Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Shinichi Ishii Patents
Inventor:
Ishii; Shinichi
Address:
Tokyo, JP
No. of patents:
22
Patents:




Patent Number Title Of Patent Date Issued
7108134 Sample packing cover body for single article storage display for sales promotion purpose September 19, 2006
It is an object of the invention to make a single article storage display capable of fully showing performance or an appealing point to consumers. A portion of a sample packing cover member, in which a part of a sanitary napkin to be brought into contact with a wearer faces the portion w
6404162 Variable-speed controlling device for use with an induction motor June 11, 2002
The present invention provides a variable-speed controlling device for use with an induction motor, which includes a means for compensating for the discrepancy between a secondary magnetic flux instruction value and a secondary magnetic flux actually occurring in an induction motor, real
6321606 Apparatus for calculating torque generated by induction motor November 27, 2001
The apparatus calculates a torque that an induction motor generates while considering an iron loss even in a boosting state for exceeding the rated excitation. The calculation is based on a reference voltage value fed to an inverter for driving the induction motor, a q-axis current compo
6259611 PWM power converter July 10, 2001
A PWM power converter is provided which includes an adder that adds a high-frequency signal from a high-frequency generator to a voltage command signal, and a PWM generator of carrier comparison type or space vector type that generates a PWM signal based on the output of the adder, which
6075337 Speed control apparatus for induction motor June 13, 2000
A control apparatus for an induction motor includes a current detector for detecting the current of the induction motor; a first coordinate transformer for resolving the current into an exciting current component and a load current component; a slip value calculator for calculating a
6055171 AC/DC converting circuit April 25, 2000
An ac/dc converting circuit adapted to output a direct voltage that is higher than a full wave rectified voltage of an alternating input voltage is provided which includes an alternating current filter, and a condenser with a positive electrode and a negative electrode coupled to a dc ou
5978243 Ac/dc converting circuit November 2, 1999
An ac/dc converting circuit adapted to output a direct voltage that is higher than a full wave rectified voltage of an alternating input voltage is provided which includes an alternating current filter, and a condenser with a positive electrode and a negative electrode coupled to a dc ou
5977814 Driving circuit for IGBT November 2, 1999
A driving circuit for driving an IGBT includes a forward-bias power supply, a reverse-bias power supply, a forward-bias semiconductor switch, a reverse-bias semiconductor switch, a first resistor for limiting forward-bias current, and a second resistor for limiting reverse-bias curre
5959855 Voltage control with feedback utilizing analog and digital control signals September 28, 1999
An output voltage control apparatus for performing feedback control on an output voltage of an inverter which drives an AC machine. The output voltage control apparatus converts a command value for the output voltage of the inverter into a pulse density using a converter (PDM), and conve
5751567 AC-DC converter May 12, 1998
An AC-DC converter includes an adjusting unit 13 which operates to zero the difference between a DC output voltage instruction value and a DC output voltage detection value; and a modulator 16 which compares a carrier wave based on an output signal of the adjusting unit 13 with a modulat
5481172 Circuit for controlling power converting apparatus January 2, 1996
A control circuit for controlling a power converting apparatus, maintaining a stable operation of an induction motor. The control circuit includes an exciting current obtaining circuit which obtains the exciting current component from a detected signal of primary currents of the inductio
5475292 Apparatus for restarting inverter for driving synchronous motor after momentary interruption December 12, 1995
An apparatus for restarting an inverter after momentary interruption by detecting a power restoration after a momentary outage of a power supply that supplies power to the inverter for driving a synchronous motor. The apparatus includes a frequency detecting portion that detects the
5435454 Oil reservoir cap with concentric baffles July 25, 1995
A cap for a reservoir comprises cylindrical baffles with different diameters concentrically arranged in the cap, and breathers arranged to the cylindrical baffles.
5285145 Current-limit system for voltage-type inverter February 8, 1994
A current transformer (4) detects the output currents of a voltage-type inverter (INV), and comparators (6) check whether the outputs from the current transformer exceed a predetermined limit value. The detected output currents are fed to a vector analyzer (8) to determine the location
5094952 Asparaginyl endopeptidase, composition and use thereof March 10, 1992
An asparaginyl endopeptidase which is specific for only an amide bond on the C-terminal side of an L-asparagine. Also disclosed is a method for the hydrolysis of an amide bond on the C-terminal side of an L-asparagine characterized by the use of an asparaginyl endopeptidase as well as a
4911835 Seawater-dissolved metal collecting system March 27, 1990
A semisubmersible system for collecting a desired material from the sea water includes a submersible collection chamber which is defined by a pair of non-porous, buoyant side walls, a pair of non-porous end walls, a porous top wall and a porous bottom wall. A quantity of collecting agent
4805160 Data transmission method for ocean acoustic tomography February 14, 1989
The present invention enables tomography data in the sea to be collected and transmitted via an artificial satellite to a ground station. Accordingly, data on the Doppler phenomenon and shift of a sound wave is also obtainable based on the temperature and density of sea water and an
4708944 Protease adsorbent and process for purifying TPA utilizing the same November 24, 1987
A protease adsorbent wherein valyl-glycyl-argininal is bound to a water-insoluble carrier and a process for purifying TPA utilizing the same.
4690764 Aerator and aerobic biological treatment process using same September 1, 1987
This invention provides an aerator comprising a jet stream generator for ejecting a gas and a liquid in a mixed state from a nozzle, and a tubular flow straightener for mixing the bubble-containing stream ejected from the nozzle with ambient water and discharging the resulting mixture fr
4668401 Hollow-fiber filter module and filtration method using the same May 26, 1987
The present invention provides a hollow-fiber filter module comprising a straight tube, a bundle of hollow fibers having at least a part thereof disposed within the straight tube, a fastening member for bundling and fixing the open ends of the hollow fibers, and at least a branch tube
4525465 Water-insoluble biospecific absorbent containing argininal derivative June 25, 1985
A biospecific adsorbent comprising pyroglutamyl-lysyl-leucyl-argininal combined with a water-insoluble support is provided. This biospecific adsorbent is useful as an adsorbent for use in affinity chromatography and can be utilized for the purification of proteases such as urokinase.
4401594 L-Argininal derivatives and a method of manufacturing the same August 30, 1983
L-Argininal derivatives of the general formula: ##STR1## are disclosed. A method of manufacturing any such derivative is also disclosed. The L-argininal derivative of this invention has a strong inhibitory activity on proteases, such as serine and thiol proteases, and is expected


 
 
  Recently Added Patents
Drug test kit
Process of producing three-dimensionally shaped object
Concave thermoform base with food placement vacuum
G protein-coupled receptor, GAVE10
Burner with center air jet
Chair back
Adiabatic frequency modulated transmitter with negative chirp
  Randomly Featured Patents
Overrunning clutch system
Receiver for sound multiplex broadcast
Built-up tube and tubesheet assembly for multi-conduit heat exchangers
Phenylindole derivatives as 5-ht2a receptor ligands
DNA encoding human metallothionein
Mold for use in rail repair
Thyristor emitter short configuration
Straight link studded tire chain
Assembly for the transport of fuel elements
Vehicle luggage carrier siderail