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

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"That’s an amazing invention, but who would ever want to use one of them?"

President Rutherford B. Hayes ; Said in 1876, after Alexander Graham Bell demonstrated the telephone to him at the White House

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Examiner: Gray, David M.


Primary examiner statistics: 2374 patents; average approval time: 2372 days
Assistant examiner statistics: 434 patents; average approval time: 614 days

Patents as Primary Examiner (view all)

Patent No. Patent Title:
8175497 Image forming apparatus applying protective agent
8121501 Image forming apparatus with color detection of a reference toner...
RE42797 Developer replenishment apparatus
RE42572 Belt device
7817927 Image forming apparatus with developer collection
RE41778 Recording-material type determination apparatus and method and im...
RE41202 Belt-type fixing device
7630669 Multi-development system print engine
7593679 Heat recycling image forming apparatus
7551879 Charging device, process unit, image forming apparatus, and metho...
7529495 Image heating apparatus
7526225 Developing apparatus and assembly method of developing apparatus
7477862 Charged device, cleaning device, process cartridge, toner, and im...
7474862 Job display control method
7469117 Image forming apparatus, developing unit, and computer system
7469115 Method for positioning image bearing member unit and roller unit ...
7463836 System, method and print cartridge for signaling user replacement...
7463844 Process cartridge that spaces a developing roller and photosensit...
7463839 Image forming apparatus including a toner waste container near-en...
7463853 Particle supply apparatus, imaging apparatus, and monitoring syst...
7463845 Charging device having a first and second pressure with a cleanin...
7463842 Image forming apparatus with hot air dispersing structure
7463854 Developing apparatus, processing cartridge, and image forming app...
7463843 Developing device
7463846 Photosensitive drum
7463857 Fixing device with peeling member for an image forming apparatus
7460813 Image forming apparatus
7460814 Image device having an opening/closing cover
7460812 Gang safety latching mechanism and an image producing machine inc...
7460822 Printing roll having a controllable heat-absorbing internal surfa...
7460795 Image forming apparatus having a detachably mountable image formi...
7460804 Image forming device having an image detector
7460806 Job execution system and job execution method, and job execution ...
7460796 Method for measuring amount of toner, method for image formation,...
7460798 Image forming apparatus and method of detecting amount of residua...
7460799 Developer accommodating apparatus, developing apparatus and image...
7460803 Electric potential measuring device using oscillating device, ima...
7457566 Electrophotosensitive drum having non-circular twisted projection...
7457564 Container holding device, conveying device, image forming apparat...
7457575 Fusing device, image forming apparatus, and belt

Patents as Assistant Examiner (view all)

Patent No. Patent Title:
5231435 Aerial camera mounting apparatus
5220367 Camera using film with magnetic storage portion
5214463 Focal plane shutter
5212516 Automatic focus adjusting device
5210563 Camera capable of correcting blurring
5206677 Optical apparatus
5202718 Focus detection apparatus
5202720 Photographic camera with flash unit
5202712 Camera support
5200775 Waterproof camera
5200776 Lens barrel for camera
5198847 Power zooming device
5194886 Finder optical system
5192963 Camera suspension apparatus
5189458 Electric zooming camera
5189467 Method of combining graphics and photography to provide a program...
5189463 Camera aiming mechanism and method
5187514 Photographic film package
5187512 Film cassette containing pre-exposed film
5187515 Camera having automatic focus adjusting apparatus
5184163 Remote trigger method and apparatus for a camera shutter
5184170 Photographing light quantity controller for endoscope
5184160 Camera position adjustment device
5181055 Fundus camera
5181056 Image stabilizing apparatus
5179409 Film holder for storing processed photographic film
5179400 Light source assembly for use in light exposing device of color ...
5177515 Waterproof camera
5177520 Optical apparatus
5175576 Method and apparatus for attaching a film container to a camera s...
5173725 Camera mount for a boat
5173730 Thrust-type film cassette assembly
5173732 Camera and printing apparatus with variable trimming magnificatio...
5173727 Zoom viewfinder
5172147 Robotic photographic apparatus for handicapped persons
5170199 Lens-fitted photographic film unit
5170201 Close-up control method and apparatus for variable focal length c...
5166719 Eye-cup cover for a viewfinder
5166715 Camera with film take-up confirming mechanism
5164754 Camera shutter release cable adapter
 
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