U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

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Examiner: Tamai, Karl


Primary examiner statistics: 616 patents; average approval time: 616 days
Assistant examiner statistics: 121 patents; average approval time: 793 days

Patents as Primary Examiner (view all)

Patent No. Patent Title:
8110961 Permanent-magnet-less machine having an enclosed air gap
8102096 Closely spaced electrodes with a uniform gap
8093780 Micro-oscillation element with adjustable resonance frequency of ...
8089185 Actuator having a rotation prevention link plate
8089184 Fan and motor having multiple insulators with an axially protrudi...
8084907 Spindle motor having holding magnet preventing oil discharge
RE42990 Alternator pulley
8049394 Micro oscillating comb tooth element with two interesecting oscil...
8044552 Actuator driving system in which a drive voltage and number of el...
8040000 Stator cooling structure for superconducting rotating machine
8040001 Assemblies for electrical machines
8035274 Apparatus and method for ferroelectric conversion of heat to elec...
8022587 Electrical machine with nonuniform pole teeth
8018117 Closely spaced electrodes with a uniform gap
8018118 Micro-oscillation element provided with weight portion, and array...
7982360 Apparatus and method for ferroelectric conversion of heat to elec...
7518272 Electric fan with bearing
7518280 Method and system for selectively operating an electric motor
7518271 Electric machine with stator cooling teeth
7518286 Vibration wave driven apparatus and vibrator
7501728 Electric machine with a winding support assembly and a measuring ...
7479717 Turbomachine having a device for automatically detecting ferromag...
7474028 Motor
7471022 Magnetic bearing
7463914 Superconducting acyclic homopolar electromechanical power convert...
7462969 Electromagnetic actuator with external coils
7459824 High torque repulsion motor
7459822 Rotating electric machine having switched or variable reluctance ...
7459821 Permanent magnet assisted synRM and method for imposing magnetic ...
7459807 Linear motor geometry for use with persistent current magnets
7456543 Closely spaced electrodes with a uniform gap
7456535 Thrust member attached to outer surface of motor body, and motor ...
7456533 Motor and electric apparatus equipped with a conductive pin for s...
7453183 Rotational actuator of motor based on carbon nanotubes
7449802 Vibration wave linear motor
7443067 Pump-motor assembly lead protector and assembly method
7439645 Stator arrangement of a rotary electric machine having lead wires...
7436091 Method and system of limiting arcing of rotating member
7432625 Armature of motor
7432622 Method for the wireless and contactless transport of energy and d...

Patents as Assistant Examiner (view all)

Patent No. Patent Title:
6242829 Submersible pumping system utilizing a motor protector having a m...
6229238 Transversal flux machine
6218748 Rotation detecting device for a brushless motor
6166472 Airgap armature coils and electric machines using same
6166465 Vibration generating mechanism using repulsive forces of permanen...
6157106 Magnetically-levitated rotor system for an RTP chamber
6150746 Synchronous electrical machine with U-shaped non-magnetic holder ...
6144131 Dynamoelectric machine rotor having interleaved laminations and m...
6140726 Radial gap cylindrical motor having an increased number of slots
6135640 Hybrid foil/magnetic bearing
6133669 Low-loss magnet core for high frequency claw-pole-type alternator
6133661 Rotating electric machine usable in radioactive environment
6130532 Indicator movement
6127766 Paired-tube thermoelectric couple
6124651 Method for driving stepping motor of multiphase hybrid type
6121707 Electric motor and electric motor stator and method for making sa...
6118196 Electrical generator attached to a bicycle wheel
6114789 Switched reluctance motor
6100621 Thermionic converter with differentially heated cesium-oxygen sou...
6093988 Rotating electric machine usable in radioactive environment
6087747 Microelectromechanical beam for allowing a plate to rotate in rel...
6087754 Cut-out brush for electric hand tool
6072252 Composite electric motor shaft
6066905 Dynamoelectric machine: quadrature winding retention apparatus
6060797 Solenoid operated remote resetting device with a protective activ...
6060802 AC generator for an automotive vehicle
6057627 Claw pole generator with ventilation fan supporting the magnetic ...
6054791 Direct current motor with imbalanced winding for closed-loop feed...
6043579 Permanently excited transverse flux machine
6037687 Double diaphragm compound shaft
6037688 Motor housing assembly having mating ramped surfaces with a diffu...
6037689 Housing with integral weather seals and noise dampeners for a rea...
6028385 Switched reluctance motor
6028386 Winding support for an electric motor
6028379 Arrangement for the vibration isolating mounting of an electric m...
6025668 Variable reluctance motor having bifurcated stator poles
6020671 In-line thermoelectric module
6020669 Compact high-power alternator for a vehicle having a rotor and a ...
6018209 Rotary electric machine having resilient fixing cap
6011334 In-line fluid-driven electric power generator
 
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