Osaka, Japan

Seiichi Shirasaki

This inventor holds 39 USPTO granted patents and 4 published patent applications and 4 EPO patents, primarily in Image Processing. Top assignees: Kyocera Document Solutions Inc., Kyocera Mita Corporation, Mita Industrial Co., Ltd.. Active years: 1992-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Seiichi Shirasaki. Retrieved from https://idiyas.com/inventor/seiichi-shirasaki

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

USPTO Granted Patents = 39 

% Patents Active = 76.9

 

Average Co-Inventor Count = 2.1

ph-index = 5

Forward Citations = 78(Granted Patents)


Location History:

  • Neyagawa, JP (1992)
  • Osaka, JP (1998 - 2023)

Company Filing History:


Years Active: 1992-2026

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Areas of Expertise:
Sheet Post-Processing
Image Forming System
Image Processing Apparatus
Sheet Feeding Device
Folding Device
Paper Discharge Apparatus
Sheet Conveying Device
Electrophotographic Apparatus
Thermal Printer
Post-Processing Device
Connection Mechanism
Developing Unit
39 patents (USPTO):Explore Patents

Title: **Seiichi Shirasaki: A Pioneer in Sheet Feeding Technology**

Introduction

Seiichi Shirasaki is a renowned inventor based in Osaka, Japan, who has made significant contributions to the field of document handling and image forming systems. With an impressive portfolio of 24 patents, Shirasaki's innovations have revolutionized the way sheets are fed and managed in various office equipment.

Latest Patents

Shirasaki's recent patents include groundbreaking inventions such as the "Sheet Feeding Device and Image Forming System Therewith." This innovative apparatus features a sheet stacking portion, a lift plate, and a complex actuating segment alongside a driving unit. The device also includes a first detecting portion and a remaining amount detection portion, which works together to ensure optimum performance. The sophisticated nature of these inventions reflects Shirasaki's commitment to enhancing sheet feeding mechanisms, making them more efficient and reliable for users.

Another notable patent is the "Sheet Feeding Apparatus and Image Forming System." This system incorporates a control unit that intelligently manages the position of the lift plate based on the detection of the sheet and the remaining quantity of sheets available. The advancements presented in these patents showcase Shirasaki's ingenuity and technical prowess.

Career Highlights

Seiichi Shirasaki has had an impactful career, primarily working with leading companies in the industry. He has contributed to organizations like Kyocera Document Solutions Inc. and Kyocera Mita Corporation, where he utilized his expertise to enhance product offerings and streamline operational processes. His innovative spirit and problem-solving abilities have positioned him at the forefront of technology in document management systems.

Collaborations

Throughout his career, Shirasaki has collaborated with talented individuals such as Sachio Izumichi and Masahiko Miyazaki. These professional partnerships have fostered an environment of creativity and innovation, enabling the development of cutting-edge products that serve a wide range of consumer needs.

Conclusion

Seiichi Shirasaki stands out as a leading inventor in sheet feeding technology, with his numerous patents reflecting his commitment to innovation. His work with reputable companies and collaborations with skilled colleagues have paved the way for advancements in office equipment and image forming systems. As technology continues to evolve, Shirasaki's contributions will undoubtedly have a lasting impact on the industry.

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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