Chiba, Japan

Tadashi Hara

This inventor holds 1 USPTO granted patent. Top assignee: W. R. Grace Co.-Conn.. Active years: 1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tadashi Hara. Retrieved from https://idiyas.com/inventor/tadashi-hara-j174xvo2

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 = 3.0

ph-index = 1

Forward Citations = 23(Granted Patents)


Company Filing History:


Years Active: 1995

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1 patent (USPTO):Explore Patents

Title: The Innovative Contributions of Tadashi Hara

Introduction

Tadashi Hara is a notable inventor based in Chiba, Japan. He has made significant contributions to the field of cement technology through his innovative patent. His work focuses on enhancing the properties of cement compositions, which is crucial for construction and building materials.

Latest Patents

Tadashi Hara holds a patent for a dispersant composition for cement that exhibits excellent properties. This cement admixture, when added to a cement composition such as cement mortar or concrete, inhibits slump-loss and improves workability and applicability. The admixture is composed of copolymers derived from an alkenyl ether, a polyalkenyl ether, and maleic anhydride. This innovation is essential for ensuring the quality and performance of cement in various applications.

Career Highlights

Hara is associated with W.R. Grace & Co. - Conn., a company known for its advanced materials and specialty chemicals. His work at the company has allowed him to focus on developing solutions that enhance the performance of construction materials. His expertise in cement technology has positioned him as a valuable asset in the industry.

Collaborations

Tadashi Hara has collaborated with notable colleagues such as Susumu Honda and Hideo Koyata. These partnerships have contributed to the advancement of innovative solutions in the field of cement and construction materials.

Conclusion

Tadashi Hara's contributions to cement technology through his innovative patent demonstrate his commitment to improving construction materials. His work continues to influence the industry positively, showcasing the importance of innovation in enhancing material performance.

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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