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For the Inventor, By the Inventor

Chiba, Japan

Wataru Yamatani

USPTO Granted Patents = 6


Average Co-Inventor Count = 1.5

ph-index = 4

Forward Citations = 64(Granted Patents)


Location History:

  • Hatogaya, JA (1977)
  • Hatogayashi, JA (1977)
  • Chiba, JP (1993 - 2007)

Company Filing History:

goldMedal6 out of 58,130 
 
Sony Corporation
 patents

Years Active: 1977-2007

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6 patents (USPTO):Explore Patents
1. 7269447 - Portable telephone terminal and power supply method (2007-09-11),
2. 5247496 - Recording and/or reproducing apparatus for using magneto-optical disc (1993-09-21),
3. 5222099 - Spread spectrum signal receiving apparatus (1993-06-22),
4. 4059802 - Input level display circuit for receivers (1977-11-22),
5. 4058771 - Double-balanced frequency converter (1977-11-15),
6. 4048569 - Receiver automatic gain control system (1977-09-13),
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