Tokyo, Japan

Yasumasa Tomita

This inventor holds 11 USPTO granted patents and 3 EPO patents. Top assignee: Ricoh Company, Ltd.. Active years: 2006-2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasumasa Tomita. Retrieved from https://idiyas.com/inventor/yasumasa-tomita

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

Calculating rank

% Patents Active = 36.4


Average Co-Inventor Count = 1.2

ph-index = 5

Forward Citations = 1,056(Granted Patents)


Location History:

  • Tokyo, JP (2006 - 2010)
  • Mitaka, JP (2013)

Company Filing History:


Years Active: 2006-2013

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11 patents (USPTO):Explore Patents

Title: Innovations of Yasumasa Tomita

Introduction

Yasumasa Tomita is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of optical scanning technology, holding a total of 11 patents. His work has been instrumental in advancing image forming apparatuses, particularly in enhancing their precision and efficiency.

Latest Patents

One of his latest patents is an optical scanning unit and image forming apparatus using the same. This invention features a light emitter that emits a light beam, a rotary deflector that deflects and scans the light beam onto a latent image carrier, and an inclination adjustment unit that adjusts the inclination of the scan line. The controller in this apparatus changes the linear velocity of the latent image carrier and the rotation speed of the rotary deflector to maintain the alignment of the scan line. Another notable patent is an image forming apparatus capable of producing a high-precision light beam with a simple structure. This apparatus includes an optical scanning device that generates an optical scanning beam and features a unique enclosure with arch-like-shaped supporting members.

Career Highlights

Yasumasa Tomita is currently employed at Ricoh Company, Ltd., where he continues to innovate in the field of optical technology. His work has not only contributed to the company's advancements but has also set new standards in the industry.

Collaborations

Throughout his career, Tomita has collaborated with notable colleagues such as Keiichi Serizawa and Hiroshi Yoshizawa. These collaborations have further enriched his work and led to the development of groundbreaking technologies.

Conclusion

Yasumasa Tomita's contributions to optical scanning technology have made a lasting impact on the industry. His innovative patents and collaborations reflect his dedication to advancing technology and improving image forming apparatuses.

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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