1
Yamazaki Kenichi, Ota Hiroyuki, Okano Koji, Toyomaki Kichiko, Obana Hiroyasu: On-vehicle voice information service device and voice information service system utilizing the same. Arex, February 27, 2001: JP2001-056233 (79 worldwide citation)

PROBLEM TO BE SOLVED: To provide an on-vehicle voice information service device capable of improving the quality of voice information service, reducing memory capacity require for performing the sound information service greatly, and eliminating time and labor required for storing voice information ...


2
Robert P Detrick, Ricky G Ledbetter: Household refrigerator-freezer cooling apparatus with vacuum as the preserving means. Arex, Eugene M Eckelman, December 21, 1993: US05271240 (42 worldwide citation)

An inner cooled compartment for receiving articles to be preserved has a vacuum environment in it for the prolonged preservation of articles. Door closures for the compartment is associated with vacuum release valves to allow the closures to open. The inner compartment to be subject to vacuum may co ...


3
Takefumi Hatanaka, Naruto Kuwahara: Method and apparatus for controlling the supply of power to an induction motor to maintain high efficiency under varying load conditions. Arex Electronics Corporation, Jordan and Hamburg, August 31, 1993: US05241256 (22 worldwide citation)

An energy-saving induction motor control apparatus maintains the operation of a motor at an optimum power factor irrespective of changes in motor load, by generating a power factor compensation value which is varied in accordance with the motor supply voltage. The motor supply voltage is controlled ...


4
Naruto Kuwahara: AC-to-AC power inverter apparatus functioning without smoothing capacitor, and control method thereof. Arex Electronics Corporation, Jordan and Hamburg, January 2, 1996: US05481451 (21 worldwide citation)

An AC-to-AC power inverter apparatus and a control method thereof are described in which the effects of AC ripple contained in an intermediate DC voltage produced in the apparatus are eliminated from the output AC voltage, thereby enabling the inverter apparatus to function without a large-capacitan ...


5
Naruto Kuwahara, Takefumi Hatanaka: Induction motor control apparatus. Arex Electronics, Frank J Jordan, April 20, 1993: US05204606 (13 worldwide citation)

An induction motor control apparatus for controlling the power factor at which an induction motor operates includes sensors and circuits for periodically detecting the effective (RMS) values of current and voltage supplied to the motor winding during a fixed number of cycles, e.g. one cycle, and mul ...


6
Takefumi Hatanaka: Saturable reactor apparatus for automatic control of power factor of inductive load. Arex Electronics Corporation, Jordan and Hamburg, April 3, 1990: US04914375 (13 worldwide citation)

An automatic power factor control apparatus for an inductive load such as an AC induction motor includes a circuit for producing a signal varying in accordance with the load power factor, which is applied to control the duty cycle with which switching elements are alternately set in the conducting a ...


7
Takefumi Hatanaka, Naruto Kuwahara: High-efficiency power supply control apparatus for variable-speed induction motor. Arex Electronics Corporation, Jordan and Hamburg, March 19, 1996: US05500581 (12 worldwide citation)

An apparatus for controlling the supply of power to a variable-speed induction motor converts an AC power source voltage to a motor supply voltage at a designated frequency, with the amplitude of the motor supply voltage being controlled in accordance with the motor load such that the degree of slip ...


8
Takefumi Hatanaka, Naruto Kuwahara: Induction motor control apparatus providing high efficiency with rapid response to changes in load torque. Arex Electronics Corporation, Jordan and Hamburg, August 15, 1995: US05442271 (11 worldwide citation)

An induction motor control apparatus, for converting an AC power supply voltage to a motor supply voltage for an induction motor, includes a feedback control loop for controlling the level of the motor supply voltage such that the induction motor operates close to a predetermined value of power fact ...


9
Arvo O Wahlberg: Process for the production of a fertilizer from bark. Arex Oy, January 20, 1981: US04246018 (6 worldwide citation)

The production of a fertilizer from tree bark is improved by a process of the type wherein crushed waste bark is treated together with waste molasses under elevated pressure and at a temperature of 75.degree. to 140.degree. C. for a time of 10 min. to 2 hrs. said time being dependent on the treatmen ...


10
Hatanaka Takefumi C O Arex Ele, Kuwahara Naruto C O Arex Elect: High-efficiency power supply control apparatus for variable-speed induction motor.. Arex Denshi Kogyo, September 14, 1994: EP0615336-A1 (4 worldwide citation)

An apparatus for controlling the supply of power to a variable-speed induction motor (12) converts an AC power source (10) voltage to a motor supply voltage at a designated frequency, with the amplitude of the motor supply voltage being controlled in accordance with the motor load such that the degr ...