Patents by Inventor Tetsuo Shimizu

Tetsuo Shimizu 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).

Methods of manufacturing cold-rolled and hot-dip galvanized steel sheet excellent in strain age hardening property

Publication number: 20030213535

Abstract: The present invention provides a steel sheet having a chemical composition comprising 0.15% or less C, 2.0% or less Si, 3.0% or less Mn, P, S, Al and N in adjusted amounts, from 0.5 to 3.0% Cu, or one or more of Cr, Mo and W in a total amount of 2.0% or less, and having a composite structure comprising ferrite and martensite having an area ratio of 2% or more. The steel sheet is in the form of a high-strength hot-rolled steel sheet, a high-strength cold-rolled steel sheet, or a hot-dip galvanized steel sheet. There is thus available a steel sheet excellent in press-formability and in strain age hardening property as represented by a &Dgr;TS of 80 MPa or more.

Type: Application

Filed: May 2, 2003

Publication date: November 20, 2003

Applicant: Kawasaki Steel Corporation, a corporation of Japan

Inventors: Saiji Matsuoka, Tetsuo Shimizu, Kei Sakata, Osamu Furukimi
Liquid material supply system and method for semiconductor manufacturing

Publication number: 20030209143

Abstract: A liquid material supply system in which an inert gas is injected into a material tank accommodating a liquid material so as to discharge the liquid material into a liquid material discharge pipe connected to the material tank and that the inert gas dissolved or mixed in the discharged liquid material is trapped by a gas trap provided on the liquid material discharge pipe, is constructed in such a manner that when a dissolution temperature characteristic of the inert gas with respect to the liquid material is negative, an upstream side of the liquid material discharge pipe with respect to the gas trap is heated while the downstream side of the liquid material discharge pipe with respect to the gas trap is cooled.

Type: Application

Filed: March 7, 2003

Publication date: November 13, 2003

Inventors: Makoto Yonebayashi, Hideaki Miyamoto, Tetsuo Shimizu
Material for fluorine-containing coating composition and method for coating by using same

Patent number: 6645555

Abstract: To provide a fluorine-containing coating material which gives excellent adhesive strength directly to a substrate such as metal, glass, etc. with maintaining excellent characteristics of the fluorine-containing polymer such as thermal resistance, chemical resistance, non-sticking property and low friction property, and a method for coating the material. The fluorine-containing coating material is prepared by using a fluorine-containing ethylenic polymer having functional group which is obtained by copolymerizing (a-1) 0.05 to 30% by mole of at least one of fluorine-containing ethylenic monomers having any one of functional groups selected from hydroxyl, carboxyl, carboxylate salt group, carboxylate ester group or epoxy and (b-1) 70 to 99.95% by mole of at least one of fluorine-containing ethylenic monomers having no functional group mentioned above.

Type: Grant

Filed: January 3, 2000

Date of Patent: November 11, 2003

Assignee: Daikin Industries, Ltd.

Inventors: Takayuki Araki, Hisato Sanemasa, Masahiro Kumegawa, Noritoshi Oka, Tetsuo Shimizu
Methods of manufacturing hot-dip galvanized hot-rolled and cold-rolled steel sheets excellent in strain age hardening property

Publication number: 20030201038

Abstract: The present invention provides a steel sheet having a chemical composition comprising 0.15% or less C, 2.0% or less Si, 3.0% or less Mn, P, S, Al and N in adjusted amounts, from 0.5 to 3.0% Cu, or one or more of Cr, Mo and W in a total amount of 2.0% or less, and having a composite structure comprising ferrite and martensite having an area ratio of 2% or more. The steel sheet is in the form of a high-strength hot-rolled steel sheet, a high-strength cold-rolled steel sheet, or a hot-dip galvanized steel sheet. There is thus available a steel sheet excellent in press-formability and in strain age hardening property as represented by a &Dgr;TS of 80 MPa or more.

Type: Application

Filed: May 2, 2003

Publication date: October 30, 2003

Applicant: Kawasaki Steel Corporation, a Corporation of Japan

Inventors: Saiji Matsuoka, Tetsuo Shimizu, Kei Sakata, Osamu Furukimi
Liquid material evaporation apparatus for semiconductor manufacturing

Publication number: 20030196763

Abstract: A liquid material evaporation apparatus including a mixing chamber, a flow control unit, a first flow passage for introducing a liquid material, a second flow passage for introducing a carrier gas connected to the mixing chamber through a first nozzle, the first nozzle inhibiting backflow from the mixing chamber into the second flow passage. A third flow passage for discharging evaporated mixed gas is connected to the mixing chamber through a second nozzle, the mixed liquid material and carrier gas being forced through the second nozzle by the flow control unit, the mixed liquid material and carrier gas depressurizing after passing through the second nozzle to evaporate into a mixed gas in the third flow passage. Heat is applied to the mixing chamber and the second and third flow passages to enhance mixing in the mixing chamber and to avoid condensation in the third flow passage.

