Aichi, Japan

Keiko Yamada

This inventor holds 6 USPTO granted patents. Top assignee: Brother Kogyo Kabushiki-Kaisha. Active years: 1987-1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keiko Yamada. Retrieved from https://idiyas.com/inventor/keiko-yamada-tka6afjl

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 2.8

ph-index = 3

Forward Citations = 41(Granted Patents)


Location History:

  • Ama, JP (1987 - 1990)
  • Aichi, JP (1988 - 1991)

Company Filing History:


Years Active: 1987-1991

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6 patents (USPTO):Explore Patents

Title: **Innovative Contributions of Keiko Yamada in Printer Technology**

Introduction

Keiko Yamada, an accomplished inventor located in Aichi, Japan, has made significant strides in the field of printer technology. With a total of six patents to her name, Yamada's innovations have addressed key challenges in printing mechanisms, showcasing her expertise and dedication to enhancing user experience.

Latest Patents

Among her notable patents are the "Printer with an Initial Sheet-Setting Function" and the "Printer Having Head Release Mechanism Responsive to Space Commanding." The first invention efficiently drives the sheet feeding mechanism in response to the initial sheet-setting command, ensuring that the paper is neither caught nor crumpled near the exit of the first sheet supplier. This forward and backward movement optimization minimizes issues related to paper handling.

The second patent introduces a print head that can be moved between a printing position and a release position by a head release mechanism. Here, the print ribbon is operated only during the printing position, providing a well-thought-out solution to space command input by the user. This implementation allows for both momentary and continuous space commands, demonstrating Yamada's attention to user interface design and operational efficiency.

Career Highlights

Yamada is currently employed at Brother Kogyo Kabushiki-kaisha, a renowned company recognized for its innovations in printing technology. Her work demonstrates a commitment to improving the functionality and reliability of printers, enhancing the overall experience for users and contributing to the company's standing in the industry.

Collaborations

Throughout her career, Yamada has collaborated with talented coworkers, including Hideo Ueno and Satoshi Shibata. This collaborative environment has fostered an atmosphere of creativity and innovation, allowing her to bring her projects to fruition effectively.

Conclusion

Keiko Yamada stands out as a remarkable figure in the realm of printing technology. Her six patents reflect her ingenuity and determination to resolve common printing challenges. Through her work at Brother Kogyo Kabushiki-kaisha and collaborations with fellow innovators, Yamada continues to influence the landscape of printer technology, paving the way for future advancements.

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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