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For the Inventor, By the Inventor

Katsuta, Japan

Yoshitaka Okada

This inventor holds 2 USPTO granted patents. Top assignee: Hitachi, Ltd.. Active years: 1989-1993.

USPTO Granted Patents = 2

% Patents Active = 100.0

Average Co-Inventor Count = 3.4

ph-index = 2

Forward Citations = 12(Granted Patents)


Location History:

  • Uji, JP (1989)
  • Katsuta, JP (1993)

Company Filing History:

goldMedal2 out of 42,719 
 
Hitachi, Ltd.
 patents

Years Active: 1989-1993

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2 patents (USPTO):Explore Patents
1. 5260843 - Magnetic recording and reproducing apparatus with individual correction (1993-11-09),
2. 4832430 - Optical switch (1989-05-23),
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