Ferrotec Corporation

Japon

 
Quantité totale PI 20
Quantité totale incluant filiales 60 (+ 40 pour les filiales)
Rang # Quantité totale PI 74 038
Note d'activité PI 0/5.0    0
Rang # Activité PI 1 661 163
Activité incl filiales 1,3/5.0    6

Brevets

Marques

6 0
0 0
14 0
0
 
Dernier brevet 2013 - Current sensor, sensor element, ...
Premier brevet 1994 - Ferrofluid having improved oxida...

Filiales

2 subsidiaries with IP (35 patents, 5 trademarks)

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Derniers inventions, produits et services

2013 Invention Current sensor, sensor element, and control device. A current sensor according to the present inv...
2011 Invention Method for producing plasma flow, method for plasma processing, apparatus for producing plasma, a...
2010 Invention Magnetic member and electronic parts. Provided is a magnetic member comprising a plurality of sup...
Invention Divided annular rib type plasma processing apparatus. A plasma stream-derived deposited matter fo...
Invention Divided annular rib-shaped plasma processing device. A plasma flow-derived sediment deposited on ...
Invention Multiply divided anode wall type plasma generating apparatus and plasma processing apparatus. An...
Invention Striker-type plasma generation device and plasma processing device. Provided is a striker-type pl...
Invention Multi-split anode wall plasma generating device and plasma treating device. Disclosed is a multi-...
Invention Insulator interposed type plasma processing apparatus. Electrically charged droplets and neutral ...
Invention Insulator-interposed plasma processing device. Electrically charged droplets and neutral droplets...
2009 Invention Plasma generating apparatus and plasma processing apparatus. A plasma processing apparatus using ...
Invention Plasma generating apparatus and plasma processing apparatus. Provided is a plasma generating appa...
Invention Target exchange type plasma generating apparatus. The objective of the present invention is to p...
Invention Target exchange type plasma generator. A target exchange type plasma generator in which the posit...
2008 Invention Plasma generating apparatus rendered electrically neutral on the periphery of plasma gun. There ...
Invention Plasma generation equipment rendered electrically neutral on the periphery of plasma gun. Plasma ...
2007 Invention Radially enlarged type plasma generating apparatus. Intended is to provide a plasma generating a...
Invention Radially enlarged type plasma generating apparatus. Intended is to provide a plasma generating ap...
2006 Invention Droplet removing device and method in plasma generator. A device for removing droplets in a plasm...
Invention Droplet removing device and method in plasma generator. A device for removing droplet in a plasma...
Invention Droplet removal device and droplet removal method in plasma generation device. There are provided...
2005 Invention Speaker filled with magnetic fluid. ⏧OBJECT] To prevent a capillary force from acting on a b...
Invention Seal structure for dynamic pressure bearing, and spindle motor using the same. ⏧PROBLEMS] A ...
Invention Plasma generator. c) is used as another plasma emission point, thus enabling intermittent operati...
Invention Plasma generator. A plasma generator capable of performing intermittent operation of repeating a ...
Invention Plasma producing apparatus. A plasma traveling from an arc discharge section is thoroughly separa...
2004 Invention Audio speaker and method for assembling an audio speaker. An audio speaker includes a driver unit...
Invention Dynamic pressure bearing and rotation machine employing same. A magnetic fluid is held by a magne...
Invention Dynamic pressure bearing and rotation machine employing same. A dynamic pressure bearing in which...
Invention Micro-speaker and method for assembling a micro-speaker. The micro-speaker includes a driver unit...
Invention Optical pick-up actuator and method for assembling an optical pick-up actuator. The method of ass...
2003 Invention Composition and method of making an element-modified ferrofluid. An element-modified ferrofluid c...
2002 Invention Audio speaker and method for assembling an audio speaker. The method of assembling a speaker incl...
Invention Micro-speaker and method for assembling a micro-speaker. The method of assembling a micro-speaker...
2001 Invention Ferrofluid pivot bearing. A ferrofluid pivot bearing has a shaft, at least a first magnetic eleme...
1999 Invention Ferrofluid sealing device. A ferrofluid sealing device retaining a ferrofluid between a shaft and...
Invention Ferrofluid composition and process. The invention relates to a composition and process for produc...
Invention Composition and method of making a ferrofluid having an improved chemical stability. The inventio...
Invention Sealing apparatus. A sealing apparatus which is disposed between the media side and the bearing s...
1997 Invention Process for producing a magnetic fluid and composition therefor. The invention relates to a compo...
1996 Invention Ferrofluid having improved oxidation resistance. The present invention relates to a ferrofluid co...
Invention Magnetic colloids using acid terminated poly (12-hydroxystearic acid) dispersants. A novel magnet...
Invention Magnetic fluid sealing device. A magnetic fluid sealing device for preventing magnetic fluid from...
1995 Invention Ferrofluid having oxidation resistance. The present invention relates to a ferrofluid composition...