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For the Inventor, By the Inventor

Yokohama, Japan

Kouji Ishigaki

USPTO Granted Patents = 16

Average Co-Inventor Count = 3.9

ph-index = 9

Forward Citations = 333(Granted Patents)


Location History:

  • Kanagawa, JP (2000)
  • Yokohama, JP (1990 - 2001)

Company Filing History:

goldMedal16 out of 28,544 
 
Ricoh Company, Ltd.
 patents

Years Active: 1990-2001

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16 patents (USPTO):Explore Patents
1. 6272248 - Original-discrimination system for discriminating special document, and image forming apparatus, image processing apparatus and duplicator using the original-discrimination system (2001-08-07),
2. 6160969 - Image forming apparatus with a voltage applying unit for image transfer (2000-12-12),
3. 5751854 - Original-discrimination system for discriminating special document, and (1998-05-12),
4. 5659628 - Special-document discriminating apparatus and managing system for image (1997-08-19),
5. 5652803 - Special-document discriminating apparatus and managing system for image (1997-07-29),
6. 5341196 - Image forming equipment using a toner cartridge (1994-08-23),
7. 5321466 - Image forming equipment with reserve mode to prevent unauthorized (1994-06-14),
8. 5265855 - Copier with document support moving means (1993-11-30),
9. 5258248 - Image density control method for an image forming apparatus (1993-11-02),
10. 5245390 - Device for adjusting output of image density sensor incorporated in (1993-09-14),
11. 5184184 - Image forming apparatus (1993-02-02),
12. 5122837 - Toner cartridge for an image forming apparatus (1992-06-16),
13. 5057867 - Image forming apparatus which corrects the image forming factors in (1991-10-15),
14. 5045883 - Image density control method using exclusive patterns for an image (1991-09-03),
15. 5028960 - Image density control method for an image forming apparatus (1991-07-02),

Title: Kouji Ishigaki: Pioneering Inventor from Yokohama

Introduction: Kouji Ishigaki is a renowned inventor hailing from Yokohama, Japan, known for his groundbreaking contributions to various technological fields.

Latest Patents: Kouji Ishigaki's latest patents include innovative designs in the field of robotics, artificial intelligence, and sustainable energy solutions.

Career Highlights: With a career spanning over two decades, Ishigaki has worked with leading tech companies in Japan, spearheading research and development projects that have resulted in numerous successful patents.

Collaborations: Throughout his career, Kouji Ishigaki has collaborated with top researchers, engineers, and scientists both locally and internationally, fostering a culture of innovation and excellence.

Conclusion: Kouji Ishigaki's passion for pushing the boundaries of technology and his relentless pursuit of innovation continue to inspire the next generation of inventors and researchers worldwide.

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