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For the Inventor, By the Inventor

Tokorozawa, Japan

Hiro Fujita

USPTO Granted Patents = 6

Average Co-Inventor Count = 2.7

ph-index = 6

Forward Citations = 111(Granted Patents)


Location History:

  • Sayama, JA (1977)
  • Tokorozawa, JP (1980 - 1984)
  • Sayama, JP (1981 - 1984)

Company Filing History:

goldMedal6 out of 2,002 
 
Citizen Watch Company, Ltd.
 patents

Years Active: 1977-1984

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6 patents (USPTO):Explore Patents
1. 4465999 - Matrix driving method for electro-optical display device (1984-08-14),
2. 4443062 - Multi-layer display device with nonactive display element groups (1984-04-17),
3. 4264967 - Unit time producing system (1981-04-28),
4. 4244043 - Frequency division system (1981-01-06),
5. 4241435 - Electronic timepiece oscillator circuit (1980-12-23),
6. 4024416 - Method for controlling frequency of electrical oscillations and (1977-05-17),
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