For the Inventor, By the Inventor

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CA, United States of America

Ricoh Corporation

Calculating rank

USPTO Granted Patents = 233

% Expired Patents = 11.6

Trademarks = 2

Forward Citations = 11,919

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143 inventors (with patents filed for the assignee):

Tetsuro Motoyama (57 out of 264 patents)

James D Allen (28 out of 29 patents)

Edward L Schwartz (24 out of 135 patents)

4. David Geoffrey Stork (23 out of 80 patents)

5. Michael J Gormish (22 out of 119 patents)

6. Martin P Boliek (16 out of 73 patents)

7. Jonathan J Hull (15 out of 233 patents)

8. Gregory J Wolff (14 out of 90 patents)

9. Mark Peairs (14 out of 31 patents)

10. Ahmad Zandi (14 out of 34 patents)

11. John F Cullen (14 out of 36 patents)

12. Peter E Hart (10 out of 94 patents)

13. Steven M Blonstein (8 out of 10 patents)

14. Yuki Uchida (7 out of 19 patents)

15. Shogo Hyakutake (6 out of 23 patents)

Core Competencies:

Document Management

Image Forming Systems

Digital Imaging

Automatic Document Archiving

Compression Techniques

Inertial Navigation

Wireless Image Transfer

Dynamic Advertisement Allocation

Multi-function Machine

Secure Financial Transactions

Color Calibration

Data Management

233 patents: Sort by Forward Citations

1. 9632169 - Using inertial navigation for calibration of indoor positioning system (2017-04-25),

2. 8793220 - Automatic document archiving for a computer system (2014-07-29),

3. 8422873 - Imaging apparatus (2013-04-16),

4. 8120803 - Dynamic advertisement allocation (2012-02-21),

5. 7949666 - Synchronizing distributed work through document logs (2011-05-24),

6. 7949275 - Cleaning device, process cartridge and image forming apparatus (2011-05-24),

7. 7941343 - Method and system for enhancing product sales in network transactions (2011-05-10),

8. 7940408 - Bi-directional status and control between image capture device and backend device (2011-05-10),

9. 7830571 - System, apparatus and method for document management (2010-11-09),

10. 7719481 - Resolution reduction technique for displaying documents on a monitor (2010-05-18),

11. 7634145 - Compression and decompression with wavelet style and binary style including quantization by device-dependent parser (2009-12-15),

12. 7624045 - System and method for transmitting information regarding supplies and suppliers for image forming equipment (2009-11-24),

13. 7599864 - System and method for transmitting information regarding supplies and suppliers for image forming equipment (2009-10-06),

14. 7593660 - Image forming apparatus and image forming system (2009-09-22),

15. 7546049 - Image forming device with a control means to correct the fixing control temperature (2009-06-09),

Company Overview

Ricoh Corporation, headquartered in California, specializes in document management solutions and advanced imaging technologies. The company focuses on developing innovative systems for document management, including automatic document archiving and wireless image transfer. Ricoh's expertise extends to image forming systems and dynamic advertisement allocation, positioning it as a leader in digital imaging and compression techniques. Through its commitment to enhancing productivity and efficiency, Ricoh continues to support businesses in optimizing their document workflows.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Nov 10 2026

233 Patents

#1 in undefined, CA

#392 in California

#1,808 in US

#3,689 in the World

CA, United States of America

Ricoh Corporation

Forward Citations = 11,919

143 inventors:

Tetsuro Motoyama (57 out of 264 patents)

James D Allen (28 out of 29 patents)

Edward L Schwartz (24 out of 135 patents)

4. David Geoffrey Stork (23 out of 80 patents)

5. Michael J Gormish (22 out of 119 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ricoh Corporation. Retrieved from https://idiyas.com/company/ricoh

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

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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