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For the Inventor, By the Inventor

Gifu, Japan

Kouichi Tada

This inventor holds 4 USPTO granted patents. Top assignee: Sanyo Electric Co., Ltd.. Active years: 2000-2008.

USPTO Granted Patents = 4

% Patents Active = 75.0

Average Co-Inventor Count = 3.2

ph-index = 3

Forward Citations = 32(Granted Patents)


Location History:

  • Motosu-gun, JP (2000)
  • Gifu, JP (2001 - 2008)

Company Filing History:

goldMedal4 out of 8,782 
 
Sanyo Electric Co., Ltd.
 patents

Years Active: 2000-2008

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4 patents (USPTO):Explore Patents
1. 7426164 - Disk kind identifying method and disk apparatus (2008-09-16),
2. 6438097 - Optical recording disc capable of preventing illegal copy (2002-08-20),
3. 6262967 - Optical recording disc capable of preventing illegal copy (2001-07-17),
4. 6108296 - Optical recording disc capable of preventing illegal copy (2000-08-22),

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