Niihama, Japan

Hajime Yoshino

This inventor holds 13 USPTO granted patents and 1 EPO patent. Top assignee: Sumitomo Chemical Company, Limited. Active years: 2013-2017.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hajime Yoshino. Retrieved from https://idiyas.com/inventor/hajime-yoshino

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile


% Patents Active = 53.8


Average Co-Inventor Count = 2.6

ph-index = 6

Forward Citations = 53(Granted Patents)


Company Filing History:


Years Active: 2013-2017

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13 patents (USPTO):Explore Patents

Title: Hajime Yoshino: Innovator in Honeycomb Structures and Extrusion-Molding Technology

Introduction

Hajime Yoshino is a prominent inventor based in Niihama, Japan. He has made significant contributions to the field of materials science, particularly in the development of innovative honeycomb structures and extrusion-molding devices. With a total of 13 patents to his name, Yoshino continues to push the boundaries of engineering and manufacturing.

Latest Patents

One of his latest patents involves a unique honeycomb structure. This cylindrical design features partition walls that create A channels and B channels. The A channels are open at one end and closed at the other, while the B channels are closed at one end and open at the other. The design includes a first B channel and a second B channel that run parallel to each other. Additionally, the A channels consist of first A channels surrounding the first B channel and second A channels surrounding the second B channel at the first end surface. The partition wall incorporates a first group partition wall that separates adjacent channels of the first and second A channels.

Another notable patent is for an extrusion-molding device and method for producing molded bodies. This device includes a flow passage for transporting a paste raw material composition, a screw for kneading and transporting the material, and a die for extruding the molded body. A resistive tube connects the flow passage and the die, while a current plate with multiple through-holes is positioned between the screw and the die. The design of the current plate allows for efficient material flow and molding.

Career Highlights

Hajime Yoshino is currently employed at Sumitomo Chemical Company, Limited, where he applies his expertise in materials science to develop innovative solutions. His work has significantly impacted the manufacturing processes within the company, enhancing product quality and efficiency.

Collaborations

Yoshino has collaborated with notable colleagues, including Teruo Komori and Kentaro Iwasaki. These partnerships have fostered a creative environment that encourages the exchange of ideas and advancements in technology.

Conclusion

Hajime Yoshino is a distinguished inventor whose work in honeycomb structures and extrusion-molding technology has made a lasting impact on the industry. His innovative patents and collaborations continue to inspire advancements in materials science and engineering.

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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