Ichihara, Japan

Chiichiro Hasegawa

This inventor holds 3 USPTO granted patents and 3 EPO patents. Top assignees: Dow Toray Co., Ltd., Toray Silicone Limited. Active years: 1982-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Chiichiro Hasegawa. Retrieved from https://idiyas.com/inventor/chiichiro-hasegawa-a75e2dp2

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 = 2.6

ph-index = 1

Forward Citations = 54(Granted Patents)


Company Filing History:


Years Active: 1982-2025

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3 patents (USPTO):Explore Patents

Title: The Innovations of Chiichiro Hasegawa

Introduction

Chiichiro Hasegawa is a notable inventor based in Ichihara, Japan. He has made significant contributions to the field of silicone rubber technology, holding two patents that showcase his innovative approaches. His work focuses on improving the production methods and adhesion properties of silicone materials.

Latest Patents

Hasegawa's latest patents include a production method for a laminate of fluorosilicone rubber and silicone rubber. This method involves curing a fluorosilicone rubber composition and laminating it with a silicone rubber composition to create a well-adhered laminate. His second patent pertains to a silicone composition that enhances adhesion between silicone rubber and various substrates. This composition is prepared from an alkoxy-containing silicon compound, an organotitanate, and an organohydrogensilicon compound, which can optionally include an organic solvent.

Career Highlights

Throughout his career, Hasegawa has worked with prominent companies such as Toray Silicone Limited and Dow Toray Co., Ltd. His experience in these organizations has allowed him to refine his expertise in silicone technologies and contribute to advancements in the industry.

Collaborations

Hasegawa has collaborated with notable coworkers, including Mitsuo Hamada and Sadami Yasuda. These partnerships have likely fostered a creative environment that encourages innovation and the development of new technologies.

Conclusion

Chiichiro Hasegawa's contributions to silicone rubber technology through his patents and career experiences highlight his role as a significant inventor in this field. His work continues to influence advancements in material science and engineering.

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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