Inventor · Bayreuth, DE

Hermann Stockburger

26Patents
11h-index
5Co-inventors
64Inventor score

Filing activity: Aug 20, 1980 → Jan 25, 1995

Most-cited inventions

PatentTitleAreaCited byStatus
US4620727A Credit card Physics 61 Expired
US5234624A Method of manufacture of a data processing card provided with signs and data processing card provided with signs obtained by laser radiation Performing Operations; Transporting 43 Expired
US4450348A Method and device for characterizing and identifying falsification proof data boards Physics 41 Expired
US4518852A Method for operating automatic devices such as cash registers or the like and a device for carrying out the method Physics 28 Expired
US4582986A Method and apparatus for the characteristic marking and/or identification of a data-carrier Physics 28 Expired
US4469937A Method of securing data Physics 19 Expired
US4816657A Method and device for characterizing and identifying falsification-proof data supports Physics 18 Expired
US4621188A Data card and data strip measuring means Emerging Cross-Sectional Technologies 17 Expired
US4472050A Copying apparatus for producing combined copies Physics 17 Expired
US4650979A Method for the detection of authenticity in a data carrier and apparatus for applying said method Physics 17 Expired
US4629873A Method and means for producing and analyzing secret identifying code marks in machine-scanned data carriers Emerging Cross-Sectional Technologies 11 Expired
US4542465A Method of producing a controlled number of authorization members Physics 11 Expired
US4588286A Copying apparatus with use registering means Physics 11 Expired
US5551295A Method and apparatus using ultrasonic and light waves for identification of test specimens Physics 8 Expired
US4533237A Method and device for registering the use of copying machines Physics 8 Expired
US4649265A Method for protection against the re-transfer of uniquely recorded information on a data carrier and apparatus for recording and/or reading re-transfer-protected information Physics 7 Expired
US4432567A Authorization card Emerging Cross-Sectional Technologies 7 Expired
US4505471A Device for feeding data supports in a processing arrangement Physics 6 Expired
US4493107A Method and device for identifying data supports Physics 5 Expired
US4705938A Method of securing data on a data support Physics 5 Expired
US4501959A Method and apparatus for aligning flat data supports Performing Operations; Transporting 3 Expired
US4680807A Method and device for identifying data supports Physics 3 Expired
US4546242A Method for protecting against the re-transfer of uniquely recorded information on a data carrier and apparatus for recording and/or reading re-transfer-protected information Physics 3 Expired
US4535418A Data carrier controlled data processing Physics 2 Expired
US4339820A Method and device for coding and/or decoding and securing data Physics 2 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.