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Fdk Corporation
Fdk Corporation Tokyo Japan

Fdk Corporation patents


Recent patent applications related to Fdk Corporation. Fdk Corporation is listed as an Agent/Assignee. Note: Fdk Corporation may have other listings under different names/spellings. We're not affiliated with Fdk Corporation, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "F" | Fdk Corporation-related inventors


Cylindrical alkaline secondry battery

A nickel-hydrogen secondary battery includes: an outer can; a sealing body including a positive electrode terminal, the sealing body sealing an opening of the outer can; an electrode group formed by placing a positive electrode and a negative electrode on top of each other with a separator therebetween and spirally... Fdk Corporation

Power storage system

A power storage system includes a plurality of power storage sections parallelly disposed, a plurality of charge/discharge circuits that individually charge/discharge the plurality of power storage sections, and a system control section that controls the plurality of charge/discharge circuits, and the system control section controls the charge/discharge circuits such that... Fdk Corporation

Series-coupling component for battery pack and battery pack

A series-coupling component for a battery pack includes a circular plate-shaped bulkhead portion, a cylinder portion taking the bulkhead portion as a top surface and opening downward, an upper end side of the unit battery being inserted into the cylinder portion, and a wall surface portion erected upwardly along a... Fdk Corporation

Isolated switching power supply

An isolated switching power supply of the present invention includes: a first circuit board provided with a pattern of a primary winding constituting an isolation transformer; a second circuit board provided with patterns of secondary windings constituting the isolation transformer, wherein a secondary winding pattern portion is arranged to face... Fdk Corporation

Load current control apparatus

A load current control apparatus according to the present invention includes a current detecting circuit adapted to detect an electric current on a power supply line used to supply electric power from a power supply unit to a load device, a field effect transistor adapted to turn on and off... Fdk Corporation

Power supply device with excess current protection

A first excess current protector directs a controller to limit an output current of a regulator when a current value detected by a current detector exceeds a first preset current value set to be higher than a rated current value of a power supply device. A second excess current protector... Fdk Corporation

Steel plate for forming battery can and alkaline battery

As a battery can forming steel plate that configures an electrode can (a positive electrode can) of an alkaline battery and is to be formed into a battery can by presswork, the steel plate as a base material includes an iron and nickel diffusion layer or an iron and nickel-cobalt... Fdk Corporation

Laminate-type power storage element and manufacturing the same

the tab film covers an end surface of the laminated film while deviating outward from the exterior body from the predetermined margin, and covers both front and back surfaces of each of a base end of the positive electrode terminal portion and a base end of the negative electrode terminal... Fdk Corporation

Voltage balance correction circuit

A voltage balance correction circuit includes multiple voltage correction circuits that correspond one-to-one to multiple electricity storage cells connected in series, and a control circuit that is configured to control the multiple voltage correction circuits based on voltages of the multiple electricity storage cells. The multiple voltage correction circuits include... Fdk Corporation

Coil device

A coil device includes two core members, one of which is E-shaped. The E-shaped core member has left and right side faces, and a center leg that extends in a vertical direction. A conducting wire is wound around a core, the core being composed of the two core members arranged... Fdk Corporation

Positive electrode active material for alkaline secondary battery and alkaline secondary battery including the positive electrode active material

A nickel-hydrogen secondary battery includes an electrode group comprising a separator, a positive electrode, and a negative electrode, and the positive electrode contains a positive electrode active material including a base particle comprising a nickel hydroxide particle containing Mn in solid solution and a conductive layer comprising a Co compound... Fdk Corporation

Positive electrode active material for alkaline secondary battery and alkaline secondary battery including the positive electrode active material

A nickel-hydrogen secondary battery includes an electrode group including a separator, a positive electrode, and a negative electrode, and the positive electrode includes a positive electrode active material particle including a base particle and a surface layer covering the surface of the base particle, and the base particle contains nickel... Fdk Corporation

Lamiinate-type power storage element and manufacturing method thereof

A laminate-type power storage element, including an exterior body that is formed in a flat bag shape, and an electrode body that has a sheet-shaped positive electrode and a sheet-shaped negative electrode layered via a separator and that is sealed inside the exterior body together with an electrolytic solution, wherein... Fdk Corporation

Laminate-type power storage element and card electronic device

A laminate-type power storage element is configured of an exterior body that is formed in a flat bag shape by welding a first laminated film and a second laminated film by thermocompression bonding, and an electrode body that is sealed inside the exterior body, the electrode body having a sheet-shaped... Fdk Corporation

Laminate-type power storage element

A laminate-type power storage element, including an exterior body that is formed in a flat bag shape, an electrode body that has a sheet-shaped positive electrode and a sheet-shaped negative electrode and that is sealed inside the exterior body, a positive electrode terminal plate that is mounted to the positive... Fdk Corporation

Laminate-type power storage element and implementing the same

A laminate-type power storage element has a flat body and an interior layered flat plate-shaped electrode body. A positive electrode terminal plate is mounted to a positive electrode of the electrode body and is guided outside from a predetermined margin of the body. A negative electrode terminal plate is mounted... Fdk Corporation

Uninterruptible power source device

An uninterruptible power source device 10 in the present invention includes: an input-output terminal 11 that is connected in parallel with a power source line 21 through which electric power is supplied from an external power source 20 to a loading device 30; a battery unit 12 whose rated voltage... Fdk Corporation

Electric field intensity calculation program, electric field intensity calculation apparatus and electric field intensity calculation method

An electric field intensity calculation apparatus specifies, by analyzing a measurement result for a near magnetic field intensity distribution on a component side of a printed circuit, a maximum intensity of an evaluation target frequency component of a near magnetic field of the printed circuit and an area of a... Fdk Corporation

Uninterruptible power supply unit

An uninterruptible power supply unit includes: an input/output terminal connected in parallel with a power supply line which supplies power from an external power supply to a load device; a battery unit whose rated voltage is a voltage equal to a voltage of the external power supply; a DC/DC converter... Fdk Corporation

Positive electrode active material for nickel-hydrogen secondary battery, nickel-hydrogen secondary battery including the positive electrode active material, and evaluating positive electrode active material

A nickel-hydrogen secondary battery includes an electrode group including a separator, a positive electrode and a negative electrode, the positive electrode includes a positive electrode active material, the positive electrode active material includes a composite particle including a compound of Co and a compound of Ni, and the ratio R... Fdk Corporation

Nickel hydrodgen secondary battery

A nickel hydrogen secondary battery includes an outer can and an electrode group accommodated in the outer can in a sealed state together with an alkaline electrolyte. The electrode group includes a positive electrode and a negative electrode having a separator sandwiched therebetween, the alkaline electrolyte includes NaOH as the... Fdk Corporation

Nickel hydrogen secondary battery

A nickel hydrogen secondary battery accommodates an electrode group including a positive electrode and a negative electrode which are stacked one on top of another through a separator, together with an alkaline electrolyte. The battery contains Li, with a total amount of Li in the battery 2 of 15 to... Fdk Corporation

Uninterruptible power supply unit

An uninterruptible power supply unit is configured such that, during charging of a first battery pack, and until, after the first battery pack is charged to a fully charged state, the voltage of the first battery pack is lowered below an upper limit voltage of a load device, discharging of... Fdk Corporation

Steel plate for forming battery can and alkaline battery

As a battery can forming steel plate that configures an electrode can (a positive electrode can) of an alkaline battery and is to be formed into a battery can by presswork, the steel plate as a base material includes an iron and nickel diffusion layer or an iron and nickel-cobalt... Fdk Corporation








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