Sakai, Japan

Isamu Yamamoto

This inventor holds 2 USPTO granted patents. Top assignees: Idemitsu Petrochemical Co., Ltd., Showa Aluminum Corporation. Active years: 1992-1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Isamu Yamamoto. Retrieved from https://idiyas.com/inventor/isamu-yamamoto-bdcl8izh

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 = 4.8

ph-index = 2

Forward Citations = 47(Granted Patents)


Location History:

  • Sakai, JP (1992)
  • Ichihara, JP (1996)

Company Filing History:


Years Active: 1992-1996

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2 patents (USPTO):Explore Patents

Title: Isamu Yamamoto: Innovator in Polymer Technology

Introduction

Isamu Yamamoto is a notable inventor based in Sakai, Japan. He has made significant contributions to the field of polymer technology, particularly in the development of innovative materials for various applications. With a total of 2 patents, his work has had a considerable impact on the industry.

Latest Patents

Yamamoto's latest patents include a "Process for preparing ethylenic polymer composition" and a "Food packaging container." The first patent describes a method for creating an ethylenic polymer composition that boasts excellent physical properties, such as high impact resistance and environmental stress cracking resistance. This composition has an intrinsic viscosity ranging from 3.2 to 4.5 dl/g and a density between 0.943 g/cm³ and 0.958 g/cm³. The second patent focuses on a food packaging container made from a laminate sheet that includes a layer of aluminum foil and at least one thermoplastic resin layer. This container is designed to be deep-drawn with the resin layer inside, ensuring durability and effectiveness in food preservation.

Career Highlights

Throughout his career, Isamu Yamamoto has worked with prominent companies, including Idemitsu Petrochemical Co., Ltd. and Showa Aluminum Corporation. His experience in these organizations has allowed him to refine his skills and contribute to advancements in polymer technology.

Collaborations

Yamamoto has collaborated with notable colleagues such as Tsuyoshi Ohta and Hideo Kawai. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.

Conclusion

Isamu Yamamoto's contributions to polymer technology through his patents and collaborations highlight his role as an influential inventor in the field. His work continues to inspire advancements in materials science and 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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