Sendai, Japan

Takeshi Hiiro

This inventor holds 1 USPTO granted patent. Top assignees: Kawaken Fine Chemicals Co., Ltd., Shin-Etsu Chemical Co., Ltd.. Active years: 1978.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takeshi Hiiro. Retrieved from https://idiyas.com/inventor/takeshi-hiiro

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 = 5(Granted Patents)


Company Filing History:


Years Active: 1978

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1 patent (USPTO):Explore Patents

Title: The Innovative Contributions of Takeshi Hiiro

Introduction

Takeshi Hiiro is a notable inventor based in Sendai, Japan. He has made significant contributions to the field of chemistry, particularly in the silicone industry. His innovative methods have paved the way for advancements in the preparation of important chemical intermediates.

Latest Patents

One of Hiiro's key patents is titled "Method for the preparation of dialkylchlorosilanes." This patent presents a novel and effective method for the synthetic preparation of dialkylchlorosilanes, which are crucial intermediates in the silicone industry. The method is based on the selectivity of a specific combination of a reaction solvent and a reducing agent. This process involves the dechlorination-reduction of one of the two silicon-bonded chlorine atoms present in a dialkyldichlorosilane, converting the Si-Cl linkages to Si-H. The reaction solvent used can be either N,N'-dimethylimidazolidinone or N,N,N',N',N',N'-hexamethyl-phosphoric triamide, while the reducing agent is sodium borohydride, optionally combined with sodium hydride. Hiiro holds 1 patent for this innovative method.

Career Highlights

Throughout his career, Hiiro has worked with prominent companies in the chemical industry. Notable among these are Kawaken Fine Chemicals Co., Ltd. and Shin-Etsu Chemical Co., Ltd. His experience in these organizations has contributed to his expertise and the development of his patented methods.

Collaborations

Hiiro has collaborated with esteemed colleagues in his field, including Hideki Sakurai and Fumihiko Kondo. These collaborations have further enriched his work and contributed to advancements in chemical research.

Conclusion

Takeshi Hiiro's innovative methods and contributions to the silicone industry highlight his importance as an inventor. His work continues to influence the field of chemistry and the development of new materials.

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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