CK

Charles J. Kramer

HO Holotek: 18 patents #1 of 5Top 20%
Xerox: 12 patents #1,122 of 8,622Top 15%
EC Ecrm: 1 patents #9 of 18Top 50%
Overall (All Time): #114,373 of 4,157,543Top 3%
32
Patents All Time

Issued Patents All Time

Showing 25 most recent of 32 patents

Patent #TitleCo-InventorsDate
6765724 Diffraction grating-based wavelength selection unit having improved polarization dependent performance 2004-07-20
6630286 Process for preparing a printing plate 2003-10-07
6583934 Diffraction grating-based wavelength selection unit 2003-06-24
6560020 Surface-relief diffraction grating 2003-05-06
5986778 Hologon deflector system having dispersive optical elements for scan line bow correction, wavelength shift correction and scanning spot ellipticity correction 1999-11-16
5481384 Deflector system which produces dual, oppositely directed scanning beams simultaneously or successively Geoffrey Gretton 1996-01-02
5367399 Rotationally symmetric dual reflection optical beam scanner and system using same 1994-11-22
5223956 Optical beam scanners for imaging applications Mehdi N. Araghi 1993-06-29
5183350 Adjustable fixed mount for a hologon deflector 1993-02-02
5179463 Simultaneous multibeam scanning system 1993-01-12
5097351 Simultaneous multibeam scanning system 1992-03-17
5046794 Hologon scanner system Joachim Ritter, Mehdi N. Araghi 1991-09-10
4973112 Hologon deflection system having dispersive optical elements for scan line bow correction, wavelength shift correction and scanning spot ellipticity correction 1990-11-27
4852956 Hologan scanner system 1989-08-01
4848863 Multi-wavelength scanning system 1989-07-18
4826268 Hologon scanner system 1989-05-02
4786126 Hologon scanner system 1988-11-22
4779944 Integrated laser beam scanning system Joahim A. Ritter 1988-10-25
4639073 Electro-optic pulse imaging raster output scanner Kwok L. Yip, Mehdi N. Araghi, Joseph J. Daniele, Martin E. Banton, Joachim Ritter 1987-01-27
4610500 Hologon laser scanner apparatus 1986-09-09
4583816 Preobjective hologon scanner system 1986-04-22
4559562 Microdeflector facet tracker for scanning system 1985-12-17
4371897 Fluorescent activated, spatially quantitative light detector 1983-02-01
4353615 Dynamic mounting for holographic spinners Alan F. McCarroll, Tibor Fisli 1982-10-12
4345835 Multiple function reproduction apparatus David B. Kay, Christopher Snelling 1982-08-24