President's invention (Non-holding patent of our company)

  [Patent No.]  [Pub No.]          [Name of Invention]
  JP 3982537    Pub.2005-135443    An access control method and an access control circuit
  JP 3803437    Pub. H10-135802    Pulse Width Modulation drive equipment
  JP 3675349    Pub.2002-288035    An access control method and an access control circuit
  JP 3641448    Pub.2003-076539    Operation processing unit
  JP 3345919    Pub. H06-113364    Remote control unit
  JP 3301087    Pub. H04-325838    Charge circuit
  JP 3256185    Pub.2000-138593    Run length mark error correction equipment
  JP 3250979    Pub. H10-243642    Switching power supply unit
  JP 3191555    Pub. H07-260906    Decrease battery sensing equipment
  JP 3146787    Pub. H07-095660    Remote control unit
  JP 3063576    Pub. H09-017117    Optical disc playback equipment
  JP 3063268    Pub. H05-063480    Audio signal amplification circuit
  JP 3057839    Pub. H05-101523    Display equipment
  JP 2962008    Pub. H05-150807    Sequential control device
  JP 2932592    Pub. H04-000226    Charg equipment
  JP 2924093    Pub. H04-038126    Portable apparatus
  JP 2907717    Pub. H07-302465    Memory equipment of CD player
  JP 2876601    Pub. H02-064967    A synchronous sensing device of digital disk playback equipment
  JP 2850609    Pub. H05-151589    A focus control device
  JP 2805814    Pub. H02-273070    Switching power supply unit
  JP 2705233    Pub. H03-062324    A tracking control device
  JP 2701322    Pub. H01-303634    Optical information playback equipment
  JP 2696930    Pub. H01-303672    Data slice equipment of an optical disk player
  JP 2674032    Pub. H01-066874    Clock extraction circuit
  JP 2589688    Pub. S63-214924    Optical playback equipment
  JP 2553584    Pub. H01-067017    A loop filter of a servo circuit
  JP 2116826    Pub. H02-051357    Switching power supply unit
  JP 2116794    Pub. H01-270767    Switching power supply unit
  JP 2116878    Pub. H02-230522    Object lens supporting structure of optical disc equipment
  JP 2111870    Pub. S59-223954    Optical pickup
  JP 2111869    Pub. S59-223953    Optical pickup
  JP 2021491    Pub. S59-223956    Optical pickup of optical disc player
  JP 2016734    Pub. S59-221840    Object lens drive equipment of optical disc player
  JP 2016733    Pub. S59-221839    Object lens supporting structure of optical disc equipment
  JP 1915041    Pub. S62-047828    Error signal generating equipment of optical playback equipment
  JP 1894466    Pub. S60-236123    Adjustment method of a diffraction grating of optical disk playback equipment
  JP 1881061    Pub. S62-165737    Optical information playback equipment
  JP 1840809    Pub. S61-068736    Move control device of an optical head for playback
  JP 1820152    Pub. S59-221838    Object lens drive equipment of optical disc player
  JP 1744253    Pub. S60-245333    Digital signal playback equipment
  JP 1565709    Pub. S59-223947    Object lens drive equipment
  JP 1560715    Pub. S59-019269    A record for song selection adjustment and a song selection adjustment method
  JP 1560714    Pub. S59-019267    Detector circuit between music of an automatic song selection player
  JP 1553718    Pub. S59-019276    Sequence control equipment of a linear tracking player
  JP 1493042    Pub. S58-057672    A control device of a linear tracking arm
  JP 1484961    Pub. S57-127965    A sensing device between music of a record player
  JP 1484960    Pub. S57-127964    A sensing device between music of a record player
  JP 1095867    Pub. S53-128302    Auxiliary weight of a pickup arm
  JP 0922117    Pub. S52-075401    Pickup arm

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