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For the Inventor, By the Inventor

Yokohama, Japan

Hisao Iwamoto

This inventor holds 5 USPTO granted patents and 1 EPO patent. Top assignee: Toyo Seikan Kaisha, Ltd.. Active years: 1987-2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hisao Iwamoto. Retrieved from https://idiyas.com/inventor/hisao-iwamoto-l6kv4e4h

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

Calculating rank
USPTO Granted Patents = 5

% Patents Active = 60.0


Average Co-Inventor Count = 4.5

ph-index = 3

Forward Citations = 49(Granted Patents)


Company Filing History:

goldMedal5 out of 586 
 
Toyo Seikan Kaisha, Ltd.
 patents

Years Active: 1987-2010

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5 patents (USPTO):Explore Patents
1. 7833467 - Polyester container having excellent heat resistance and shock resistance and method of producing the same (2010-11-16),
2. 7655179 - Heat-resistant resin container and method of producing the same (2010-02-02),
3. 4984708 - Redrawing method and drawn-redrawn can (1991-01-15),
4. 4962659 - Redrawing method (1990-10-16),
5. 4686152 - Packaging material comprising iron foil, and container and container lid (1987-08-11),

Title: Hisao Iwamoto: Innovator in Polyester Container Technology

Introduction

Hisao Iwamoto is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of materials science, particularly in the development of polyester containers. With a total of 5 patents to his name, Iwamoto's work focuses on enhancing the performance and durability of plastic containers.

Latest Patents

Iwamoto's latest patents include innovative designs for polyester containers that exhibit excellent heat resistance and shock resistance. One notable patent describes a polyester container obtained by stretch-forming a preform of a thermoplastic polyester resin. This container features a central portion of the bottom wall that is thicker than the surrounding area, which is oriented and crystallized, resulting in superior performance characteristics. Another patent details a heat-resistant resin container with a flange that maintains excellent transparency while providing impact resistance, showcasing Iwamoto's commitment to advancing container technology.

Career Highlights

Iwamoto is currently employed at Toyo Seikan Kaisha, Ltd., a leading company in the packaging industry. His work at the company has allowed him to focus on innovative solutions that meet the demands of modern packaging needs. His expertise in polyester materials has positioned him as a key figure in the development of advanced container technologies.

Collaborations

Iwamoto has collaborated with notable colleagues such as Ryo Suenaga and Tsutomu Iwasaki. These partnerships have fostered a creative environment that encourages the exchange of ideas and the development of groundbreaking technologies.

Conclusion

Hisao Iwamoto's contributions to polyester container technology have significantly impacted the packaging industry. His innovative designs and patents reflect a deep understanding of material properties and their applications. Iwamoto continues to be a driving force in the advancement of durable and efficient packaging solutions.

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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