| Patent Number |
Title Of Patent |
Date Issued |
| 6692872 |
Metal hydride negative electrode and method for producing same |
February 17, 2004 |
| There is provided a metal hydride negative electrode having excellent discharge characteristics at the beginning of a charge and discharge cycle, excellent gas absorptivity during charge, and an excellent cycle life, and a method for producing the same without the need of any complic |
| 5968449 |
Iron base Si--Mn alloy or iron base Si--Mn--Ni alloy having good crushability and alloy powder t |
October 19, 1999 |
| An object of the present invention is to provide an iron base Si--Mn alloy or an iron base Si--Mn--Ni alloy which can be easily crushed and can be manufactured in large quantity, and alloy powder thereof.An iron base Si--Mn--Ni alloy having good crushability and alloy powder thereof, com |
| 5938910 |
Electrolytic manganese dioxide and method of manufacturing the same |
August 17, 1999 |
| Electrolytic manganese dioxide having a BET specific surface area of less than 30 m.sup.2 /g and a suspensiveness of less than 50 mg/liter is used for alkaline manganese batteries and manganese batteries to make them excellent both in initial performance and storability. The electrolytic |
| 5916519 |
Hydrogen storage alloy containing iron |
June 29, 1999 |
| To provide a hydrogen storage alloy usable as a negative electrode having a long life and good high-discharge characteristics. Hydrogen storage alloy for cell wherein its general expression is as follows:RNi.sub.a Co.sub.b Al.sub.c Mn.sub.d Fe.sub.e(where R is a mixture of rare earth element |
| 5749935 |
Manganese fertilizer |
May 12, 1998 |
| Manganese byproducts produced in the course of manufacturing electrolytic manganese dioxide provide a novel manganese fertilizer having a fertilizer response that can operate both instantaneously and slow-release. A manganese fertilizer contains manganese byproducts and has 3 to 20 wt % |
| 5746902 |
Electrolytic manganese dioxide and method of manufacturing the same |
May 5, 1998 |
| There is provided manganese dioxide to be suitably used for alkaline manganese batteries and manganese batteries to make them excellent both in the initial performance and the storability. There is also provided a method of manufacturing such manganese dioxide. The electrolytic manganese |
| 5561833 |
Method of making high oxygen chromium target |
October 1, 1996 |
| To provide a raw material for high oxygen chromium targets containing oxygen in a form capable of effectively preventing the dust ejection phenomenon. A raw material for high oxygen chromium targets comprising chromium crystalline particles dispersed in metallic chromium wherein at l |
| 5482614 |
Electroluminescence display |
January 9, 1996 |
| An EL lamp having a higher luminescence efficiency and a process for manufacturing the same are provided. The EL element includes an aluminum foil having at least one specularly polished surface, an anodized oxide film formed on the specularly polished surface of the aluminum foil, a |
| 5476248 |
Apparatus for producing high-purity metallic chromium |
December 19, 1995 |
| There is proposed a novel method for manufacturing high-purity metallic chromium that can eliminate the problems of reduced heating capability of the furnace, contamination of produced metallic chromium and other disadvantages related to the operation of the furnace. According to the |
| 5397373 |
Raw material for high oxygen chromium target |
March 14, 1995 |
| A raw material for high oxygen chromium targets comprising chromium crystalline particles dispersed in metallic chromium wherein at least a portion of the surface of all the crystals constituting the oxide crystalline particles is in contact with the matrix of said metallic chromium. |
| 5391215 |
Method for producing high-purity metallic chromium |
February 21, 1995 |
| There is proposed a novel method for manufacturing high-purity metallic chromium that can eliminate the problems of reduced heating capability of the furnace, contamination of produced metallic chromium and other disadvantages related to the operation of the furnace. According to the |
| 5359261 |
Electroluminescence display |
October 25, 1994 |
| An EL lamp having a higher luminescence efficiency and a process for manufacturing the same are provided. The EL element includes an aluminum foil having at least one specularly polished surface, an anodized oxide film formed on the specularly polished surface of the aluminum foil, a |
| 5259866 |
Method for producing high-purity metallic chromium |
November 9, 1993 |
| Chromium carbide powder and/or powder of an easily sulfidable metal are added to powdered crude metallic chromium to form a mixture thereof, which is then heated in vacuum to remove S, N and O by degassing so that consequently the crude metallic chromium is free from impurities to a |
| 5227344 |
Ceramics composite article and method for making same |
July 13, 1993 |
| Ceramic composite articles having dispersed whiskers or platelets oriented parallel to an outer surface of the articles and in two-dimensionally random directions thereof. The articles may be made by forming and sintering under a pressure of about 1 to 10 atmospheres without using hot |
