Yokohama, Japan

Keiichi Washizuka

This inventor holds 4 USPTO granted patents. Top assignees: Kabushiki Kaisha Toshiba, Tokyo Electric Co., Kabushiki Kaisha Tec. Active years: 1986-1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keiichi Washizuka. Retrieved from https://idiyas.com/inventor/keiichi-washizuka

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 = 3.0

ph-index = 4

Forward Citations = 33(Granted Patents)


Company Filing History:


Years Active: 1986-1996

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4 patents (USPTO):Explore Patents

Title: Keiichi Washizuka: Innovator in Label Printing and Vacuum Technology

Introduction

Keiichi Washizuka is a notable inventor based in Yokohama, Japan. He has made significant contributions to the fields of label printing and vacuum technology. With a total of 4 patents to his name, Washizuka has demonstrated his innovative spirit and technical expertise.

Latest Patents

Among his latest patents are advancements in label printers and electric vacuum cleaners. These inventions reflect his commitment to enhancing everyday technology and improving user experience.

Career Highlights

Throughout his career, Keiichi Washizuka has worked with prominent companies such as Kabushiki Kaisha Toshiba and Tokyo Electric Co. His experience in these organizations has allowed him to develop and refine his innovative ideas.

Collaborations

Washizuka has collaborated with talented individuals in the industry, including Tsuneo Takahashi and Takaharu Andoh. These partnerships have contributed to the success of his projects and inventions.

Conclusion

Keiichi Washizuka's contributions to technology, particularly in label printing and vacuum cleaners, highlight his role as a significant inventor. His work continues to influence the industry and inspire future innovations.

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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