Osaka, Japan

Takashi Iwashimizu

This inventor holds 2 USPTO granted patents. Top assignees: Hayashi Kasei Co., Ltd., Sanyo Chemical Industries, Ltd., Takenaka Corporation. Active years: 1990-1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takashi Iwashimizu. Retrieved from https://idiyas.com/inventor/takashi-iwashimizu

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 = 6.9

ph-index = 1

Forward Citations = 8(Granted Patents)


Location History:

  • Osaka, JP (1990)
  • Sakai, JP (1992)

Company Filing History:


Years Active: 1990-1992

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2 patents (USPTO):Explore Patents

Title: Takashi Iwashimizu: Innovator in Cement Technology

Introduction

Takashi Iwashimizu, based in Osaka, Japan, is an accomplished inventor with a focus on enhancing cement compositions. With two patents to his name, his innovations are notable contributions to the construction industry, particularly in improving material performance.

Latest Patents

Among Iwashimizu's latest patents are two significant innovations. The first is an "Admixture and cement composition using same," which involves creating an admixture for cement compositions by calcining specific substances, including natural kaolin and halloysite. This process produces amorphous alumina/silica compounds that improve fluidity and strength in mortar and concrete. The second patent, "Suppression of pressure water absorption of lightweight aggregate," introduces a pressure water absorption inhibitor that utilizes an aqueous polymeric dispersion. This dispersion effectively penetrates fine pores in lightweight aggregates, enhancing their performance in construction applications.

Career Highlights

Throughout his career, Takashi Iwashimizu has made significant strides while working for renowned companies such as Takenaka Corporation and Hayashi Kasei Co., Ltd. His contributions have been pivotal in advancing cement technology, showcasing his deep understanding and expertise in the field.

Collaborations

Iwashimizu has collaborated with several colleagues, notably Yasuhiko Yoshioka and Masahiro Morozumi. These partnerships have further enriched his innovations, allowing for a collaborative approach to solving pressing challenges in the construction materials sector.

Conclusion

In summary, Takashi Iwashimizu’s inventiveness and dedication to improving cement compositions make him a key figure in the field of construction innovation. His patents reflect not only a commitment to enhancing material technology but also highlight the importance of collaboration in achieving groundbreaking advancements.

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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