| 5221376 |
High strength magnesium-based alloys |
June 22, 1993 |
| Disclosed are high strength magnesium-based alloys consisting essentially of a composition represented by the general formula (I) Mg.sub.a M.sub.b X.sub.d, (II) Mg.sub.a Ln.sub.c X.sub.d or (III) Mg.sub.a M.sub.b Ln.sub.c X.sub.d, wherein M is at least one element selected from the group |
| 5118368 |
High strength magnesium-based alloys |
June 2, 1992 |
| Disclosed are high strength magnesium-based alloys consisting essentially of a composition represented by the general formula (I) Mg.sub.a M.sub.b X.sub.d, (II) Mg.sub.a Ln.sub.c X.sub.d or (III) Mg.sub.a M.sub.b Ln.sub.c X.sub.d, wherein M is at least one element selected from the group |
| 5092921 |
Method for producing high-purity metallic chromium |
March 3, 1992 |
| High-purity metallic chromium is produced by a method of initially preparing a mixture of chromium oxide, aluminum, carbon and an easily sulfidable metallic powder, and subsequently providing a thermite-reaction with the mixture to produce thermite-crude metallic chromium and a solid |
| 4943418 |
Method of preparing high-purity manganese compounds |
July 24, 1990 |
| In a method of preparing high-purity manganese compounds, wherein the method comprises adding a member selected from ferromanganese and metallic manganeses to an aqueous electrolyte-containing solution, dissolving said member while stirring and maintaining a pH of 2 to 9, and then removi |
| 4900526 |
Polycrystalline rhombohedral boron nitride and method of producing the same |
February 13, 1990 |
| The specification discloses a polycrystalline boron nitride of high purity and high density consisting essentially of rhombohedral crystals in which the three-fold rotation axes, parallel to the c-axis in the notation of hexagonal crystal system, of the crystals have a preferred orientat |
| 4772304 |
Transparent BN-type ceramic material and method of producing the same |
September 20, 1988 |
| A transparent BN-type ceramic material comprising 10 to 40 wt. % of boron (B), 35 to 55 wt. % of nitrogen (N) and 3 to 40 wt. % of silicon (Si) as the main component elements, and 1 to 10 wt. % of sub-component elements, with the property of not being crystallized by heat treatment at |
| 4739830 |
Method of collecting geothermal steam using AE/MA measurement |
April 26, 1988 |
| A method of collecting geothermal steam using Acoustic Emission Microseismic Activity (AE/MA) measurement includes the steps of (a) surveying an AE wave emitted in subsurface cracks to obtain the size of a water permeable geothermal reservoir by analyzing the AE wave, (b) further sur |
| 4653500 |
Electrocardiographic amorphous alloy electrode |
March 31, 1987 |
| An electrocardiographic amorphous alloy electrode is manufactured from an iron-based (or nickel-based) amorphous alloy containing chromium as a metallic element and also containing at least one member of a group consisting of phosphorus, carbon, silicon and boron as a non-metallic el |
| 4595059 |
Method of providing a conductor pipe to an opening portion of a well |
June 17, 1986 |
| A method of providing a conductor pipe to an opening portion of a well such as an oil well, gas well, geothermal power well or the like. A bore is formed in the ground with a casing tube and an auger screw, inserted into the casing tube, to a predetermined depth, after which the auger sc |
| 4543197 |
Process for producing magnetic metallic oxide |
September 24, 1985 |
| A process for producing magnetic metallic oxide which comprises the steps of pulverizing at least one member selected from the group consisting of ferro-manganese, ferro-nickel, electrolytic manganese, electrolytic iron and electrolytic zinc, adding to the substance thus pulverized at le |
| 4347614 |
Apparatus for refining ferrosilicon |
August 31, 1982 |
| A gas having high CO content evolved at reaction zone in a ferrosilicon-refining electric furnace is burned and deflected to wipe transversely on the top level of the charged raw materials with the aid of air introduced near electrodes through an air pipe. The burning of the gas is s |
| 4255184 |
Method and apparatus for refining ferrosilicon |
March 10, 1981 |
| A gas having high CO content evolved at reaction zone in a ferrosilicon-refining electric furnace is burned and deflected to wipe transversely on the top level of the charged raw materials with the aid of air introduced near electrodes through an air pipe. The burning of the gas is s |
| 4123257 |
Method of treating a plating sludge |
October 31, 1978 |
| A method of treating a plating sludge is disclosed, wherein a plating sludge, whose water content is decreased to not higher than 10% by weight, is mixed with scale, dust, both of which are formed in the alloy steel-making step, a binder and a carbonaceous material, and water is adde |
| 4004918 |
Method of treating waste produced during stainless steel making |
January 25, 1977 |
| A method of treating waste produced during stainless steel making is disclosed. The method comprises the steps of kneading a sludge cake with a mixture of dust and scale to obtain a kneaded mass, adding an organic binder and eventually adding water with an inorganic binder to said kn |
