Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Nippon Steel Corporation Patents
Assignee:
Nippon Steel Corporation
Address:
Tokyo, JP
No. of patents:
2121
Patents:












Patent Number Title Of Patent Date Issued
RE42668 Pearlitic steel rail having excellent wear resistance and method of producing the same September 6, 2011
This invention is directed to improve a wear resistance and a damage resistance required for a rail of a sharply curved zone of a heavy load railway, comprising more than 0.85 to 1.20% of C, 0.10 to 1.00% of Si, 0.40 to 1.50% of Mn and if necessary, at least one member selected from
RE42360 Pearlitic steel rail having excellent wear resistance and method of producing the same May 17, 2011
This invention is directed to improve a wear resistance and a damage resistance required for a rail of a sharply curved zone of a heavy load railway, comprising more than 0.85 to 1.20% of C, 0.10 to 1.00% of Si, 0.40 to 1.50% of Mn and if necessary, at least one member selected from
RE40263 Pearlitic steel rail having excellent wear resistance and method of producing the same April 29, 2008
This invention is directed to improve a wear resistance and a damage resistance required for a rail of a sharply curved zone of a heavy load railway, comprising more than 0.85 to 1.20% of C, 0.10 to 1.00% of Si, 0.40 to 1.50% of Mn and if necessary, at least one member selected from
RE35063 Method of soldering honeycomb body October 17, 1995
When soldering a honeycomb body formed by alternately piling flat foils (plates) and corrugated foils (plates), a binder liquid is sucked up from the end face of tile honeycomb body to form a binder streak in a space defined by contacting portions of the flat foil (plate) and corrugated
RE31251 Process for producing a high tension steel sheet product having an excellent low-temperature tou May 24, 1983
The production process characterized in that a steel ingot or slab containing not less than 0.004% of TiN not larger than 0.02.mu. is heated to a temperature not higher than 1150.degree. C. and rolled, and growth of the .gamma. grains during this heating and rolling step is prevented by
RE30933 Apparatus for continuous treatment of low-carbon cold-rolled steel sheet having excellent cold w May 18, 1982
An apparatus for continuous treatment of cold rolled steel sheet. The apparatus has a continuous annealing furnace through which the sheet is continuously passed and which is composed of, in succession, a heating chamber for heating the cold rolled steel sheet to a temperature range of
RE30851 Method for producing low-carbon cold rolled steel sheet having excellent cold working properties January 19, 1982
In the production of low-carbon steel, particularly low-carbon steel sheet containing less than 0.25% of Mn, improvements in the method and apparatus, which comprises hot rolling a steel having a controlled range content of Mn, O and S contents, then coiling thus hot rolled steel at
RE29313 Pitting corrosion resistant austenite stainless steel July 19, 1977
A pitting corrosion resistant austenite stainless steel comprising not more than 0.08% by weight of carbon, not more than 4% by weight of silicon, not more than 5.0% by weight of manganese, not more than 0.04% by weight of phosphorus, not more than 0.03% by weight of sulfur, 10 to 18% by
D669970 Dimpled steel pipe October 30, 2012
D669160 Dimpled steel pipe October 16, 2012
D668323 Dented steel pipe October 2, 2012
D668117 Plate October 2, 2012
D667696 Plate September 25, 2012
D667695 Plate September 25, 2012
D661383 Dented steel pipe June 5, 2012
D661382 Dented steel pipe June 5, 2012
D661381 Dimpled steel pipe June 5, 2012
D661380 Dented steel pipe June 5, 2012
D661379 Dented steel pipe June 5, 2012
D658120 Solar panel mount April 24, 2012
D652956 Wall panel January 24, 2012
D652789 Solar panel mount January 24, 2012
D636802 Vibration-damping metal plate April 26, 2011
D636801 Vibration-damping device April 26, 2011
D636800 Vibration-damping hardware April 26, 2011
D313992 Facsimile transceiver January 22, 1991
8297096 Method for hydroforming and hydroformed product October 30, 2012
The object is to raise the yield by greatly eliminating the disposed amounts of the tube ends, prevent wrinkles due to closing the mold while applying internal pressure, cutting the plurality of steps of hydroforming and pre-processing of the tube ends, cutting the mold costs by simp
8296081 Method for provision and utilization of material information regarding steel sheet for shipping October 23, 2012
The present invention provides a method for obtaining material information regarding steel sheet for shipping over the entire length of the steel sheet for shipping without spending too much time and effort, providing detailed material information in large volumes to a user through a
