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Inventor: Yasuo Sasaki


Address: Tokyo, JP
No. of patents: 14
Last patent issue date: 11/11/2008

NumberTitleIssue Date
7449802Vibration wave linear motor
In a vibration wave linear motor, a coupled driving contacting parts are respectively provided on the top and the bottom of a vibrator unit, and 2 upper and lower guide shafts which contact concave parts of the coupled driving contacting parts are supported by erect...
11/11/2008
7362036Ultrasonic oscillator
An ultrasonic oscillator, comprises a group of internal electrodes divided into four approximately equal parts along two directions, i.e., a second direction which is perpendicular to a direction of layers as first direction, and a third direction which is also perp...
04/22/2008
7348693Vibration wave linear motor
In a vibration wave linear motor, a coupled driving contacting parts are respectively provided on the top and the bottom of a vibrator unit, and 2 upper and lower guide shafts which contact concave parts of the coupled driving contacting parts are supported by erect...
03/25/2008
7265480Vibration wave linear motor and a driving method thereof
A vibration wave linear motor is a vibration wave linear motor that can drive a plurality of driving targets with a simple and small configuration. In the linear motor, two guide members sandwich two vibrators, which are individually and electrically connected to a ...
09/04/2007
7259497Vibration wave motor
The vibration wave motor of the present invention comprises a body to be driven, and a plurality of vibrators each of which is provided with a drive contact part contacting the outer surface of the body to be driven, is connected to a base and is disposed around the...
08/21/2007
7230366Vibration wave linear motor
In a vibration wave linear motor, a vibrator stably operates with a simple and small configuration. Both ends of a movable guide member are held by shaft bearing long holes to freely oscillate, and an angle of an inclination φ occurs according to the move of the vi...
06/12/2007
7157832Vibration wave linear motor and lens implement using vibration wave linear motor
A vibration wave linear motor comprises a vibrator unit having two driving contacting parts which are respectively formed on top and bottom surfaces of the vibrator unit, two guide members guiding the running of the vibrator unit by sandwiching the vibrator unit in ...
01/02/2007
7129621Vibration wave linear motor and lens implement using vibration wave linear motor
The vibration wave linear motor of the present invention is structured comprising a driven component, a first vibrator having two or more driving contacting parts for driving the driven component in a certain predetermined direction, a second vibrator having one or ...
10/31/2006
7129620Vibration wave linear motor and lens implement using vibration wave linear motor
The present invention comprises a first vibrator comprising a piezoelectric unit and at least one driving contacting part which vibrates by applying a predetermined voltage thereto, a second vibrator which comprises a piezoelectric unit and a plurality of driving co...
10/31/2006
7084550Vibration wave linear motor
A vibrator of a vibration wave linear motor comprises two and one driving contacting parts respectively on top and bottom surfaces. A first guide member contacts the two driving contacting parts on the top surface, and both ends of a second guide member are pressed ...
08/01/2006
6804068Optical unit
Each Lens support member 22, 23, holds a lens capable of being driven for displacement in unison with the lens for desired optical adjustment. A guide bar 26 restricts the lens support member such that the displaceable direction thereof is along a pred...
10/12/2004
5121634Ultrasonic microscope
An ultrasonic microscope comprises an acoustic lens for emitting an ultrasonic beam, a movable shaft for supporting a sample, and a drive circuit for moving the movable shaft and thus the sample relative to the acoustic lens in a z-direction. Two signals ...
06/16/1992
4386974Hydrogen storage material
A hydrogen storage material comprising a composite material comprising a matrix of an alloy consisting essentially of iron and titanium in an iron/titanium atomic ratio of 1/1.04-1.40, and dispersed therein as separate phases, a metallic oxide composed of...
06/07/1983
4349527Iron-titanium-niobium alloy
An iron-titanium-niobium alloy of the following formula wherein x+y+z=1, 0.50ࣙxࣙ0.40, and 0.10ࣙyࣙ0.05; and its hydride. Contacting of the iron-titanium-niobium alloy with high-pressure hydrogen gas at room temperature results in its conversion to ...
09/14/1982
 
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