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For the Inventor, By the Inventor

Ebina, Japan

Ryoichi Tsuruoka

This inventor holds 17 USPTO granted patents. Top assignee: Fuji Xerox Co., Ltd.. Active years: 1996-1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ryoichi Tsuruoka. Retrieved from https://idiyas.com/inventor/ryoichi-tsuruoka

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

USPTO Granted Patents = 17

% Patents Active = 100.0

Average Co-Inventor Count = 3.6

ph-index = 9

Forward Citations = 179(Granted Patents)


Location History:

  • Kanagawa, JP (1996)
  • Ebina, JP (1996 - 1999)

Company Filing History:

goldMedal17 out of 11,665 
 
Fuji Xerox Co., Ltd.
 patents

Years Active: 1996-1999

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17 patents (USPTO):Explore Patents
1. 5923923 - Two-sided image forming apparatus with oil contamination prevention (1999-07-13),
2. 5896979 - Endless belt type delivery device (1999-04-27),
3. 5828924 - Optical detecting device for an image forming apparatus and an image (1998-10-27),
4. 5819140 - Roller for belt transporting apparatus and image forming apparatus (1998-10-06),
5. 5810131 - Vibration reducing method (1998-09-22),
6. 5784676 - Roller for belt transporting apparatus and image forming apparatus (1998-07-21),
7. 5784674 - Inner face cleaning member for an intermediate transfer device (1998-07-21),
8. 5768676 - Method of setting a position of a movable member, and a position setting (1998-06-16),
9. 5740512 - Image formation system with swell correction (1998-04-14),
10. 5697030 - Image forming apparatus with transfer belt pressing member (1997-12-09),
11. 5678138 - Paper transport control system for an image forming apparatus (1997-10-14),
12. 5659863 - Imaging forming apparatus with detecting capabilities of a condition of (1997-08-19),
13. 5652942 - Image forming apparatus (1997-07-29),
14. 5629760 - Image forming apparatus comprising medium attraction means (1997-05-13),
15. 5617197 - Image forming apparatus having a device for stripping a transfer member (1997-04-01),

Title: The Innovative Contributions of Ryoichi Tsuruoka

Introduction

Ryoichi Tsuruoka, a prominent inventor located in Ebina, Japan, has made significant strides in the field of image forming technology. With an impressive portfolio of 17 patents, Tsuruoka's inventions reflect his commitment to enhancing the efficiency and functionality of imaging devices.

Latest Patents

Among his most recent innovations are two noteworthy patents. The first is a "Two-sided image forming apparatus with oil contamination prevention." This sophisticated image forming apparatus incorporates a control unit designed to execute a method in which the photoreceptor drum does not make direct contact with a divided holding region surface on the transfer belt. This design allows for the two-sided image formation to occur with precision, catering to the unique demands of transfer sheets within the apparatus.

The second patent is an "Endless belt type delivery device," which features a drive roller and several driven rollers, including a tension apply roller. This device includes an endless belt that can be driven by the rotation of the drive roller, along with meandering adjusting means that help rectify any meandering in the belt's movement by adjusting contact pressures in relation to the rollers.

Career Highlights

Ryoichi Tsuruoka is currently affiliated with Fuji Xerox Co., Ltd., a leading company in imaging technology. Throughout his career, his focus has been on the development of advanced mechanisms that improve the reliability and effectiveness of image forming devices, thereby contributing to the company's reputation as a pioneer in this sector.

Collaborations

Tsuruoka has collaborated with notable individuals in his field, including coworkers Mikio Kobayashi and Shuji Iseki. Their joint efforts have driven forward numerous innovative projects, enhancing the scope of imaging technologies developed at Fuji Xerox Co., Ltd.

Conclusion

Ryoichi Tsuruoka exemplifies the spirit of innovation within the field of image forming technology. With his array of patents and collaboration with talented colleagues, he continues to make meaningful contributions to the industry, solidifying his role as a key inventor in advancing technological solutions.

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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