8294065 Stainless steel wire with flux core for welding zinc coated steel sheets October 23, 2012
A stainless steel wire having a flux core for welding zinc-based alloy coated steel sheet having an outer metal sheath coating a core of flux wherein in total having in mass (%) as percentage to the total mass of the wire: C: 0.01-0.05%, Si: 0.1-1.5%, Mn: 0.5-3.0%, Ni: 7.0-10.0%, Cr:
8291740 Hot forming die, press forming apparatus, and hot press forming method October 23, 2012
A hot forming die according to an exemplary embodiment can be provided for a press forming apparatus which can press-forms a heated metal plate (e.g., a work material) and may cool the work material by ejecting a cooling medium onto the work material. The hot forming die can have a m
8282747 Cooling method of steel plate October 9, 2012
A cooling method of steel plate able to raise a cooling uniformity in a steel plate conveyance direction comprising, at a front stage part of a cooling apparatus, not spraying while a front end region of steel plate is passing, spraying by successively increasing the cooling water rate
8281630 Method for hydroforming and a hydroformed product October 9, 2012
The invention has as its object to perform hydroforming so that no buckling or wrinkles remain at a hydroformed product with a long expanded region and comprises performing a first step of raising the internal pressure in a state with the metal tube fixed in position at the two ends
8277574 Method for manufacturing grain-oriented electromagnetic steel sheet whose magnetic domains are c October 2, 2012
There is provided a method for manufacturing a grain-oriented electromagnetic steel sheet whose iron losses are reduced by laser beam irradiation, capable of improving the iron losses in both the L-direction and the C-direction while easily ensuring high productivity. The method for
8276804 Manufacturing method of fuel tank, and fuel tank October 2, 2012
This manufacturing method of a fuel tank is for manufacturing a metallic fuel tank having a concavo-convex portion in a course of seam welding using a seam welder, wherein the seam welding is performed using the seam welder provided with a non-interfering space where interference with th
8268097 Grain-oriented electrical steel sheet and producing method therefor September 18, 2012
A grain-oriented electrical steel sheet has a tension film that does not include chromium. In the present invention, the tension film, including a phosphate and silica as constituents, includes a manganese compound and a potassium compound. The mole ratio K/Mn of potassium to manganese i
8266939 Method for hydroforming and hydroformed product September 18, 2012
The object is to raise the yield by greatly eliminating the disposed amounts of the tube ends, prevent wrinkles due to closing the mold while applying internal pressure, cutting the plurality of steps of hydroforming and pre-processing of the tube ends, cutting the mold costs by simp
8263232 Composite coated zinc-containing plated steel material superior in corrosion resistance, blacken September 11, 2012
The present invention provides a composite coated zinc-containing plated steel material different from the plated steel materials treated by conventional chromate replacement technologies and superior in all of corrosion resistance, blackening resistance, coating adhesion, and alkali
8262818 Method for producing high strength steel sheet excellent in formability September 11, 2012
A high strength steel sheet excellent in formability which has a chemical composition in mass %: C: 0.03 to 0.20%, Si: 0.005 to 0.3%, Mn: 1.0 to 3.1%, P: 0.001 to 0.06%, S: 0.001 to 0.01%, N: 0.0005 to 0.01%, Al: 0.2 to 1.2%, Mo.ltoreq.0.5%, and the balance: Fe and inevitable impurities,
8246768 High-tensile steel plate of low acoustic anisotropy and high weldability having yield stress of August 21, 2012
A high-tensile steel plate of low acoustic anisotropy and high weldability having yield stress of 450 MPa or greater and tensile strength of 570 MPa or greater and a process for producing the steel plate are provided. The steel has an Si content of 0.10% or less, thereby achieving a
8241744 Surface-treated metal material and producing method thereof August 14, 2012
This surface-treated metal material includes a composite film obtained by applying a metal surface treatment agent on a surface of a metal material and drying the metal surface treatment agent, the metal surface treatment agent containing: an organic silicon compound (W) obtained by comb
8241742 Coated steel sheet comprising a composite coat containing compounded resin particles August 14, 2012
