IDiyas

For the Inventor, By the Inventor

Kanagawa, Japan

Nobuhiko Tsukahara

USPTO Granted Patents = 17


Average Co-Inventor Count = 2.2

ph-index = 10

Forward Citations = 185(Granted Patents)


Location History:

  • Atsugi, JP (1984)
  • Kanagawa, JP (1986 - 2013)

Company Filing History:

goldMedal17 out of 58,129 
 
Sony Corporation
 patents

Years Active: 1984-2013

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17 patents (USPTO):Explore Patents
1. 8356312 - Cartridge drive apparatus for a disc cartridge that holds a disc (2013-01-15),
2. 8307383 - Disc cartridge (2012-11-06),
3. 8281327 - Mechanism to load disc from cartridge to recording apparatus (2012-10-02),
4. 7948379 - Optical disk recording and reproducing apparatus, remote controller, and content management method (2011-05-24),
5. 7112746 - Data transmission cable (2006-09-26),
6. 7079733 - Optical communication system, optical communication apparatus, and optical cable (2006-07-18),
7. 6414928 - Disc tray, disc-tray accommodating apparatus and disc drive apparatus (2002-07-02),
8. 6407982 - Disk tray, disk storing apparatus and disk drive (2002-06-18),
9. 6345035 - Disc tray, disc-tray accommodating apparatus and disc drive apparatus (2002-02-05),
10. 6151293 - Two-layer optical disk unaffected by position deviation (2000-11-21),
11. 6021107 - Optical pickup device and recording and/or reproducing apparatus for (2000-02-01),
12. 5970045 - Optical disc and disc cartridge (1999-10-19),
13. 5448537 - Magnet-optical disc drive device with sure disc placement (1995-09-05),
14. 4989107 - Microfloppy disk drive with centering mechanism (1991-01-29),
15. 4697216 - Disk drive apparatus with automatic centering arrangement (1987-09-29),
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