| The Furukawa Battery Co., Ltd. Patent applications |
| Patent application number | Title | Published |
| 20110195304 | MULTI-COMPONENT-SYSTEM LITHIUM PHOSPHATE COMPOUND PARTICLES HAVING AN OLIVINE STRUCTURE, MANUFACTURING METHOD THEREOF AND LITHIUM SECONDARY BATTERY EMPLOYING THE LITHIUM PHOSPHATE COMPOUND PARTICLES AS A POSITIVE ELECTRODE MATERIAL - There is disclosed a multi-component system lithium phosphate compound particles having an olivine structure and represented by a general formula of Li | 08-11-2011 |
| 20090293997 | METHOD FOR PRODUCING LEAD-BASE ALLOY GRID FOR LEAD-ACID BATTERY - The present invention relates to a method for producing a lead-base alloy grid for lead-acid battery having excellent mechanical strength, corrosion resistance, and growth resistance the method including heat treatment of a Pb—Ca—Sn alloy grid being subjected to natural aging for 2 to 750 hours before heat treatment. | 12-03-2009 |
| 20090293996 | METHOD FOR PRODUCING LEAD-BASE ALLOY GRID FOR LEAD-ACID BATTERY - The present invention relates to a method for producing a lead-base alloy grid for lead-acid battery having excellent mechanical strength, corrosion resistance and growth resistance, including two-step heat treatment of a Pb—Ca—Sn alley grid containing 0.06% by mass or less of calcium, the first heat treatment being conducted at a temperature of 40° C. to 110° C., the second heat treatment being conducted at a temperature of 90° C. to 140° C., and the first heat treatment being conducted at a lower temperature than the second heat treatment. | 12-03-2009 |
| 20090172932 | Method of manufacturing a lead or a lead alloy plate lattice for a lead-acid battery - A method of manufacturing a lead or a lead alloy plate lattice for a lead-acid battery, featured in that a melt of lead or a lead alloy is continuously extruded under temperatures lower by 10 to 100° C. than the melting point of the lead or the lead alloy, followed by subjecting the extrudate to cold rolling under temperatures lower by 50 to 230° C. than the melting point of the lead or the lead alloy with the total draft rate set at 10 to 90% and subsequently cooling and processing the cold rolled extrudate so as to manufacture a plate lattice. | 07-09-2009 |