Kanagawa, Japan

Toshinari Takeyama

This inventor holds 1 USPTO granted patent and 1 published patent application. Top assignees: The Japan Steel Works, Ltd., Yachiyo Industry Co., Ltd.. Active years: 2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshinari Takeyama. Retrieved from https://idiyas.com/inventor/toshinari-takeyama

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

Calculating rank
USPTO Granted Patents = 1 

% Patents Active = 100.0

Average Co-Inventor Count = 5.0

ph-index = 1


Company Filing History:


Years Active: 2019

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1 patent (USPTO):Explore Patents

Title: Toshinari Takeyama: Innovator in Parison Guide Technology

Introduction

Toshinari Takeyama is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of extrusion technology, particularly with his innovative designs that enhance manufacturing processes. His work has led to the development of a unique parison guide that improves the flatness of parisons during production.

Latest Patents

Toshinari Takeyama holds 1 patent for his invention of a parison guide. This device is designed to guide a parison, which has an arc shape in horizontal cross-section, as it is discharged from an extrusion apparatus. The parison guide is fixed to the discharge-side end portion of the extrusion apparatus and features a contact face that comes into contact with and guides the edge portion of the parison to flatten it. The contact face includes a curved surface, with a curvature that decreases in the discharge direction, thereby enhancing the overall quality of the parison.

Career Highlights

Throughout his career, Toshinari Takeyama has worked with prominent companies in the industry. He has been associated with Yachiyo Industry Co., Ltd. and The Japan Steel Works, Ltd. His experience in these organizations has allowed him to refine his skills and contribute to advancements in manufacturing technologies.

Collaborations

Toshinari has collaborated with notable coworkers, including Kunihiko Kondo and Kazuhiro Ohtaki. Their combined expertise has fostered an environment of innovation and creativity, leading to the successful development of new technologies.

Conclusion

Toshinari Takeyama's contributions to the field of extrusion technology, particularly through his parison guide invention, demonstrate his commitment to innovation. His work continues to influence manufacturing processes, showcasing the importance of inventive solutions in 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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