Ibaraki, Japan

Katsumi Kumagai

This inventor holds 3 USPTO granted patents. Top assignees: Ricoh Printing Systems, Ltd., Hitachi Koki Co., Ltd.. Active years: 2003-2007.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katsumi Kumagai. Retrieved from https://idiyas.com/inventor/katsumi-kumagai

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


% Patents Active = 66.7

Average Co-Inventor Count = 5.6

ph-index = 2

Forward Citations = 43(Granted Patents)


Company Filing History:


Years Active: 2003-2007

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3 patents (USPTO):Explore Patents

Title: Katsumi Kumagai: Innovator in Document Processing Technology

Introduction

Katsumi Kumagai is a notable inventor based in Ibaraki, Japan. He has made significant contributions to the field of document processing technology, holding a total of 3 patents. His work has been instrumental in enhancing the efficiency and functionality of printing systems.

Latest Patents

Kumagai's latest patents include a document processing method that revolutionizes printing systems. This method involves a series of steps that direct a printer to print and store documents prepared by a computer in various formats. The process includes transmitting the document to the printer, ensuring receipt, and executing printing and storage based on the computer's instructions. Another significant patent pertains to a print system that integrates a computer and a printer, allowing the printer to store documents and process page layouts effectively.

Career Highlights

Throughout his career, Kumagai has worked with prominent companies such as Ricoh Printing Systems, Ltd. and Hitachi Koki Co., Ltd. His experience in these organizations has contributed to his expertise in developing innovative printing solutions.

Collaborations

Kumagai has collaborated with talented individuals in the industry, including Tatsuro Akabane and Seiji Kageyama. These partnerships have fostered a creative environment that has led to the development of advanced technologies in document processing.

Conclusion

Katsumi Kumagai's contributions to document processing technology have made a lasting impact on the industry. His innovative patents and collaborations reflect his dedication to enhancing printing systems.

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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