Yamato, Japan

Ryuzo Watari

This inventor holds 3 USPTO granted patents. Top assignees: Chiyoda Chemical Engineering Construction Co., Ltd., Fuji Oil Company Limited, Fuji Standard Research, Inc.. Active years: 1984-1989.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ryuzo Watari. Retrieved from https://idiyas.com/inventor/ryuzo-watari

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 = 3

Forward Citations = 28(Granted Patents)


Company Filing History:


Years Active: 1984-1989

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3 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Ryuzo Watari

Introduction

Ryuzo Watari is a notable inventor based in Yamato, Japan. He has made significant contributions to the field of petroleum processing, particularly through his innovative methods of thermally cracking heavy petroleum oils and hydrocarbons. With a total of 3 patents to his name, Watari's work has had a considerable impact on the industry.

Latest Patents

Watari's latest patents include a process for thermally cracking heavy petroleum oil. This process involves treating heavy petroleum oil successively in a cracking furnace and a perfect mixing type tank reactor. The thermal cracking in the furnace is performed at temperatures between 450°C and 520°C, achieving a conversion rate of 60-75%. The subsequent thermal cracking in the tank reactor occurs at temperatures of 400°C to 450°C, under specific pressure conditions, while steam is introduced to enhance the process.

Another significant patent by Watari is the process of thermally cracking heavy hydrocarbon oils. In this method, a heavy hydrocarbon feedstock is heat-treated in a first cracking zone before being introduced into a second thermal cracking zone. This innovative approach allows for the production of both a thermally cracked product and a pitch product, utilizing a series of connected cracking reactors to optimize the thermal cracking process.

Career Highlights

Throughout his career, Ryuzo Watari has worked with prominent companies such as Fuji Oil Company Limited and Fuji Standard Research, Inc. His experience in these organizations has allowed him to refine his expertise in petroleum processing and contribute to advancements in the field.

Collaborations

Watari has collaborated with notable colleagues, including Toru Takatsuka and Shimpei Gomi. These partnerships have fostered a collaborative environment that has led to innovative solutions in petroleum processing.

Conclusion

Ryuzo Watari's contributions to the field of petroleum processing through his innovative patents demonstrate his expertise and commitment to advancing technology. His work continues to influence the industry and pave the way for future innovations.

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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