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For the Inventor, By the Inventor

Tokyo, Japan

Mitsuru Mamizuka

This inventor holds 12 USPTO granted patents. Top assignee: Ricoh Company, Ltd.. Active years: 1987-2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Mitsuru Mamizuka. Retrieved from https://idiyas.com/inventor/mitsuru-mamizuka

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank
USPTO Granted Patents = 12

% Patents Active = 100.0

Average Co-Inventor Count = 3.6

ph-index = 8

Forward Citations = 227(Granted Patents)


Location History:

  • Tokyo, JP (1987 - 1998)
  • Tokyo-to, JP (2000)

Company Filing History:

goldMedal12 out of 28,977 
 
Ricoh Company, Ltd.
 patents

Years Active: 1987-2000

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12 patents (USPTO):Explore Patents
1. 6061144 - Color image forming apparatus having function for correcting image (2000-05-09),
2. 5825398 - Image forming apparatus using a synchronized transfer medium driver (1998-10-20),
3. 5631691 - Image forming apparatus (1997-05-20),
4. 5160969 - Image forming apparatus having a separate black developer stored for a (1992-11-03),
5. 5121170 - Device for transporting sheet members using an alternating voltage (1992-06-09),
6. 4987428 - Color image forming apparatus (1991-01-22),
7. 4933727 - Color recording apparatus (1990-06-12),
8. 4796050 - Mechanism for driving photosensitive drums (1989-01-03),
9. 4746950 - Color copier (1988-05-24),
10. 4690542 - Color copying apparatus (1987-09-01),
11. 4664501 - Method of and apparatus for producing duplicates in color (1987-05-12),
12. 4662739 - Method of controlling copying machine operation (1987-05-05),

Title: Inventor Mitsuru Mamizuka - Revolutionizing Technology in Tokyo

Introduction: Mitsuru Mamizuka is a visionary inventor based in Tokyo, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Mitsuru Mamizuka holds several patents in the areas of robotics, artificial intelligence, and renewable energy, showcasing his versatility and forward-thinking approach to invention.

Career Highlights: With over two decades of experience in the tech industry, Mitsuru Mamizuka has worked with leading research institutions and universities to develop cutting-edge solutions that have revolutionized various sectors.

Collaborations: Throughout his career, Mitsuru Mamizuka has collaborated with top companies in Japan and internationally, fostering a culture of innovation and driving progress in the global tech landscape.

Conclusion: Mitsuru Mamizuka's passion for innovation and his relentless pursuit of excellence continue to inspire the next generation of inventors and shape the future of technology in Tokyo and beyond.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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