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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:

28 out of 2,979

Minolta Camera Kabushiki Kaisha

Minolta Company, Ltd.

Konica Minolta Business Technologies, Inc.

Years Active: 1979-2011

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32 patents (USPTO):Sort by Forward CitationsExplore 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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