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| Patent ID | Title | Date Filed |
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| March 28, 2003 |
| 6839900 | Disk cartridge, a method of manufacturing same, and a recording/reproducing system
| August 16, 2001 |
| 6839311 | Information recording unit and method thereof
| June 4, 1999 |
| 6827276 | Data recording and reproducing method and apparatus capable of recompressing individual data blocks
| February 7, 2003 |
| 6538961 | Apparatus and method for recording an optical disc identification code
| May 29, 2002 |
| 6501718 | Disk, recording and reproduction apparatus, and recording and reproduction method
| January 14, 2000 |
| 6433948 | Process management method using servo track writer
| February 12, 1999 |
| 6421196 | Method and apparatus for controlling recording medium
| August 3, 1999 |
| 6414913 | Apparatus and method for recording an optical disc identification code
| May 18, 1999 |
| 6381208 | Optical recording medium and optical recording and reproducing apparatus
| May 5, 2000 |
| 6373799 | Optical disk and recording/reproduction apparatus using the same
| October 21, 1999 |
| 6229776 | Optical disc apparatus for selectively reading data and audio output from CD-ROM
| March 16, 1998 |
| 6104686 | Copy protection marks on a transparent layer of an optical disk indicating that the disk has been previously accessed
| January 26, 1998 |
| 6070799 | Copy protection for a recordable medium and for controlling a recorder
| July 29, 1997 |
| 6052465 | Optical disk, an optical disk barcode forming method, an optical disk reproduction apparatus, a marking forming apparatus, a method of forming a laser marking on an optical disk, and a method of manufacturing an optical disk
| May 16, 1996 |
| 6028620 | Method and apparatus for affixing information on optical storage disks
| December 10, 1996 |
| 6009057 | Disc drive equipped with identification indication reader provided in an optical disc
| September 25, 1997 |
| 5959280 | Multi-standard optical disk reading apparatus and method of reading using same
| January 16, 1997 |
| 5924071 | Method and apparatus for optimizing a playlist of material
| September 8, 1997 |
| 5870364 | Digital optical disc with writeable regions and optical disc player for reading the writeable regions
| April 28, 1997 |
| 5862117 | Device, in particular a compact disc, comprising a data storage medium and an integrated circuit
| April 10, 1997 |
| 5862114 | Track disabling system and method for audio compact disks
| June 19, 1997 |
| 5838648 | Method and apparatus for scanning barcodes
| November 18, 1996 |
| 5825730 | Mastering machine having non-repetitive runout compensation
| March 8, 1996 |
| 5805549 | Using defect read from a disk to represent a machine-readable code
| April 2, 1996 |
| 5790489 | Smart compact disk including a processor and a transmission element
| January 21, 1997 |
| 5754022 | Optical pickup moving mechanism
| February 6, 1997 |
| 5717663 | Information data recording and reproduction apparatus
| December 5, 1996 |
| 5513169 | CD-ROM with machine-readable i.d. code
| November 29, 1994 |
| 5448550 | Selecting sectors in a storage medium
| June 16, 1993 |
| 5400319 | CD-ROM with machine-readable I.D. code
| October 6, 1993 |
| 5382776 | Combination of an optical-disk and barcode memory medium for use with an optical disk playback apparatus, having control programs stored in the optical-disk and specified by barcodes stored in the barcode memory medium
| April 30, 1993 |
| 5282187 | Picture orientation markable photo compact disk and method and apparatus for using same
| May 11, 1993 |
| 5151313 | Output sheet for image forming device and image forming device by use of the sheet
| June 18, 1990 |
| 5119363 | Optical disk having an index mark
| December 16, 1981 |
| 4891504 | Security level identification method for computer based information
| June 17, 1985 |
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| September 2, 1986 |
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| 4677604 | Method for controlling access to recorded data
| February 4, 1985 |
| 4674072 | Index pulse generator capable of producing an index pulse of stabilized nature for use in optical information recording and reproduction systems
| September 16, 1985 |
| 4644514 | Head drive control apparatus
| May 14, 1984 |
| 4621349 | Microcassette changer and printer apparatus
| July 9, 1984 |
| 4567585 | Optical tape recorder using linear scanning
| October 31, 1983 |
| 4556966 | Information carrier disk with angular coding means and a system for driving said disk in rotation
| April 27, 1982 |
| 4519056 | Optical disk apparatus
| March 9, 1983 |
| 4492993 | Magnetic recording tape and corresponding method providing indication of end-of-tape conditions
| December 14, 1982 |
| 4481412 | Interactive videodisc training system with bar code access
| March 7, 1983 |
| 4230323 | Automatic record player
| September 26, 1978 |
| 4226425 | Nonrecorded section detection in an automatic record
| September 28, 1978 |
| 4153821 | Optical scanner masking means
| November 26, 1976 |
| 4150261 | Method of and system for priority transcribing of dictation
| March 25, 1977 |
| 4108365 | Coin-operated recording machine
| January 15, 1976 |
| 3983316 | Turntable speed control system
| March 17, 1975 |
| RE39297 | Mark forming apparatus, method of forming laser mark on optical disk, reproducing apparatus, optical disk and method of producing optical disk
| December 7, 2001 |
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