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

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Examiner: Patel, Rajnikant B.


Primary examiner statistics: 1421 patents; average approval time: 1420 days
Assistant examiner statistics: 540 patents; average approval time: 844 days

Patents as Primary Examiner (view all)

Patent No. Patent Title:
7463498 Apparatus for isolated switching power supply with coupled output...
7457136 Overcurrent protective device for switching element
7456620 Determining dead times in switched-mode DC-DC converters
7453303 Control circuit for lossless switching converter
7449943 Matching for time multiplexed resistors
7450408 Integrated converter having three-phase power factor correction
7450402 Soft switching high efficiency flyback converter
7447048 Switching power supply circuit
7443144 Voltage regulation system comprising operating condition detectio...
7443145 Switching regulator
7443704 AC high voltage detecting device
7439704 Inverter device and inverter module
7436157 Device for preparing a supply voltage
7433213 Thyristor power converter filter for excitation applications
7432694 Systems and methods for sensed current-mode feedback in switching...
7433211 System and method for input current shaping in a power converter
7433216 Voltage control and harmonic minimization of multi-level converte...
7429834 Multi-lamp driver with active current regulator
7430130 D-optimized switching converter
7428159 Digital PWM controller
7427853 Soft-start circuit for a DC-to-DC converter
7428157 Apparatus and method for virtually shielding a synchronous switch...
7426121 Output voltage detection circuit, isolated switching power supply...
7423520 Noise suppressing circuit
7420829 Hybrid control for discharge lamps
7417879 PFM and current controlled switching regulator
7417382 High-efficiency adaptive DC/AC converter
7417394 Arrangement for testing a power output stage
7414450 System and method for adaptive power supply to reduce power consu...
7414385 Chipset for isolated power supply with new programmable synchroni...
7411379 Apparatus and method for over-voltage and over-current protection...
7408794 Triple voltage dc-to-dc converter and method
7408790 Power supply system and apparatus
7405544 Voltage regulating circuit for uninterruptible power supply
7405526 Control apparatus and control method for voltage conversion appar...
7403403 Noise suppressor
7400122 Method and apparatus for reducing audio noise in a switching regu...
7400102 Method for controlling a polyphase voltage inverter
7400121 Soft-start system for voltage regulator and method of implementin...
7397223 Inverter-integrated electrical rotating machine

Patents as Assistant Examiner (view all)

Patent No. Patent Title:
7173905 PDSN fast tunnel lookup
7170899 Method of setting up a call with a predetermined set of required ...
7151766 Radio communication apparatus used in CDMA communication system a...
7149213 Wireless computer system with queue and scheduler
7149212 Apparatus, method and limited set of messages to transmit data be...
7139287 Telecommunications signalling using the internet protocol
7133375 Dynamic adaptive multifunctional base station for wireless networ...
7126940 Positioning a subscriber terminal in a packet-switched mobile tel...
7126934 Method for base station compressing and transmitting high speed d...
7104534 System and method for detecting collisions in a shared communicat...
7103010 Application independent telephone call initiation
7099346 Channel capacity optimization for packet services
7082124 Method and apparatus for computing primary and alternate paths in...
7075886 Method and apparatus for routing information in satellite communi...
7068612 Method for communicating information bundled in digital message p...
7061871 System and method for identifying errors in a video conference co...
7058079 Method for making a call in a multiple bit-rate transmission chan...
7042892 Voice-over IP communication without echo cancellation
7039058 Switched interconnection network with increased bandwidth and por...
7035293 Tone relay
7027451 Dynamic break loop for closed loop unmanaged stacking switches
6980539 Mobile communication system in multi-carrier CDMA scheme using sh...
6977905 Network with self regulating quality of service (QoS)
6967939 Radio communication system using wideband code division multiple ...
6958974 Method for providing a stable quality of data services within a p...
6959014 Method and apparatus for operating a communication bus
6956822 Restoration management system and method in a MPLS network
6944147 System and method for maximizing capacity in a telecommunications...
6909707 Method and apparatus for pseudo-random noise offset reuse in a mu...
6304066 Control circuit and method for maintaining high efficiency over b...
6304471 System and method for assessing a capacity of a backup battery an...
6301131 DC power supply circuit
6295214 Switching power supply unit
6292380 Self-regulated synchronous rectifier
6281666 Efficiency of a multiphase switching power supply during low powe...
6272023 High efficiency coupled inductor soft switching power converters
6243488 Method and apparatus for rendering a two dimensional image from t...
6232755 Switching voltage regulator that adjusts a timing in response to ...
6229721 High voltage power supply apparatus
6222746 Power supply device and method with a power factor correction cir...
 
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