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Hirofumi Abe Patents
Inventor:
Abe; Hirofumi
Address:
Gamagori, JP
No. of patents:
20
Patents:




Patent Number Title Of Patent Date Issued
7268596 Semiconductor device for driving a load September 11, 2007
A semiconductor device for driving a load includes a first semiconductor switching element interposed between a power supply terminal and a load, a second semiconductor switching element interposed between the load and a ground terminal, a high-side driver, a low-side driver, and a volta
7210865 Automatic developing apparatus and process for forming image using the same May 1, 2007
A photographic light-sensitive material having a support having a thickness of from 160 to 225 .mu.m is processed with an automatic developing apparatus, in which at least one of rollers of a developing part, a fixing part and a rinsing rack part of the automatic developing apparatus
7183802 Semiconductor output circuit February 27, 2007
The semiconductor output circuit of the invention has an insulated gate transistor including a first terminal, a second terminal and a gate terminal, a conductive state of the insulated gate transistor being controlled by a drive circuit connected to the gate terminal, a capacitive e
7034616 Operational amplification circuit, overheat detecting circuit and comparison circuit April 25, 2006
In a circuit according to the present invention, a multi-collector transistor is provided which includes first to third collectors so that, when a current does not flow from the second collector, a current from the first collector increases but a current from the third collector does
6982496 Semiconductor device having bump electrode and support area January 3, 2006
A semiconductor device includes a substrate, a plurality of bump electrodes disposed on the substrate, and a support area for supporting the substrate in case of carrying the substrate. The support area is disposed on a surface of the substrate, on which the bump electrode is dispose
6972973 Voltage booster having noise reducing structure December 6, 2005
In a voltage booster, a voltage detection circuit detects a battery voltage as an input voltage. If the input voltage is lower than a threshold level, an oscillation circuit outputs a gate signal having a relatively high frequency to increase the driving performance of a driving circuit.
6903460 Semiconductor equipment June 7, 2005
Semiconductor equipment includes a semiconductor substrate, a plurality of transistors having a source cell and a drain cell disposed alternately on the substrate, and upper and lower layer wirings for electrically connecting the source cells and the drain cells. The lower layer wiring
6876180 Power supply circuit having a start up circuit April 5, 2005
A reference voltage circuit and an operational amplifier operate when an output voltage is produced from an output terminal of a power supply circuit. When the output voltage is low in the rising phase of a power source voltage, a transistor Q17 in a startup circuit turns on and a tr
6794921 Clamp circuit September 21, 2004
In the clamp circuit, the first transistor shifts a target clamp voltage by a gate-source voltage to output the target clamp voltage. The buffer circuit inputs the shifted voltage and output a reference voltage on the inputted shifted voltage. The gate of the second transistor is connect
6789675 Light-sensitive material package September 14, 2004
A light-sensitive material package includes a light-shielding envelope containing a stack of sheet-form light-sensitive material, the light-shielding envelope having heat-seal parts on four edges. The light-sensitive material package further includes a cushioning member, which holds
6614282 Clamp circuit for a semiconductor integrated circuit device September 2, 2003
A comparator, having an offset of 0.1V, compares a terminal voltage Vin1 with a clamp voltage V.sub.CL (5.1V). When an overvoltage input exceeding the V.sub.CL is entered to an input terminal, the comparator turns on a transistor Q11. The current flows across an externally provided resis
6375008 Light shielding packaging system for photosensitive web roll April 23, 2002
A light-shielding packaging for a roll of continuous photosensitive web wound on a core having on its each end a light-shielding flange disc has at its leading end a heat-shrinkable light-shielding leader sheet having a thickness of 30 to 200 .mu.m which shows a heat shrinkage ratio at
6179123 Light-Shielding packaging system for photosensitive web roll January 30, 2001
A light-shielding packaging for a roll of continuous photosensitive web wound on a core having on its both ends a light-shielding flange disc has at its leading end a heat-shrinkable light-shielding leader sheet having a thickness of 30 to 200 .mu.m which shows a heat shrinkage ratio of
5855334 Rectangular parallelepipedic case and method of producing the same January 5, 1999
A rectangular parallelepipedic case includes four or more walls formed by bending a single plate. To produce the case, a double plate is used. The double plate is formed from plastic by extrusion, and first and second plate elements confronted with each other. Partition portions intercon
5846211 Occlusal force-meter December 8, 1998
An occlusal force-meter 1 includes an occlusal force detecting portion 2 for detecting an occlusal force and a main body 3 for processing the detected signal obtained by the occlusal force detecting portion 2 to display the occlusal force measured value on a display 4. The occlusal f
5806786 Web roll container September 15, 1998
A container, for example a photographic paper magazine, includes a core about which photographic paper is wound in a form of a roll. A container body contains the roll with the core in a rotatable manner. An outlet slit is formed in the container body and adapted to drawing out the p
5716864 Method of manufacturing a non-volatile semiconductor memory device with peripheral transistor February 10, 1998
A first insulating film for the formation of a gate insulating film is formed on a semiconductor substrate having a memory cell forming region and a peripheral transistor forming region. A first conductive film for the formation of a floating gate is formed on the first insulating film,
5625218 Semiconductor device equipped with a heat-fusible thin film resistor and production method there April 29, 1997
A fuse fusible type semiconductor device capable of reducing energy required for fusing and a production method of the semiconductor device. In a semiconductor device equipped with a heat-fusible thin film resistor, the thin film resistor formed on a substrate 1 through an insulating fil
5623442 Memory cells and memory devices with a storage capacitor of parasitic capacitance and informatio April 22, 1997
An object of the present invention is to provide a DRAM of a special form, a non-volatile memory cell incorporating the DRAM, and a semiconductor device which incorporates a DRAM structure and a non-volatile memory cell and where data can be written and erased with high accuracy. The
5444650 Semiconductor programmable read only memory device August 22, 1995
A programmable semiconductor memory cell is provided; which secures a sufficient output signal voltage margin and which also has reduced current dissipation and improved durability. To program the programmable semiconductor memory cell of this invention, a high write potential is app


 
 
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