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For the Inventor, By the Inventor

Urawa, Japan

Masakazu Sonoda

USPTO Granted Patents = 6

Average Co-Inventor Count = 3.5

ph-index = 3

Forward Citations = 36(Granted Patents)


Location History:

  • Shinagawa-ku, Tokyo, JP (1983)
  • Tokyo, JP (1983)
  • Urawa, JP (1983 - 1984)
  • Kanagawa, JP (1986)

Company Filing History:

goldMedal5 out of 58,130 
 
Sony Corporation
 patents
silverMedal1 out of 832,761 
Other
 patents

Years Active: 1983-1986

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6 patents (USPTO):Explore Patents
1. 4607297 - Apparatus for detecting clogging of head gap (1986-08-19),
2. 4486692 - DC Motor control circuit for drop-out of stopping pulses in recorder (1984-12-04),
3. 4482850 - Control circuit for DC capstan motor (1984-11-13),
4. 4405955 - Video signal reproducing apparatus (1983-09-20),
5. 4399473 - Apparatus for reproducing video signals in a slow-motion operating mode (1983-08-16),
6. 4396954 - Still mode video signal reproducing apparatus (1983-08-02),
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