Nagano, Japan

Masaaki Kumasaka

This inventor holds 1 USPTO granted patent. Top assignee: Seiko Epson Corporation. Active years: 2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masaaki Kumasaka. Retrieved from https://idiyas.com/inventor/masaaki-kumasaka

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


% Patents Active = 100.0

Average Co-Inventor Count = 6.0

ph-index = 1

Forward Citations = 15(Granted Patents)


Company Filing History:


Years Active: 2004

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1 patent (USPTO):Explore Patents

Title: Masaaki Kumasaka: Innovator in Printer Technology

Introduction

Masaaki Kumasaka is a notable inventor based in Nagano, Japan. He has made significant contributions to the field of printer technology, particularly through his innovative designs and engineering solutions. His work has been recognized in the form of patents that enhance the functionality and efficiency of printing devices.

Latest Patents

Masaaki Kumasaka holds a patent for a "Printer, carriage supporting structure and head assembly incorporated in the printer." This invention involves a printer that performs printing on a recording medium transported in a first direction. The carriage is designed to move reciprocally in a second direction, which is perpendicular to the first. A print head is mounted on the carriage, equipped with a head face. The design includes a frame on one side of the print head and a guide plate that extends in the second direction. The guide plate features a first portion as part of the frame, a second portion that supports the carriage, and a third portion extending in an opposite direction. This innovative structure defines the distance between the head face and the recording medium, enhancing printing precision.

Career Highlights

Masaaki Kumasaka is associated with Seiko Epson Corporation, a leading company in the printing and imaging industry. His work at Epson has allowed him to contribute to advancements in printer technology, making significant impacts on product development and innovation.

Collaborations

Throughout his career, Masaaki Kumasaka has collaborated with talented individuals such as Kazuo Tanaka and Kazuhiro Hashii. These collaborations have fostered a creative environment that encourages innovation and the development of cutting-edge technologies.

Conclusion

Masaaki Kumasaka is a distinguished inventor whose work in printer technology has led to valuable patents and advancements in the field. His contributions continue 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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