Tokyo, Japan

Ryuzi Izawa

This inventor holds 2 USPTO granted patents. Top assignee: Niigata Engineering Co., Ltd.. Active years: 2000-2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ryuzi Izawa. Retrieved from https://idiyas.com/inventor/ryuzi-izawa

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 = 10.0

ph-index = 2

Forward Citations = 33(Granted Patents)


Company Filing History:


Years Active: 2000-2001

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2 patents (USPTO):Explore Patents

Title: Ryuzi Izawa: Innovator in Paving Technology

Introduction

Ryuzi Izawa is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of paving technology, holding a total of 2 patents. His innovative approaches have led to advancements in paving methods and machinery, enhancing the durability and efficiency of road construction.

Latest Patents

Izawa's latest patents include a paving method and a paving machine. The paving method focuses on preventing durable paving materials from dropping onto the center band of a road, ensuring that they are effectively spread onto the two bands where vehicles make contact. This method allows for the simultaneous laying of two types of paving materials, resulting in a high-durability pavement constructed at a low cost. The paving machine patent describes a loading apparatus that features a loading feeder connected to a receiving hopper, with a design that allows for the controlled discharge of materials. This innovation enhances the efficiency of the paving process by ensuring that materials are properly loaded and distributed.

Career Highlights

Ryuzi Izawa is associated with Niigata Engineering Co., Ltd., where he has applied his expertise in paving technology. His work has been instrumental in developing advanced machinery that meets the demands of modern road construction.

Collaborations

Izawa has collaborated with notable coworkers, including Hidenori Yasu and Tatsuoki Inagaki. Their combined efforts have contributed to the successful development of innovative paving solutions.

Conclusion

Ryuzi Izawa's contributions to paving technology through his patents and collaborations have significantly impacted the industry. His work continues to pave the way for advancements in road construction methods and machinery.

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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