Ichihara, Japan

Katsuyasu Niijima

This inventor holds 2 USPTO granted patents. Top assignee: Hitachi Chemical Company, Ltd.. Active years: 2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katsuyasu Niijima. Retrieved from https://idiyas.com/inventor/katsuyasu-niijima

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


Average Co-Inventor Count = 5.0

ph-index = 1


Company Filing History:


Years Active: 2014

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2 patents (USPTO):Explore Patents

Title: Innovations of Katsuyasu Niijima

Introduction

Katsuyasu Niijima is a notable inventor based in Ichihara, Japan. He has made significant contributions to the field of semiconductor technology, holding two patents that showcase his innovative approach to materials used in electronic devices.

Latest Patents

Niijima's latest patents include a sealing film and a semiconductor device utilizing this film. The sealing film features a resin layer with specific flow characteristics and viscosity measurements, designed to enhance the performance of semiconductor devices. The resin layer contains a high-molecular-weight component with crosslinking functional groups and a thermosetting component primarily made of epoxy resin. Additionally, the film incorporates a filler and a colorant, which contribute to its functionality and effectiveness in sealing electrodes on semiconductor devices.

Career Highlights

Katsuyasu Niijima is currently employed at Hitachi Chemical Company, Ltd., where he continues to develop innovative materials for the semiconductor industry. His work has been instrumental in advancing the technology used in electronic devices, making them more efficient and reliable.

Collaborations

Niijima has collaborated with several talented individuals in his field, including Hiroyuki Kawakami and Naoki Tomori. These collaborations have fostered a creative environment that encourages the development of cutting-edge technologies.

Conclusion

Katsuyasu Niijima's contributions to semiconductor technology through his patents and collaborations highlight his role as an influential inventor in the industry. His work continues to impact the development of advanced materials for electronic devices.

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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