Fujisawa, Japan

Shinjiro Hama

This inventor holds 2 USPTO granted patents. Top assignees: Nippon Polyurethane Industry Co., Ltd., Inoac Corporation. Active years: 1996-1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shinjiro Hama. Retrieved from https://idiyas.com/inventor/shinjiro-hama

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 = 4.0

ph-index = 2

Forward Citations = 8(Granted Patents)


Company Filing History:


Years Active: 1996-1997

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2 patents (USPTO):Explore Patents

Title: Innovations of Shinjiro Hama

Introduction

Shinjiro Hama is a notable inventor based in Fujisawa, Japan. He has made significant contributions to the field of polyurethane technology, holding a total of 2 patents. His work focuses on developing advanced materials that enhance the performance and usability of coatings and adhesives.

Latest Patents

Hama's latest patents include a self-emulsifiable polyisocyanate mixture and a one-component-type composition for polyurethane elastomers. The self-emulsifiable polyisocyanate mixture is characterized by a low hexamethylene diisocyanate monomer content and an average NCO functionality, which allows for excellent compatibility and stability when combined with water or water-soluble resins. This innovation results in an aqueous coating or adhesive composition that boasts superior heat resistance, workability, and adhesion to substrates.

The one-component-type composition for polyurethane elastomers comprises a polyurethane precursor that includes a polyisocyanate component and a compound with active hydrogen groups. This composition is designed to have storage stability comparable to thermoplastic elastomers, making it easy to handle and environmentally friendly. It is particularly useful for preparing elastomers with physical properties similar to those of two-component-type elastomers.

Career Highlights

Shinjiro Hama has worked with prominent companies in the industry, including Nippon Polyurethane Industry Co., Ltd. and Inoac Corporation. His experience in these organizations has contributed to his expertise in polyurethane technology and innovation.

Collaborations

Hama has collaborated with notable colleagues such as Shin Konishi and Shinji Hirayama, further enhancing his contributions to the field.

Conclusion

Shinjiro Hama's innovative work in polyurethane technology has led to the development of advanced materials that improve the performance of coatings and adhesives. His patents reflect a commitment to enhancing product usability and environmental sustainability.

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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