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For the Inventor, By the Inventor

Tokai-mura, Japan

Yoshio Ohuchi

USPTO Granted Patents = 5

Average Co-Inventor Count = 3.9

ph-index = 4

Forward Citations = 31(Granted Patents)


Location History:

  • Hori, JP (1978)
  • Ibaraki, JA (1978)
  • Tokai-mura, JP (2001 - 2003)
  • Toukai, JP (2003)

Company Filing History:

goldMedal5 out of 42,485 
 
Hitachi, Ltd.
 patents

Years Active: 1978-2003

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5 patents (USPTO):Explore Patents
1. 6661994 - Electrophotographic image forming system (2003-12-09),
2. 6539188 - Liquid developing device, method of it's maintenance and the method of recovery of supplemental fluid from the liquid developing device (2003-03-25),
3. 6330425 - Double-surface printing apparatus (2001-12-11),
4. 4121223 - Ink jet recording apparatus with an improved ink sensor (1978-10-17),
5. 4074279 - Ink drop writing apparatus (1978-02-14),
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