Type: Application

Filed: March 11, 2003

Publication date: October 23, 2003

Inventors: Hideaki Miyamoto, Wataru Nishida, Tetsuo Shimizu
FLUORINE-CONTAINING ADHESIVE AND ADHESIVE FILM AND LAMINATED ARTICLE PRODUCED BY USING SAME

Publication number: 20030194564

Abstract: To provide a fluorine-containing adhesive which maintains thermal resistance, chemical resistance, weather resistance and electric insulating property and has strong adhesive property directly to substrates particularly metal and glass, and an adhesive film and laminated article which are obtained by using the fluorine-containing adhesive. There is used a fluorine-containing ethylenic polymer having hydroxyl which is prepared by copolymerizing 0.05 to 30% by mole of at least one of fluorine-containing ethylenic monomers having hydroxyl and 70 to 99.95% by mole of at least one of fluorine-containing ethylenic monomers copolymerizable with the above-mentioned monomer.

Type: Application

Filed: June 5, 1998

Publication date: October 16, 2003

Inventors: TAKAYUKI ARAKI, YOSHITO TANAKA, MASAHIRO KUMEGAWA, NORITOSHI OKA, TETSUO SHIMIZU
Porous sheet made of fluoropolymer and process for producing liquid-crystal display panel with using the same

Publication number: 20030179330

Abstract: A method of producing a liquid crystal display panel, which comprises compressing at least one liquid crystal cell to squeeze spacers so as to prepare a space for enclosing uniformly a liquid crystal, and then using a cushioning material made of a fluoropolymer on at least one main surface of the liquid crystal cell in a step of curing a laminating resin and/or a step of curing a resin for sealing a liquid crystal enclosure inlet after at least one liquid crystal cell enclosing the liquid crystal is pressed to discharge excess liquid crystal, is disclosed. This method improves the yield of the liquid crystal display panel.

Type: Application

Filed: January 10, 2003

Publication date: September 25, 2003

Inventors: Tetsuo Shimizu, Katsusada Tokuhira, Hitoshi Imamura, Takahisa Sakamoto
Thermoplastic resin composition

Publication number: 20030166780

Abstract: A thermoplastic resin composition comprising a blend obtainable by blending 0.1 to 99 % by weight of (a) a fluorine-containing polymer having a number-average molecular weight of 2000 to 1000000 and having hydroxy group or epoxy group at least at one of end portions of a main chain and side chain of the polymer, and 1 to 99.9 % by weight of (b) a heat resisting thermoplastic resin having a crystalline melting point or glass transition temperature of not less than 150° C. The present invention can provide a composition comprising various heat resisting thermoplastic resins and a fluorine-containing polymer having a functional group which is capable of developing an affinity with said resins and forming a uniform dispersion.

Type: Application

Filed: December 31, 2002

Publication date: September 4, 2003

Inventors: Tetsuo Shimizu, Yoshihisa Yamamoto, Seitaro Yamaguchi, Nobuhiko Tsuda, Noriyasu Yamane, Takafumi Yamato, Masahiro Kumegawa, Takayuki Araki
COMPOSITE MATERIAL HAVING SLIDING PROPERTY

Publication number: 20030162027

Abstract: A composite material having sliding property is produced by applying, to a substrate, a material comprising a fluorine-containing ethylenic polymer having functional group which is prepared by copolymerizing (a) 0.05 to 30% by mole of at least one of fluorine-containing ethylenic monomers having at least one functional group selected from the group consisting of hydroxyl, carboxyl, a carboxylic salt group, a carboxylic ester group and epoxy, and (b) 70 to 99.95% by mole of at least one of fluorine-containing ethylenic monomers having no functional group mentioned above. The composite material having sliding property which is produced by applying, to the substrate, the material comprising the fluorine-containing polymer having an excellent adhesive property to the substrate without necessitating complicated steps.

Type: Application

Filed: November 16, 1999

Publication date: August 28, 2003

Inventors: TAKAYUKI ARAKI, YOSHITO TANAKA, MASAHIRO KUMEGAWA, NORITOSHI OKA, HISATO SANEMASA, TETSUO SHIMIZU
Laminated resin

Publication number: 20030157335

Abstract: The present invention is to provide a multilayer molding comprising a polyamide-based resin as an outer layer and having excellent interlayer adhesion, in particular, the multilayer molding comprising a fluorine-containing resin as an inner layer, as well as a resin laminate which can form the multilayer molding.

