LS

Louis F. Schaefer

SA Savin: 3 patents #11 of 61Top 20%
Samsung: 3 patents #30,683 of 75,807Top 45%
SI Sri International: 2 patents #450 of 1,272Top 40%
DT Drexler Technology: 1 patents #11 of 21Top 55%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #357,678 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5604838 Method and apparatus for recording and reading a multiplexed video signal 1997-02-18
5557418 Video tape format for providing special effects capabilities 1996-09-17
5343458 Method of storing digital video, audio and control information on an an optical storage medium Hugh E. Frohbach, Gerald A. Pierce, Norman A. Peppers 1994-08-30
5321684 Bidirectional sinusoidal scanning system Hugh F. Frohbach, Norman A. Peppers 1994-06-14
4791494 Multiple variable light source printer 1988-12-13
4730293 Dual beam optical data system Gerald A. Pierce, Norman A. Peppers, William F. Mullen 1988-03-08
4714310 Method and apparatus for dynamic focusing control of a radiant energy beam Norman A. Peppers 1987-12-22
RE31964 Automatic development electrode bias control system Kenneth W. Gardiner 1985-08-06
4480179 Apparatus for coding and/or decoding a document Termpoon Kovattana, Tommy Henningson 1984-10-30
4410968 Method and apparatus for recording on a disk supported deformable metallic film Hugh F. Frohbach, Robert E. Myers, Norman A. Peppers, Thomas L. Siwecki 1983-10-18
4310847 Color television film scanning system using uniform motion and line arrays Hugh F. Frohbach, Albert Macovski, Norman A. Peppers, Thomas L. Siwecki 1982-01-12
4261007 Color television encoding and decoding system Hugh F. Frohbach, Robert E. Myers, Norman A. Peppers, Thomas L. Siwecki, Albert Macovski 1981-04-07
RE30477 Electrophotographic liquid developing system Kenneth W. Gardiner 1981-01-13
4205338 Disc recording tracking system 1980-05-27