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OPTICAL DISC CORP

Overview
  • Total Patents
    56
About

OPTICAL DISC CORP has a total of 56 patent applications. Its first patent ever was published in 1983. It filed its patents most often in United States, EPO (European Patent Office) and Canada. Its main competitors in its focus markets audio-visual technology, machines and basic communication technologies are TAKAZAWA KOJI, GUZENKO YURIJ M and EPISHKIN YURIJ S.

Patent filings per year

Chart showing OPTICAL DISC CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wilkinson Richard L 28
#2 Rilum John H 26
#3 Eberly Carlyle J 20
#4 Li Shigang 11
#5 Holmes John R 10
#6 Winslow John S 8
#7 Brown Stephen P 7
#8 Boyle William W 6
#9 Browne John F 6
#10 Eberly Carlye J 5

Latest patents

Publication Filing date Title
TW200419559A Improved hybrid discs
MY139583A Improved configuration of three-dimensional features in optical recording structures
EP1471510A1 Optical recording structures
US7016295B2 Hybrid discs displaying certain dimensional values
US7054260B2 Hybrid discs
CN1582472A Improved figure of merit in optical recording structure
US6570840B1 Figure of merit in optical recording structures
AU5181196A Method and means for changing pit depth on an optical recordable medium
US5608712A Method and means for varying pit duty cycle and changing pit depth on an optical recordable medium
US5608711A Method and means for changing pit depth on an optical recordable medium
US5297129A Waveform shaping method and apparatus for optical recording
US5399220A Composite disc media and method for making same
US4963901A Direct read after write optical storage medium and information storage system
US4707670A PLL stabilized frequency modulator with extended low frequency range
US4743980A Audio carrier amplitude control for videodisc recorder
US4701603A Focus control system for optical information recorder or player
EP0130026A1 High contrast thin film optical recording medium
US4616356A Aperture compensation signal processor for optical recording
US4539673A Optical disc air separation method and device
US4809022A Direct read after write optical storage medium