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

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...that power steering was invented by independent inventor Francis W. Davis? As chief engineer in the 1920s of the truck division of the Pierce Arrow Motor Car Company, he saw how hard it was to steer heavy vehicles. So that he would be able to keep the profits from his future invention, Davis left his job, rented a small engineering shop in Waltham, Mass., and developed a hydraulic power steering system that led to power steering.

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Examiner: Chow, Lixi


Primary examiner statistics: 65 patents; average approval time: N/A
Assistant examiner statistics: 174 patents; average approval time: 189 days

Patents as Primary Examiner (view all)

Patent No. Patent Title:
7990821 Optical disk playback device
7986598 Recording methods and devices for recording information on dual l...
7986604 Optical element and optical pickup device
7974168 Data storage medium reproducing device and method for reproducing...
7969837 Dubbing device for dubbing data
7961577 System and method for generating an output signal indicating a sp...
7961578 Method and apparatus for generating synchronous clock for write o...
7961570 Recording medium having data structure for managing reproduction ...
7961571 Recording a digital signal on an information carrier comprising a...
7948850 Optical storage medium, optical read/write apparatus, and optical...
7948852 Optical storage medium, optical read/write apparatus, and optical...
7948851 Optical storage medium, optical read/write apparatus, and optical...
7940627 Data recording device, data recording method, and computer progra...
7936651 Information-recording system and method, program-storing medium, ...
7936655 Read circuit of a disk drive system and method of signal processi...
7933185 Optical storage medium, optical read/write apparatus, and optical...
7929393 Optical information recording device and recording correction cal...
7929390 Optical recording method on multilayer optical recording medium a...
7924667 Recording and/or reproducing apparatus, medium, and method contro...
7916596 Optical disc device, control method thereof, and computer-readabl...
7911914 Optical storage medium, optical read/write apparatus, and optical...
7911892 Center error mechanical center adjustment
7907482 Method and system for correction of errors
7894318 Optical information recording medium, optical information recordi...
7894312 Automatic gain control circuit and signal reproducing device
7885158 Information recording apparatus, recording medium, and informatio...
7881174 Optical pickup apparatus
7876660 Optical pickup apparatus
7864647 Method and apparatus for optimization of data pulse detection sli...
7859983 Optical disk and optical disk recording and reproducing device
7859958 Information-recording apparatus, information-recording method, pr...
7852719 System and method for generating output signals indicating specif...
7852728 Digital signal reproducing apparatus
7848192 Data recorder and data recording method, and computer program
7843781 Disc drive with rotational driving and optical pickup
7839746 Optical disc apparatus and light power correcting method
7835234 Objective lens driving device and optical disc apparatus
7835237 Optical pickup device and information recording/reproducing appar...
7835254 Optical recording condition setting method, optical recording/rep...
7826321 Optical disk apparatus and control method thereof

Patents as Assistant Examiner (view all)

Patent No. Patent Title:
7852730 Optical disk medium, and data recording method and device
7668061 Method and apparatus for detecting specific signal pattern in a s...
7660221 Optical disk differentiating method and electronic device thereof
7660224 DC-controlled encoding for optical storage system
7656768 Phase masks for use in holographic data storage
7656758 Device for playing optical discs
7649820 Apparatus and method for detecting defect signals
7649825 Splitting element, light emitter, and optical pickup apparatus
7643395 Diffraction element and optical pick-up apparatus having the same
7639575 Recording condition setting method, program, recording medium, an...
7636281 Replaying digital media
7636293 Optical pickup device, recorder and/or reproducer
7633839 Self-sensing active-damping voice coil
7623432 Method of recording information on a multi layer record carrier, ...
7609597 Apparatus for recording or reproducing record medium and method f...
7609607 Diffraction element and optical pick-up apparatus having the same
7602682 Method and apparatus for determining an optimum power level
7599278 Recording medium comprising ferroelectric layer, nonvolatile memo...
7586828 Magnetic data storage system
7583569 Apparatus and related method for generating a tracking error sign...
7580331 Center error mechanical center adjustment
7567491 Slicer bias loop
7567498 Phonographic turntable with built-in audio to USB or firewire dev...
7564756 Reproduction device and method wherein detection of sub-data gene...
7551538 Optical recording apparatus and optical head
7545708 Objective lens holder for an objective lens driving device capabl...
7539100 Optical recording medium, method of managing defective area there...
7535809 Optical recording apparatus with drawing capability of visible im...
7532551 Method for managing defective area on write-once optical recordin...
7529172 Optical disk recording and playback device
7529168 Recording/reproduction method and recording/reproduction apparatu...
7525890 Method of and apparatus for recording data on optical recording m...
7525896 Optical head and optical disk apparatus
7522494 Control of laser emission power for recording information on opti...
7522482 Optical pickup device and apparatus for reading data from optical...
7522507 Optical scanning device
7512043 Apparatus and method for generating a tracking error signal in an...
7505385 Method of detecting optical disc error information
7496017 Method for formatting an optical disc
7486599 Recording method, recording apparatus, reproducing method and rep...
 
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