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For the Inventor, By the Inventor

Osaka, Japan

Keiji Nakatani

USPTO Granted Patents = 32

Average Co-Inventor Count = 2.2

ph-index = 13

Forward Citations = 423(Granted Patents)


Location History:

  • Machida, JP (1979 - 1980)
  • Kawasaki, JP (1984)
  • Kanagawa, JP (1985)
  • Osaka, JP (1988 - 1993)
  • Aichi, JP (1989 - 1995)
  • Toyokawa, JP (1988 - 2011)

Company Filing History:

goldMedal28 out of 2,979 
 
Minolta Camera Kabushiki Kaisha
 patents
silverMedal3 out of 2,816 
 
Minolta Company, Ltd.
 patents
bronzeMedal1 out of 2,526 
 
Konica Minolta Business Technologies, Inc.
 patents

Years Active: 1979-2011

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32 patents (USPTO):Explore Patents
1. 7990565 - Recording system and recording method for recording sound and images on sound paper (2011-08-02),
2. 6259539 - Facsimile device capable of properly recording halftone image and text image (2001-07-10),
3. 5699169 - Image forming apparatus wherein data is converted between multi-level (1997-12-16),
4. 5608547 - Image forming apparatus having illumination direction altered for every (1997-03-04),
5. 5583941 - Imaging processor (1996-12-10),
6. 5410419 - Facsimile machine capable of distinguishing copied image and received (1995-04-25),
7. 5390003 - Copying system for preventing copying of copy-prohibited images (1995-02-14),
8. 5182638 - Digital color copying machine comprising a test mode for making a color (1993-01-26),
9. 5124799 - Digital color copying machine for forming a plurality of images of the (1992-06-23),
10. 5124788 - Digital color copying machine comprising a test mode for making a color (1992-06-23),
11. 5119182 - Image forming apparatus comprising sample image printing mode and image (1992-06-02),
12. 5068690 - Copying apparatus with image editing device (1991-11-26),
13. 4979031 - Digital color copying machine (1990-12-18),
14. 4978226 - Digital color copying machine for composing and controlling the color of (1990-12-18),
15. 4967287 - Image forming apparatus (1990-10-30),

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