It is an object of the present invention to provide a coated steel sheet, properties of which such as tape peeling resistance, solvent resistance, alkali resistance and abrasion resistance are improved. A coated steel sheet coated with a composite coat, wherein said composite coat
8236233 Taphole structure of melting furnace and repair method thereof August 7, 2012
A taphole structure of a melting furnace includes: a sleeve made of a fire-resistant brick, which is disposed inside a tapping hole provided in a furnace wall brick; and a ramming material which fills a gap between the sleeve and the tapping hole for fixing the sleeve. In addition, a
8236111 Product for enameling and enameled product August 7, 2012
The present invention provides a product for enameling and an enameled product that achieve adhesion, bubble/black spot defect resistance and fishscale resistance, even when preprocessing and ground coating are omitted, which product comprise a steel sheet having on the surface there
8236110 Method of producing grain-oriented electrical steel sheet August 7, 2012
The invention produces a grain-oriented electrical steel sheet having a primary recrystallization structure in which Goss-oriented crystal grains and crystal grains having a coincidence orientation relationship to the Goss orientation are aligned in the rolling direction. It is chara
8235091 Amorphous ribbon take-up roll switching method and switching system August 7, 2012
The present invention provides an amorphous ribbon take-up roll switching and method which use a take-up device provided with a plurality of take-up rolls magnetized on their surfaces so as to take up an amorphous alloy ribbon during which it is possible to simply and inexpensively s
8234897 Press-forming device and press-forming method August 7, 2012
A press-forming device has a punch (2), a die (7) which relatively moves with respect to the punch (2), a strain amount measuring means (8) which is provided inside a member to be controlled and measures a strain amount of the aforesaid member to be controlled which occurs in accordance
8216400 High-strength steel plate and producing method therefor July 10, 2012
A high-strength steel plate includes the following composition: 0.18 to 0.23 mass % of C; 0.1 to 0.5 mass % of Si; 1.0 to 2.0 mass % of Mn; 0.020 mass % or less of P; 0.010 mass % or less of S; 0.5 to 3.0 mass % of Ni; 0.003 to 0.10 mass % of Nb; 0.05 to 0.15 mass % of Al; 0.0003 to 0.00
8216397 High-strength hot-dip galvanized steel sheet and hot-dip galvannealed steel sheet having fatigue July 10, 2012
The present invention provides: a high-strength high-ductility hot-dip galvanized steel sheet and hot-dip galvannealed steel sheet having high fatigue resistance and corrosion resistance; a high-strength hot-dip galvanized steel sheet excellent in ductility, which improves non-plating
8210239 Continuous casting method of molten metal July 3, 2012
A continuous casting method of molten metal using electromagnetic force to improve the cast slab surface properties and reduce the nonmetallic inclusions and bubbles trapped inside the cast slab is provided. An alternating current is run through an electromagnetic coil arranged aroun
8210231 Cast slab of non-oriented electrical steel and manufacturing method thereof July 3, 2012
There is produced a molten steel containing, in mass %, Si: not less than 0.1% nor more than 7.0%, Mn: 0.1% or more, Al: not less than 0.2% nor more than 5.0%, Cr: not less than 0.1% nor more than 10%, and the like, and a balance composed of Fe and inevitable impurities. To the molten

 
 
  Recently Added Patents
Event handling in an integrated execution environment
Simulation parameter correction technique
Systems and methods for flow mirroring with network-scoped connection-oriented sink
Fingerprinting apparatus, system, and method
Point-of-sale cart
Multi-carrier operation for wireless systems
Display screen of a mobile terminal or portion thereof with a graphical user interface
  Randomly Featured Patents
Substituted purines and oligonucleotide cross-linking
Therapeutic package for the long term reduction of body fat stores insulin resistance hyperinsulinemia and hyperglycemia in vertebrates
Solid-state image device, method for producing the same, and image pickup apparatus
Human prostatic specific reductase
Method of making fast, trench isolated, planar flash EEPROMS with silicided bitlines
Apparatus for the measuring and controlling the eccentricity of colored coating layer of an optical fiber
Multi-perspective rear projection system for autostereoscopic reproduction of three-dimensional displays
Animated image for a portion of a display screen
Method of making a gypsum slurry with modifiers and dispersants
Photographic processing composition and image-forming method using the same