Otsu, Japan

Seiji Hosogai

This inventor holds 1 USPTO granted patent and 1 published patent application. Top assignee: Kaneka Corporation. Active years: 2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Seiji Hosogai. Retrieved from https://idiyas.com/inventor/seiji-hosogai

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

USPTO Granted Patents = 1 

% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 1


Company Filing History:


Years Active: 2020

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1 patent (USPTO):Explore Patents

Title: Seiji Hosogai: Innovator in Polyimide Laminates

Introduction

Seiji Hosogai is a prominent inventor based in Otsu, Japan. He is known for his significant contributions to the field of materials science, particularly in the development of polyimide laminate films. His innovative work has led to advancements that enhance the performance and durability of these materials.

Latest Patents

Hosogai holds a patent for a polyimide laminate film, which includes a method for manufacturing polyimide laminate film, a method for manufacturing thermoplastic polyimide, and a method for manufacturing flexible metal-clad laminate. This patented technology features a polyimide laminated film that contains a thermoplastic polyimide layer. The layer includes a block (A) with a storage elastic modulus of 0.15 GPa or more at 380°C and a block (B) with a storage elastic modulus of 0.10 GPa or less at 380°C. This innovative design provides high peel strength and effectively suppresses the occurrence of cracks in alkaline environments.

Career Highlights

Seiji Hosogai is associated with Kaneka Corporation, where he has made significant strides in the development of advanced materials. His work has not only contributed to the company's portfolio but has also positioned him as a key figure in the field of polymer technology.

Collaborations

Hosogai has collaborated with notable colleagues, including Hiroyuki Ushiro and Junpei Saito. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Seiji Hosogai's contributions to the field of polyimide laminates exemplify the impact of innovative thinking in materials science. His patented technologies continue to influence the industry, showcasing the importance of research and development in creating advanced materials.

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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