Osaka, Japan

Masakazu Shimomura

This inventor holds 2 USPTO granted patents. Top assignee: Tsubakimoto Chain Company. Active years: 2005.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masakazu Shimomura. Retrieved from https://idiyas.com/inventor/masakazu-shimomura

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

Calculating rank

Average Co-Inventor Count = 4.0

ph-index = 2

Forward Citations = 140(Granted Patents)


Company Filing History:


Years Active: 2005

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2 patents (USPTO):Explore Patents

Title: Masakazu Shimomura: Innovator in Mail Sorting Technology

Introduction

Masakazu Shimomura is a notable inventor based in Osaka, Japan. He has made significant contributions to the field of mail sorting technology, holding 2 patents that enhance the efficiency and reliability of mail distribution systems.

Latest Patents

One of his latest patents is a mail sorting and distributing transfer system. This innovative system extends the transformable time of mail fed from a mail charging line, ensuring timely and reliable transfer to conveyor baskets on a mail sorting line. The system features transfer timing levers that maintain the receipt ports of transfer baskets in alignment with the mail charging line during the receipt of mail. The lever pivots to move the associated transfer basket, while underlying conveyor baskets are synchronized with the transfer baskets during the mail transfer process.

Another significant patent is a mail sorter designed to reliably sort mail while minimizing the risk of breakage and recovery mistakes. This mail sorter includes a conveyor line with a forward run and a return run, closely arranged back to back. Layered mail recovery box groups are positioned along the lower region of the return run, allowing for efficient recovery of mail released from conveyor baskets.

Career Highlights

Masakazu Shimomura is currently employed at Tsubakimoto Chain Company, where he continues to innovate in the field of mail sorting technology. His work has contributed to advancements that improve the overall efficiency of mail handling systems.

Collaborations

He has collaborated with notable coworkers, including Ryosuke Shiibashi and Toshio Kanbe, who have also contributed to the development of innovative solutions in the industry.

Conclusion

Masakazu Shimomura's contributions to mail sorting technology through his patents demonstrate his commitment to innovation and efficiency in the field. His work continues to influence the way mail is sorted and distributed, showcasing the importance of inventors in advancing technology.

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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