Shinnanyo, Japan

Masazumi Hasegawa

This inventor holds 6 USPTO granted patents and 1 EPO patent. Top assignees: Tosoh Corporation, Nippon Telegraph and Telephone Corporation, Matsushita Electronics Corporation. Active years: 1991-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masazumi Hasegawa. Retrieved from https://idiyas.com/inventor/masazumi-hasegawa

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 = 2.8

ph-index = 5

Forward Citations = 40(Granted Patents)


Location History:

  • Shin Nanyo, JP (1991 - 1997)
  • Suzuka, JP (2015)

Company Filing History:


Years Active: 1991-2015

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6 patents (USPTO):Explore Patents

Title: Masazumi Hasegawa: Innovator in Packing and Planarizing Materials

Introduction

Masazumi Hasegawa is a notable inventor based in Shinnanyo, Japan. He has made significant contributions to the field of materials science, particularly in the development of packing and planarizing materials. With a total of 6 patents to his name, Hasegawa's work has had a considerable impact on various industries.

Latest Patents

Hasegawa's latest patents include a "Packing material with excellent hydrophilicity and process for producing the same." This invention aims to provide a medium suitable for high speed and high resolution, characterized by its rich hydrophilicity and resistance to high concentration aqueous alkaline solutions. The medium comprises crosslinked polymer particles that contain a specific range of repeating units derived from a (meth)acryloyl monomer.

Another significant patent is the "Planarizing material and planarizing method." This invention features a planarizing material that includes a resin capable of maintaining a practical temperature for a planarizing step set below 200 degrees Celsius, along with a melamine-type heat-curing agent and/or an epoxy-type heat-curing agent.

Career Highlights

Throughout his career, Hasegawa has worked with prominent companies such as Tosoh Corporation and Nippon Telegraph and Telephone Corporation. His experience in these organizations has allowed him to refine his expertise in materials development and innovation.

Collaborations

Hasegawa has collaborated with notable coworkers, including Yoshitaka Tsutsumi and Akinobu Tanaka. These partnerships have contributed to the advancement of his research and the successful development of his patented technologies.

Conclusion

Masazumi Hasegawa is a distinguished inventor whose work in packing and planarizing materials has made a lasting impact on the industry. His innovative patents and collaborations highlight his commitment to advancing materials science.

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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