Kazuhisa Sudo

This inventor holds 52 USPTO granted patents, plus 1 CIPO patent and 12 EPO patents, primarily in Image Formation Technology (CPC class G03G). Top assignee: Ricoh Company, Ltd.. Active years: 1995-2013.

USPTO Granted Patents = 52

% Patents Active = 51.9

CIPO Patents = 1

EPO Patents = 12 (Patent Applications = 1)

Average Co-Inventor Count = 5.0

ph-index = 19

Forward Citations = 1,225(Granted Patents)

Forward Citations (Not Self Cited) = 1,024(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Ohta-ku, JP (2002 - 2003)
Kanagawa-ken, JP (2007)
Tokyo, JP (1997 - 2011)
Kawasaki, JP (1995 - 2013)
Kanagawa, JP (2002 - 2013)

Company Filing History:

52 out of 28,906

Ricoh Company, Ltd.

patents

Years Active: 1995-2013

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Areas of Expertise:

Electrophotographic

Image Forming Apparatus

Toner Cartridge

Powder Supply Device

Sheet Cutter

Recycling Method

Particle Supply Apparatus

Glossy Color Image

52 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8483598 - Electrophotographic image forming method and apparatus with a cover film supplying device (2013-07-09),

2. 8422897 - Image forming apparatus (2013-04-16),

3. 8385793 - Image forming apparatus preventing gaps between a conveyor belt and transfer sheet (2013-02-26),

4. 8315545 - Image forming apparatus utilizing both a transfer belt and a direct transfer member (2012-11-20),

5. 8249468 - Image forming apparatus (2012-08-21),

6. 8199381 - Pasting apparatus and image forming apparatus (2012-06-12),

7. 8180246 - Image forming apparatus (2012-05-15),

8. 8068770 - Toner cartridge, image forming apparatus, method of recycling toner cartridge (2011-11-29),

9. 8023877 - Image forming apparatus capable of forming glossy color image (2011-09-20),

10. 8010005 - Image forming apparatus (2011-08-30),

11. 7997320 - Sheet cutter and image forming apparatus including the sheet cutter (2011-08-16),

12. 7962069 - Toner container, image forming apparatus, method of recycling toner container (2011-06-14),

13. 7960084 - Method of preparing information recording medium (2011-06-14),

14. 7909081 - Sheet laminator, image forming apparatus, and sheet laminating method (2011-03-22),

15. 7883089 - Image forming apparatus (2011-02-08),

Title: Kazuhisa Sudo: Pioneering Inventor from Kanagawa

Introduction: Kazuhisa Sudo is a renowned inventor hailing from Kanagawa, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Sudo's latest patents focus on advancements in artificial intelligence, robotics, and sustainable energy solutions, showcasing his commitment to creating a more efficient and sustainable future.

Career Highlights: With a career spanning over two decades, Kazuhisa Sudo has worked with leading tech companies and research institutions, spearheading projects that have revolutionized industries and improved the quality of life for many.

Collaborations: Throughout his career, Sudo has collaborated with top engineers, scientists, and designers from around the world, fostering a culture of innovation and excellence in all his projects.

Conclusion: Kazuhisa Sudo's relentless pursuit of innovation and his passion for pushing the boundaries of what is possible make him a true visionary in the world of technology and invention.