| 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 |