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

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Examiner: Patel, Gautam R.


Primary examiner statistics: 248 patents; average approval time: 1424 days
Assistant examiner statistics: 218 patents; average approval time: 1091 days

Patents as Primary Examiner (view all)

Patent No. Patent Title:
7426165 Method and apparatus of recording information in reduced waiting ...
7423941 Multi-layered information recording medium, reproduction apparatu...
7423953 Optical module and optical recording and/or reproducing apparatus
7420894 Optical pickup device
7420898 Multi-layered information recording medium, reproduction apparatu...
7420891 Optical pickup device having heat radiation means and optical dis...
7420900 Multi-layered information recording medium, reproduction apparatu...
7420899 Multi-layered information recording medium, reproduction apparatu...
7420905 Information reproducing method judging a multivalued level of a p...
7414933 Reproducing apparatus having an improved PLL circuit and related ...
7414940 Calibration of a focus error signal gain in a focus servo system
7411881 Information recording apparatus, method and system, with increase...
7411876 Apparatus and method for controlling tracking in disc drive by mo...
7411891 Method of transferring data with respect to optical information s...
7408862 Writable recording medium identification information recording me...
7406009 Information recording/reproducing apparatus and information repro...
7406013 Optical disc drive
7406008 Recording medium and system for recording and reproducing the rec...
7403454 Optical apparatus and aberration correcting element for correctin...
7403459 Rotational speed control method for a disk player
7403463 Method and apparatus for filtering read signal to three or more c...
7403465 Method and apparatus for writing on an optical disk with beam spo...
7394733 Optical head with spherical aberration correction and method of u...
7388817 Method and apparatus for measuring head gap length of composite h...
7385900 Reproducing apparatus
7385888 Tracking system with dual differential signals with fraction of A...
7385893 Method for forming marks on write-once medium than applying secon...
7382706 Method for controlling a multi-pulse record waveform at high velo...
7379405 Method and optical disk drive for promptly protecting voice coil ...
7379404 Apparatus and method of compensating for tilt and/or defocus of a...
7376067 Allocation of real time files
7372787 Optical disc recording and reproducing apparatus permitting recor...
7359299 Recording medium and reading system
7359304 Method for recording wobble signals on an optical disc and optica...
7355932 Optical disk device for detecting thickness errors of the transpa...
7355953 Optical pickup for cutting off optical noise and optical recordin...
7349320 Apparatus for switching modes based on quantity of light received...
7349301 Write-once recording medium on which portion of the data is logic...
7345967 Optical pickup unit
7345972 Rotation control method and storage apparatus

Patents as Assistant Examiner (view all)

Patent No. Patent Title:
6947359 Optical disk device for data defect detection and use
6847598 Servo with digital filter to control gain in a frequency band whe...
6754146 Error signal detection apparatus for an optical recording/reprodu...
6738330 Optical information reproducing and recording apparatus utilizing...
6724706 Digital adaptive equalizer for different quality signals
6657931 Optical disc drive for performing read/write operations on optica...
6646962 Apparatus for detecting dropout, an error signal extracting unit,...
6639887 Optical apparatus with laser light receiver and focus error gener...
6636467 Method and apparatus for accurately calibrating the timing of a w...
6633521 Storage apparatus and servo recovery method of it
6631109 Optical recording method and apparatus, and optical storage mediu...
6625103 Aspherical objective lens for reading information from optical di...
6621771 Disk drive with an objective lens disposed in an optical head mov...
6621773 Glitch protection method in optical storage device
6618346 Optical pickup device having aperture restriction arrangement
6606293 Optical information recording medium and methods for recording, r...
6600708 Speed control of optical disc player based on duration of a contr...
6598154 Precoding branch instructions to reduce branch-penalty in pipelin...
6594205 Optical scanning device with parallel-controlled actuators
6594221 Optical pickup device
6587422 Disk recording device for overwriting data on a defined recording...
6587416 Disk recording apparatus for controlling interruption of data and...
6584058 Optical storage device and liquid crystal device having separate ...
6567353 Optical head with light receiving element surfaces divided into a...
6564310 Data transfer circuit and a recording apparatus and method using ...
6552987 Optical disk apparatus wherein recording clock signal is stopped ...
6552971 Disk drive apparatus for a recording medium having plural recordi...
6552977 Information reproducing apparatus enabling equalization processin...
6552982 Information recording medium, information recording and reproduct...
6549495 Record carrier, playback device and method of recording informati...
6545965 Recording medium having adjacent pit trains in opposite phase, re...
6545971 Information recording/reproducing system for recording/reproducin...
6542452 Method and system for computing digital sum variation of a stream...
6539471 Method and apparatus for pre-processing instructions for a proces...
6523107 Method and apparatus for providing instruction streams to a proce...
6513108 Programmable processing engine for efficiently processing transie...
6507546 2,2,1 Asymmetric partial response target in a sampled amplitude r...
6504804 Moving body position detecting method and disc drive apparatus
6501718 Disk, recording and reproduction apparatus, and recording and rep...
6496922 Method and apparatus for multiplatform stateless instruction set ...
 
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