Type: Application

Filed: November 1, 2002

Publication date: August 21, 2003

Inventors: Takeshi Inaba, Taketo Kato, Shigehito Sagisaka, Takuya Arase, Tetsuo Shimizu
Novel fluorine-containing polymer having acid-reactive group and chemically amplifying type photoresist composition prepared from same

Publication number: 20030152864

Abstract: There is provided a novel fluorine-containing polymer having an acid-reactive group which has a high transparency against energy rays (radioactive rays) in a vacuum ultraviolet region (157 nm), and further there are provided a material for fluorine-containing base polymer prepared from the polymer and suitable for a photoresist and a chemically amplifying type resist composition obtained therefrom.

Type: Application

Filed: October 3, 2002

Publication date: August 14, 2003

Applicant: Daikin Industries, Ltd.

Inventors: Takayuki Araki, Meiten Koh, Yoshito Tanaka, Takuji Ishikawa, Hirokazu Aoyama, Tetsuo Shimizu
Layered resin molding and multilayered molded article

Publication number: 20030148125

Abstract: The present invention is to provide a laminated resin molding comprising a polyamide-based resin composition as an outer layer and being excellent in interlayer adhesion strength, in particular a laminated resin molding comprising a fluorine-containing resin as an inner layer.

Type: Application

Filed: November 1, 2002

Publication date: August 7, 2003

Inventors: Takeshi Inaba, Taketo Kato, Shigehito Sagisaka, Takuya Arase, Tetsuo Shimizu
Filler-containing polytetrafluoroethylene granular powder for molding and preparation process of same

Patent number: 6596806

Abstract: To provide a filler-containing PTFE granular powder for molding, which has a high apparent density, a small electrostatic charge and excellent flowability and gives a molded article which is free from lowering of tensile strength and elongation and coloring attributable to a surfactant. Also a process for preparing the granular powder is provided. The granulation is carried out by wetting 100 parts by weight of a mixture of a PTFE powder and filler with 30 to 60 parts by weight of an aqueous solution containing an anionic surfactant in a concentration of not less than 10 times and less than 40 times the critical micelle concentration and then applying mechanical force to the mixture.

Type: Grant

Filed: June 26, 2001

Date of Patent: July 22, 2003

Assignee: Daikin Industries, Ltd.

Inventors: Michio Asano, Tetsuo Shimizu, Shoji Kawachi
Composite structure type high tensile strength steel plate, plated plate of composite structure type high tensile strength steel and method for their production

Publication number: 20030129444

Abstract: The invention proposes a high-strength dual-phase cold rolled steel sheet having an excellent deep drawability, wherein the steel sheet has a composition comprising C: 0.01-0.08 mass %, Si: not more than 2.0 mass %, Mn: not more than 3.0 mass %, P: not more than 0.10 mass %, S: not more than 0.02 mass %, A1: 0.005-0.20 mass %, N: not more than 0.02 mass % and V: 0.01-0.5 mass %, provided that V and C satisfy a relationship of 0.5×C/12≦V/51≦3×C/12, and the remainder being Fe and inevitable impurities, and has a microstructure consisting of a ferrite phase as a primary phase and a secondary phase including martensite phase at an area ratio of not less than 1% to a whole of the microstructure and a high-strength dual-phase galvanized steel sheet comprising a galvanized coating on the above steel sheet as well as a method of producing the same.

Type: Application

Filed: July 23, 2002

Publication date: July 10, 2003

Inventors: Saiji Matsuoka, Kazuhiro Hanazawa, Tetsuo Shimizu, Kei Sakata
Heat-resistant material and coating material for OA equipments having flexibility

Publication number: 20030130432

Abstract: It is possible to provide the heat resistant material and coating material for OA equipments which comprise a fluorine-containing multi-segment polymer having heat resistance, abrasion resistance, non-sticking property against toner and oil resistance in addition to flexibility and are used particularly on surfaces of fuser roll and belt. Those materials comprise a fluorine-containing multi-segment polymer having an elastomeric fluorine-containing polymer chain segment A and a non-elastomeric fluorine-containing polymer chain segment B, and the elastomeric fluorine-containing polymer chain segment A comprises not less than 90% by mole of perhaloolefin unit as a recurring unit and imparts flexibility to the whole polymer.

