Hino, Japan

Masahiro Umemura

This inventor holds 6 USPTO granted patents. Top assignee: Konica Corporation. Active years: 1991-1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masahiro Umemura. Retrieved from https://idiyas.com/inventor/masahiro-umemura

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 = 5.9

ph-index = 5

Forward Citations = 56(Granted Patents)


Location History:

  • Hino, JP (1991 - 1993)
  • Tokyo, JP (1994)

Company Filing History:


Years Active: 1991-1994

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6 patents (USPTO):Explore Patents

Title: The Innovations of Masahiro Umemura

Introduction

Masahiro Umemura is a notable inventor based in Hino, Japan. He has made significant contributions to the field of magnetic recording technology. With a total of 6 patents to his name, Umemura has demonstrated a commitment to innovation and excellence in his work.

Latest Patents

One of his latest patents involves a magnetic recording medium. This invention features a coater designed for an extruder that coats magnetic layers onto electromagnetic recording tape. The extruder is equipped with two reservoirs and two outlet channels, allowing for the simultaneous coating of two layers. These outlet channels converge at an angle and merge into a single outlet channel, which extrudes the two layers between a front edge and a rear edge. The design includes a curvature at the front edge, while the rear edge extends beyond a tangential line drawn from the end of the front edge curvature. This innovative extruder can produce double-layered magnetic tape with or without a mixed zone between the layers.

Career Highlights

Masahiro Umemura is currently employed at Konica Corporation, where he continues to push the boundaries of technology. His work has been instrumental in advancing the capabilities of magnetic recording media.

Collaborations

Throughout his career, Umemura has collaborated with talented individuals such as Yasushi Nakano and Setsuko Kawahara. These partnerships have contributed to the success of his projects and innovations.

Conclusion

Masahiro Umemura's contributions to the field of magnetic recording technology highlight his innovative spirit and dedication to advancing the industry. His patents and collaborations reflect a career marked by significant achievements and a commitment to excellence.

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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