Fujisawa, Japan

Kiyosumi Doi

This inventor holds 1 USPTO granted patent. Top assignee: Takasago Perfumery Co., Ltd.. Active years: 1980.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kiyosumi Doi. Retrieved from https://idiyas.com/inventor/kiyosumi-doi

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 = 4.0

ph-index = 1

Forward Citations = 5(Granted Patents)


Company Filing History:


Years Active: 1980

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1 patent (USPTO):Explore Patents

Title: Kiyosumi Doi: Innovator in Hydrocarbon Production

Introduction

Kiyosumi Doi is a notable inventor based in Fujisawa, Japan. He has made significant contributions to the field of hydrocarbon production, particularly through his innovative processes. His work has implications for various industries, including energy and materials.

Latest Patents

Doi holds a patent for a process for producing hydrocarbons. This process involves subjecting synthetic polyisoprene rubber to thermally destructive distillation under reduced pressure. The method yields hydrocarbons with about 10 to 50 carbon atoms. Additionally, he has developed a process for producing squalane-like saturated hydrocarbons by catalytically reducing the distillate obtained from the synthetic polyisoprene rubber. This patent showcases his expertise and innovative approach in the field.

Career Highlights

Kiyosumi Doi is associated with Takasago Perfumery Co., Ltd., where he has been able to apply his inventive skills. His work at the company has allowed him to explore and develop new methods for hydrocarbon production. Doi's contributions have been recognized within the industry, highlighting his role as a key innovator.

Collaborations

Doi has collaborated with notable colleagues, including Tatsuo Moroe and Akira Komatsu. These partnerships have fostered an environment of innovation and creativity, leading to advancements in their respective fields.

Conclusion

Kiyosumi Doi's work in hydrocarbon production exemplifies the impact of innovation in modern science. His patent and collaborations reflect a commitment to advancing technology and improving processes in the industry.

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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