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For the Inventor, By the Inventor

Nagano, Japan

Toshihiko Yamazaki

This inventor holds 20 USPTO granted patents. Top assignee: Seiko Epson Corporation. Active years: 1997-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshihiko Yamazaki. Retrieved from https://idiyas.com/inventor/toshihiko-yamazaki

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

USPTO Granted Patents = 20

% Patents Active = 40.0

Average Co-Inventor Count = 4.1

ph-index = 5

Forward Citations = 1,147(Granted Patents)


Location History:

  • Suwa, JP (1997 - 1998)
  • Nagano-ken, JP (2004 - 2007)
  • Nagano, JP (2000 - 2008)

Company Filing History:

goldMedal20 out of 34,268 
 
Seiko Epson Corporation
 patents

Years Active: 1997-2026

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20 patents (USPTO):Explore Patents
1. 12753550 - Fibrous body processing apparatus (2026-10-06),
2. 12404633 - Fibrous body processing apparatus (2025-09-02),
3. 7463859 - Waste toner transporting device with screw for transporting waste toner to waste toner discharge port (2008-12-09),
4. 7239835 - Image forming apparatus with contact/separation mechanism (2007-07-03),
5. 7209694 - Image forming apparatus having a medium transporting belt formed in an endless shape and having a first and second region (2007-04-24),
6. 7187893 - Image transfer unit having an intermediate transfer belt to which a toner image is applied (2007-03-06),
7. 7133631 - Transfer device, with transfer pressure control (2006-11-07),
8. 7113733 - Image forming apparatus with moveable cleaning or transfer member (2006-09-26),
9. 7085523 - Image forming apparatus having a medium transporting belt formed in an endless shape (2006-08-01),
10. 6985681 - Image forming apparatus and image forming method (2006-01-10),
11. 6957032 - Intermediate transfer unit having a primary transfer member and a secondary transfer roller (2005-10-18),
12. 6856782 - Intermediate transfer unit having a primary and a secondary transfer member (2005-02-15),
13. 6801728 - Image forming apparatus and image forming method (2004-10-05),
14. 6731899 - Intermediate transfer unit (2004-05-04),
15. 6408158 - Intermediate transfer unit (2002-06-18),

Title: Innovations by Toshihiko Yamazaki in Nagano, Japan

Introduction

Toshihiko Yamazaki, an accomplished inventor based in Nagano, Japan, has made significant contributions to the field of technology, particularly through his inventive work at Seiko Epson Corporation. With a notable portfolio of 20 patents, Yamazaki's innovations focus primarily on advanced processing apparatuses and devices.

Latest Patents

Yamazaki's latest inventions include a sophisticated fibrous body processing apparatus and a waste toner transporting device.

1. **Fibrous Body Processing Apparatus**: This apparatus features a coarsely-crushed-pieces reservoir unit, a humidifying unit that generates humidified air, and a weight measurement unit that ensures precise measurement of the coarsely crushed pieces. Additionally, it includes a fixed amount supplying unit and a defibrating unit, marking an advancement in processing fibrous materials.

2. **Waste Toner Transporting Device**: This device incorporates a pair of transfer frames and a belt member, designed for effective transportation of waste toner to the discharge port. It employs a well-thought-out mechanism with transfer roller levers and urging members, enhancing efficiency in managing waste toner.

Career Highlights

Yamazaki's career at Seiko Epson Corporation has been marked by innovation and dedication. His patents illustrate his commitment to developing practical solutions that benefit the operations within the printing and imaging sectors. His work not only enhances the efficiency of processes but also contributes to eco-friendly practices in waste management.

Collaborations

Throughout his career, Toshihiko has collaborated with notable colleagues, including Hiroshi Ito and Tatsuro Osawa. These collaborations foster an environment of shared knowledge and innovation, further enriching the technological advancements at Seiko Epson Corporation.

Conclusion

Toshihiko Yamazaki stands out as an inventive force in the realm of technology in Japan. With a portfolio that includes 20 patents, his contributions to the field continue to have a lasting impact. As he strives to push the boundaries of innovation, his work at Seiko Epson Corporation reinforces the importance of inventive solutions in modern technology.

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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