Type: Application

Filed: September 12, 2002

Publication date: July 10, 2003

Applicant: DAIKIN INDUSTRIES, LTD.

Inventors: Takayuki Araki, Yoshito Tanaka, Masahiro Kumegawa, Norihito Otsuki, Masami Kato, Tetsuo Shimizu
Hot rolled steel plate, cold rolled steel plate and hot dip galvanized steel plate being excellent in strain aging hardening characteristics, and method for their production

Publication number: 20030111144

Abstract: The present invention provides a steel sheet having a chemical composition comprising 0.15% or less C, 2.0% or less Si, 3.0% or less Mn, P, S, Al and N in adjusted amounts, from 0.5 to 3.0% Cu, or one or more of Cr, Mo and W in a total amount of 2.0% or less, and having a composite structure comprising ferrite and martensite having an area ratio of 2% or more. The steel sheet is in the form of a high-strength hot-rolled steel sheet, a high-strength cold-rolled steel sheet, or a hot-dip galvanized steel sheet. There is thus available a steel sheet excellent in press-formability and in strain age hardening property as represented by a &Dgr;TS of 80 MPa or more.

Type: Application

Filed: December 31, 2001

Publication date: June 19, 2003

Inventors: Saiji Matsuoka, Tetsuo Shimizu, Kei Sakata, Osamu Furukimi
Methods for providing low-molecular radicals, radical-carrying molecules, a polymerization catalyst containing them and processes for polymerization and polymers produced thereby

Publication number: 20030114613

Abstract: The present invention is to provide a method for providing a low-molecular radical which comprises releasing a radical having a lower molecular weight from a super-stable perfluoroalkyl-based radical followed by generating the above super-stable perfluoroalkyl-based radical.

Type: Application

Filed: November 12, 2002

Publication date: June 19, 2003

Applicant: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY

Inventors: Taizo Ono, Eiji Hayashi, Haruhiko Fukaya, Tetsuo Shimizu
High-ductility steel sheet excellent in press formability and strain age hardenability, and method for manufacturing the same

Publication number: 20030106622

Abstract: A steel sheet composition contains appropriate amounts of C, Si, Mn, P, S, Al and N and 0.5 to 3.0% Cu. A composite structure of the steel sheet has a ferrite phase or a ferrite phase and a tempered martensite phase as a primary phase, and a secondary phase containing retained austenite in a volume ratio of not less than 1%. In place of the Cu, at least one of Mo, Cr, and W may be contained in a total amount of not more than 2.0%. This composition is useful in production of a high-ductility hot-rolled steel sheet, a high-ductility cold-rolled steel sheet and a high-ductility hot-dip galvanized steel sheet having excellent press formability and excellent stain age hardenability as represented by a &Dgr;TS of not less than 80 MPa, in which the tensile strength increases remarkably through a heat treatment at a relatively low temperature after press forming.

Type: Application

Filed: June 6, 2002

Publication date: June 12, 2003

Applicant: KAWASAKI STEEL CORPORATION

Inventors: Saiji Matsuoka, Tetsuo Shimizu, Kei Sakata, Osamu Furukimi
Method for producing hollow yarn film

Publication number: 20030107150

Abstract: In a method for producing hollow fiber membranes which comprises melt kneading a mixture comprising polyvinylidene fluoride and an organic liquid or a mixture comprising polyvinylidene fluoride, an organic liquid and an inorganic fine powder, extruding the kneaded mixture to form hollow fibers, and extracting the organic liquid or the organic liquid and the inorganic fine powder from the hollow fibers, which includes the steps of drawing the hollow fibers before or after termination of the extraction and then shrinking the fibers. According to this method, it is possible to stably produce hollow fiber membranes having dense pores and having a high water permeation performance, excellent endurance and stain resistance, and which are suitable for filtration uses such as removal of turbidity of water.

Type: Application

Filed: November 6, 2002

Publication date: June 12, 2003

Inventors: Katsuhiko Hamanaka, Tetsuo Shimizu
Highly branched perfluoroolefins, super-stable perfluoroalkyl radicals and production methods thereof

Publication number: 20030097031

Abstract: The present invention is to provide a method for producing a highly branched perfluoroolefin conveniently in a high yield, a novel highly branched perfluoroolefin, a method for producing a super-stable perfluoroalkyl radical and a novel super-stable perfluoroalkyl radical.

Type: Application

Filed: November 12, 2002

Publication date: May 22, 2003

Applicant: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY

Inventors: Taizo Ono, Masakazu Nishida, Masaharu Okazaki, Kazumi Toriyama, Tetsuo Shimizu

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