Inventor: Fumio Kato

Address: Osaka, JP
No. of applications: 27
Last application issue date: 01/12/2012

Application No.	Application Title	Issue Date
20120009465	ALKALINE BATTERY An alkaline battery which is superior in high-rate discharge characteristics and in moderate- and low-rate discharge characteristics is provided. An alkaline battery according to the present invention includes a closed-end cylindrical batte...	01/12/2012
20110269003	LITHIUM PRIMARY BATTERY A lithium primary battery 10 includes an electrode group in which a positive electrode 1 having iron disulfide as a positive electrode active material and a negative electrode 2 having lithium as a negative electrode active material are wound, with ...	11/03/2011
20110217579	ALKALINE BATTERY A negative electrode (6) of an alkaline battery is a wound porous sheet containing zinc, and includes a hollow part (6a). A main body (21) of a negative electrode current collector (20) is disposed in the hollow part (6a)...	09/08/2011
20110189516	ALKALINE DRY BATTERY The present invention provides an alkaline dry battery improved in pulse discharge characteristic under high load in a low temperature atmosphere. The alkaline dry battery of the present invention includes: a hollow cylindrical positive electrode 2 placed in a cy...	08/04/2011
20110189517	ALKALINE BATTERY An alkaline battery is provided in which the pulse discharge characteristic under high load is improved with a stable performance for drop impact or vibration. The alkaline battery includes a hollow cylindrical positive electrode 2 placed in a cylindrical battery...	08/04/2011
20110151334	MERCURY-FREE ALKALINE DRY BATTERY The present invention provides a mercury-free alkaline dry battery in which a utilization ratio of zinc as a negative electrode active material is increased to improve a discharge characteristic, the mercury-free alkaline dry battery including: a positive electrode; a n...	06/23/2011
20110143210	MERCURY-FREE ALKALINE DRY BATTERY The present invention provides a mercury-free alkaline dry battery which is improved in discharge characteristic at low cost. The mercury-free alkaline dry battery includes: a positive electrode; a negative electrode; and a separator, wherein a negative electrode active...	06/16/2011
20110123847	ALKALINE BATTERY An alkaline battery which is superior in high-rate discharge characteristics and in moderate- and low-rate discharge characteristics is provided. An alkaline battery according to the present invention includes a closed-end cylindrical batte...	05/26/2011
20100203382	ALKALINE BATTERY An alkaline battery includes: a positive electrode 3 including a positive electrode active material; a negative electrode 6 including a negative electrode active material; a separator 4; and an alkaline electrolyte. The negative electrode active mat...	08/12/2010
20100183916	ALKALINE PRIMARY BATTERY An alkaline primary battery provided with a positive electrode containing a positive electrode active material and graphite, a negative electrode containing a negative electrode active material, a separator, and an alkaline electrolyte, the positive electrode active mat...	07/22/2010
20100129716	MERCURY-FREE ALKALINE DRY BATTERY A mercury-free alkaline battery which can sufficiently suppress generation due to zinc corrosion and Fe contamination, and can exhibit a small amount of a voltage drop after pulse discharge in a low-temperature atmosphere, is provided. The ...	05/27/2010
20100068620	ALKALINE BATTERY An alkaline battery includes a positive electrode containing as a positive electrode active material manganese dioxide and nickel oxyhydroxide, and when the manganese dioxide is heated, a weight reduction percentage of the manganese dioxide at a temperature within a ran...	03/18/2010
20090269660	ALKALINE BATTERY An alkaline dry battery includes a positive electrode 2 containing manganese dioxide, a negative electrode 3 containing zinc, and an electrolyte containing a potassium hydroxide aqueous solution, which are encased in a cylindrical battery case 1 wit...	10/29/2009
20090263720	AA ALKALINE BATTERY AND AAA ALKALINE BATTERY An AA alkaline battery includes a positive electrode containing larger than or equal to 9.30 g of manganese dioxide. The cumulative pore volume of pores having diameters from 0.97 μm to 10.2 μm, both inclusive, is in the range from 0.0035 ml/g to 0.0070 ml/g, both inc...	10/22/2009
