Takarazuka, Japan

Hisashi Inokawa

This inventor holds 1 USPTO granted patent. Top assignees: Nippon Shokubai Co., Ltd., Sumitomo Osaka Cement Co., Ltd.. Active years: 2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hisashi Inokawa. Retrieved from https://idiyas.com/inventor/hisashi-inokawa

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

Calculating rank

Average Co-Inventor Count = 5.0

ph-index = 1

Forward Citations = 1(Granted Patents)


Company Filing History:


Years Active: 2011

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1 patent (USPTO):Explore Patents

Title: Hisashi Inokawa: Innovator in Ultrarapid Hardening Cement Composition

Introduction

Hisashi Inokawa is a notable inventor based in Takarazuka, Japan. He has made significant contributions to the field of construction materials, particularly through his innovative work on ultrarapid hardening cement compositions. His inventions focus on enhancing the performance and durability of cement products.

Latest Patents

Inokawa holds a patent for an ultrarapid hardening cement composition and dispersant. This invention aims to provide a cement composition that exhibits high strength, excellent fluidity, and a favorable usable time. It is designed to perform well under both low and general temperature conditions, improving the strength and durability of the hardening product. The composition includes an ultrarapid hardening cement made from calcium aluminate and a cement dispersant that consists of a copolymer with specific repeating units.

Career Highlights

Throughout his career, Inokawa has worked with prominent companies in the industry, including Sumitomo Osaka Cement Co., Ltd. and Nippon Shokubai Co., Ltd. His experience in these organizations has contributed to his expertise in cement technology and innovation.

Collaborations

Inokawa has collaborated with notable colleagues such as Akira Ono and Tsuyoshi Hirata. These partnerships have likely fostered a creative environment that has led to advancements in cement compositions and related technologies.

Conclusion

Hisashi Inokawa's contributions to ultrarapid hardening cement compositions demonstrate his commitment to innovation in construction materials. His work continues to influence the industry, providing solutions that enhance the performance and durability of cement products.

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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