Hiroshima, Japan

Yoshihiko Iwamoto

This inventor holds 5 USPTO granted patents and 1 published patent application and 2 EPO patents. Top assignees: The Japan Steel Works, Ltd., Hitachi Cable, Inc., Hitachi, Ltd.. Active years: 2009-2017.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshihiko Iwamoto. Retrieved from https://idiyas.com/inventor/yoshihiko-iwamoto

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

USPTO Granted Patents = 5 

% Patents Active = 100.0


Average Co-Inventor Count = 4.4

ph-index = 3

Forward Citations = 14(Granted Patents)


Company Filing History:


Years Active: 2009-2017

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5 patents (USPTO):Explore Patents

Title: Innovations of Yoshihiko Iwamoto

Introduction

Yoshihiko Iwamoto is a notable inventor based in Hiroshima, Japan. He has made significant contributions to the field of polymer processing and extruder technology. With a total of 5 patents to his name, Iwamoto's work has had a considerable impact on the industry.

Latest Patents

One of his latest patents is a vent assembly device for a twin-screw extruder. This device includes a vent assembly that features a vent opening and is integrated into the cylinder of a twin-screw extruder, which consists of a left axis-side screw and a right axis-side screw. The design allows for the size of the vent opening to be modified by utilizing multiple vent assembly units for a single vent opening. Another significant patent is a method of treating a polymer compound, which involves mixing and agitating the polymer compound with a chemical agent in an extruder while maintaining high temperature and pressure. This process results in a reaction mixture that is continuously supplied to a high-pressure container for further treatment and separation.

Career Highlights

Throughout his career, Yoshihiko Iwamoto has worked with prominent companies such as The Japan Steel Works, Ltd. and Hitachi Cable, Inc. His experience in these organizations has contributed to his expertise in the field of polymer technology and extruder systems.

Collaborations

Iwamoto has collaborated with notable colleagues, including Jun Kakizaki and Toshiharu Goto. These partnerships have likely enriched his work and led to innovative solutions in his projects.

Conclusion

Yoshihiko Iwamoto's contributions to the field of polymer processing and extruder technology are noteworthy. His innovative patents and collaborations reflect his dedication to advancing technology in this area.

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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