20090197169	ALKALINE BATTERY An alkaline battery comprising a positive electrode, a negative electrode, a separator disposed between the positive electrode and the negative electrode; and an alkaline electrolyte, wherein the positive electrode includes manganese dioxide and graphite; the cumulative...	08/06/2009
20090181293	AA ALKALINE BATTERY An AA alkaline battery includes: a positive electrode; a negative electrode; a separator; and an alkaline electrolyte. The negative electrode contains 4.0 g or more of zinc as an active material and an indium compound in the range from 50 ppm to 1000 ppm, both inclusive...	07/16/2009
20090181307	AA ALKALINE BATTERY An AA alkaline battery according to the present invention includes: a positive electrode; a negative electrode; a separator; an alkaline electrolyte; and a negative electrode current collector. The negative electrode contains zinc, indium, and bismuth. The weight of zin...	07/16/2009
20090098454	SPHERICAL ELECTROLYTIC MANGANESE DIOXIDE AND ALKALINE PRIMARY BATTERY USING THE SAME An object is to provide an electrolytic manganese dioxide with optimized properties, and a high capacity alkaline primary battery with excellent high-rate discharge characteristics. Disclosed is a spherical electrolytic manganese dioxide having an average circularity of...	04/16/2009
20090053604	ALKALINE PRIMARY BATTERY An alkaline primary battery of the present invention includes a positive electrode including a positive electrode active material, a negative electrode including a negative electrode active material, a separator interposed between the positive electrode and the negative...	02/26/2009
20080193842	Alkaline Battery This invention relates to an alkaline battery including spherical nickel oxyhydroxide that includes crystals having a β-type structure. In a powder X-ray diffraction profile of the spherical nickel oxyhydroxide obtained using a Cu target, a half-width W of a diffractio...	08/14/2008
20080170962	MANGANESE DRY BATTERY AND MANGANESE DRY BATTERY MANUFACTURING METHOD An added element other than zinc is yielded at the grain boundaries of zinc forming a negative electrode zinc can. The added element includes at least one element selected from the group of Pb, Bi, Ca, Mg, Si, Al, and In. The zinc can is formed in such a manner that: me...	07/17/2008
20080070114	Alkaline Battery An alkaline battery including a positive electrode, a negative electrode and an alkaline electrolyte, wherein the positive electrode includes a positive electrode material mixture including nickel oxyhydroxide, electrolytic manganese dioxide and expanded graphite, the e...	03/20/2008
20070231692	Zinc-alkaline battery A zinc-alkaline battery includes a negative electrode, a positive electrode, a separator, and an electrolyte. The negative electrode contains a zinc alloy powder including 20 to 50 wt % of a micropowder with a particle size of 75 μm or less. In a constant resistance di...	10/04/2007
20070218358	Alkaline Battery An alkaline battery includes a positive electrode mixture, a negative electrode, and a separator interposed between the positive electrode mixture and the negative electrode. The positive electrode mixture contains a nickel oxyhydroxide, manganese dioxide and a conducti...	09/20/2007
20070212612	Alkaline Battery and Manufacturing Method of Positive Electrode Material Therefor An alkaline battery of the present invention includes a positive electrode material mixture including nickel oxyhydroxide. The nickel oxyhydroxide includes a secondary particle with a crystal structure mainly composed of γ-type at at least a portion of the surface laye...	09/13/2007
20070166614	Alkaline battery Disclosed is an alkaline battery including a positive electrode, a negative electrode and an alkaline electrolyte, (1) the positive electrode having a positive electrode material mixture containing electrolytic manganese doxide and nickel oxyhydroxide, (2) the nickel ox...	07/19/2007
20070077492	Nickel oxyhydroxide, manufacturing method therefor, and alkaline primary battery A nickel oxyhydroxide having a β-type structure is used to greatly improve low-temperature discharge performance and pulse discharge performance under high-load of an alkaline primary battery including a positive electrode containing nickel oxyhydroxide. In the nickel ...	04/05/2007

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Inventor: Fumio Kato