Yokkaichi, Japan

Akio Kiyohara

This inventor holds 3 USPTO granted patents. Top assignees: Toyo Soda Manufacturing Co., Ltd., Tosoh Corporation. Active years: 1987-1989.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Akio Kiyohara. Retrieved from https://idiyas.com/inventor/akio-kiyohara

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 = 4.6

ph-index = 1

Forward Citations = 1(Granted Patents)


Company Filing History:


Years Active: 1987-1989

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3 patents (USPTO):Explore Patents

Title: Akio Kiyohara: Innovator in Hydrocarbon Resin Production

Introduction

Akio Kiyohara is a notable inventor based in Yokkaichi, Japan. He has made significant contributions to the field of hydrocarbon resin production, holding a total of 3 patents. His innovative processes have advanced the methods of producing high-quality hydrocarbon materials.

Latest Patents

Kiyohara's latest patents include a process for producing a light color high softening point hydrocarbon. This process involves polymerizing an oil fraction obtained from a gas phase in a fractionating tower during the fractional distillation of a feed oil fraction. The boiling point of this oil fraction ranges from 140°C to 280°C and is selected from cracked oil fractions derived from the thermal cracking of petroleum. Another significant patent is for a process that produces a hydrocarbon resin using a Friedel-Crafts catalyst. This process polymerizes a mixture that includes a residual fraction from petroleum decomposition and phenol or its derivatives.

Career Highlights

Throughout his career, Kiyohara has worked with prominent companies such as Toyo Soda Manufacturing Co., Ltd. and Tosoh Corporation. His work in these organizations has allowed him to refine his expertise in hydrocarbon resin production and contribute to various innovative projects.

Collaborations

Kiyohara has collaborated with notable colleagues, including Yasushi Sakai and Michio Saito. These partnerships have fostered a creative environment that has led to advancements in their respective fields.

Conclusion

Akio Kiyohara's contributions to hydrocarbon resin production through his innovative patents and collaborations highlight his importance in the field. His work continues to influence the industry and pave the way for future 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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