, 1998Assignee: Shin-Etsu Handotai Co., Ltd.Inventors: Yasuaki Nakazato, Kazuo Kubota, Hisakazu Takano
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Patent number: 5674368Abstract: A film forming apparatus includes a film forming chamber in which a film is formed on a substrate at a film forming position, a plurality of load lock chambers provided on the film forming chamber through gate valves respectively, a plurality of pivots provided in the film forming chamber correspondingly to the respective load lock chambers, and carrying arms supported by the pivots respectively so as to move the substrate from any one of the load lock chambers to the film forming position and contrariwise from the film forming position to any one of the load lock chambers.Type: GrantFiled: May 27, 1994Date of Patent: October 7, 1997Assignee: Nissin Electric Co., Ltd.Inventors: Hajime Hashimoto, Kazuo Kubota, Daisuke Inoue, Syuichi Nogawa
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Patent number: 5482607Abstract: A film forming apparatus includes a film forming chamber in which a film is formed on a substrate at a film forming position, a plurality of load lock chambers provided on the film forming chamber through gate valves respectively, a plurality of pivots provided in the film forming chamber correspondingly to the respective load lock chambers, and carrying arms supported by the pivots respectively so as to move the substrate from any one of the load lock chambers to the film forming position and contrariwise from the film forming position to any one of the load lock chambers.Type: GrantFiled: September 20, 1993Date of Patent: January 9, 1996Assignee: Nissin Electric Co., Ltd.Inventors: Hajime Hashimoto, Kazuo Kubota, Daisuke Inoue, Syuichi Nogawa
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Patent number: 5389288Abstract: A liquid crystal display which can provide a homogeneous display by preventing an abnormal orientation of a liquid crystal around the spacers or between the spacers during energization, and which comprises spacer particles each having, at least on the surface thereof, a nonionic hydrophilic unit represented by the following formula (1): ##STR1## wherein R represents a C.sub.1 -C.sub.18 alkyl group, a C.sub.2 -C.sub.18 alkenyl group, a C.sub.6 -C.sub.18 aryl group, a C.sub.7 -C.sub.18 alkylaryl group, a C.sub.1 -C.sub.18 acyl group, a C.sub.2 -C.sub.18 alkylcarbamoyl group, a C.sub.2 -C.sub.18 acylcarbamoyl group or a C.sub.7 -C.sub.18 arylcarbamoyl group; R.sub.1 represents a linear or branched alkylene group having 2 to 4 carbon atoms wherein a hydroxyl group may be substituted for a hydrogen atom on the alkylene group; and m is a positive number of 1 to 100 on the average, with the proviso that the plural R.sub.1 's may be the same or different from each other.Type: GrantFiled: August 20, 1993Date of Patent: February 14, 1995Assignee: Kao CorporationInventors: Katsuhiko Rindo, Tadashi Nishimori, Kazuo Kubota, Akira Yoshimatsu
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Patent number: 5344301Abstract: An operating time analyzing apparatus capable of automatically determining, storing, and analyzing the operating time of an injection molding machine for each operating condition. This apparatus detects the operating conditions of the injection molding machine through internal processing with a PMCCPU 14 for the sequence control of the injection molding machine. While specific operating conditions are detected, fine times .DELTA.t, execution cycles of the internal processing, are added in succession. By doing this, integrated time for each operating condition, that is, operating time for each operating condition, is calculated. This operating time is stored in a nonvolatile RAM 8 for each operating condition of the injection molding machine through the processing by the PMCCPU 14.Type: GrantFiled: January 8, 1993Date of Patent: September 6, 1994Assignee: Fanuc Ltd.Inventors: Masao Kamiguchi, Osamu Saito, Kazuo Kubota, Masanobu Takemoto
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Patent number: 5332173Abstract: A magnetic tape cartridge in which, to provide a connection between a magnetic tape and a leader tape, any additional steps which lower the productivity, such as the step of using an adhesive, are avoided, the manufacturing process is almost the same as a conventional process, and a positive connection between the leader tape and the magnetic tape is ensured. A single reel having a magnetic tape wound thereon is housed in the cartridge, and a leader tape is connected to an end of the magnetic tape, wherein the leader tape can be drawn out from an opening of the cartridge by a tape-drawing device of a recording/reproducing unit to enable tape travel.Type: GrantFiled: October 15, 1992Date of Patent: July 26, 1994Assignee: Fuji Photo Film Co., Ltd.Inventors: Kazuo Kubota, Hideki Uchikura, Hiroshi Ozawa
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Patent number: 5251146Abstract: An injection compression molding method and an apparatus therefor are provided, which are capable of accurately performing a molten resin compression operation during execution of an injection/hold operation or a metering operation, so as to produce high-quality molded products with no substantial variations between these products.Type: GrantFiled: September 21, 1992Date of Patent: October 5, 1993Assignee: Fanuc Ltd.Inventors: Noriaki Neko, Hiroshi Umemoto, Kazuo Kubota
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Patent number: 5250601Abstract: A workable high-strength heat insulating material containing no asbestos is provided. The high-strength heat insulating material includes fibers of aromatic polyether amide dispersed in the form of filaments, 1-5% by weight, and fibrous wollastonite, 20-70% by weight. The material has a matrix made of a calcium silicate hydrate, and has a density between 1.3-1.9 g/cm.sup.3.Type: GrantFiled: September 2, 1992Date of Patent: October 5, 1993Assignee: Nichias CorporationInventors: Kazuo Kubota, Masaaki Kayama, Yasumichi Mukaida
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Patent number: 5216617Abstract: A group management system for injection molding machines, capable of rapidly determining molding conditions of a plurality of injection molding machines. Data is supplied through first to eleventh input devices (13a-33c), which indicates types of molding defects appearing in molded articles respectively produced under tentative molding conditions by first to eleventh injection molding machines (12a-32c) which form first to third injection molding machine groups (12, 22, 32). First to third work stations connected to the first to third injection molding machine groups (12, 22, 32) determine one or more molding conditions to be modified and the amount of each modification, with respect to the individual first to eleventh injection molding machines, by using a multi-user operating system, and program and database for molding condition determination.Type: GrantFiled: July 10, 1990Date of Patent: June 1, 1993Assignee: Fanuc Ltd.Inventors: Masao Kamiguchi, Kazuo Kubota
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Patent number: 5173223Abstract: A product acceptance/rejection judgment method in an injection molding machine, which makes it possible to properly and quickly set judgment standard parameters and accurately judge whether a product is acceptable or not. Based on injection pressures and screw positions periodically sampled during each of a plurality of injection processes in nondefective product molding, an injection pressure curve group represented as a function of the screw position and an injection pressure curve group represented as a function of the time period elapsed from the start of injection are displayed on two coordinate systems (6, 7) on a display screen.Type: GrantFiled: July 12, 1991Date of Patent: December 22, 1992Assignee: Fanuc Ltd.Inventors: Masao Kamiguchi, Noriaki Neko, Kazuo Kubota