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Kazunobu Chiba

USPTO Granted Patents = 13

Average Co-Inventor Count = 3.5

ph-index = 4

Forward Citations = 76(Granted Patents)

Company Filing History:

13 out of 58,129

Sony Corporation

Years Active: 1993-1999

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13 patents (USPTO):Sort by Forward Citations

Abstract keywords

1. 5976668 - Base film for magnetic recording medium and magnetic recording medium (1999-11-02),

2. 5925404 - Manufacturing method of magnetic material for metallic thin film (1999-07-20),

3. 5906880 - Magnetic recording medium (1999-05-25),

4. 5835673 - Digital signal recording on a magnetic recording medium having a (1998-11-10),

5. 5672425 - Magnetic recording medium and a method of fabricating the same (1997-09-30),

6. 5571595 - Magnetic recording medium and method for production thereof (1996-11-05),

7. 5525419 - Magnetic recording medium (1996-06-11),

8. 5512349 - Method and apparatus for magnetic recording digital video signals and (1996-04-30),

9. 5384666 - Digital picture signal recording apparatus in which a field interval is (1995-01-24),

10. 5349478 - Magnetic recording and/or reproducing method having a double azimuth (1994-09-20),

11. 5347406 - Digital video recording apparatus for recording digital video signals of (1994-09-13),

12. 5253122 - Recording of digital video signals on a magnetic medium having a (1993-10-12),

13. 5247397 - Method for magnetically recording digital video signals with specified (1993-09-21),

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