Ichihara, Japan

Masanobu Ishiyama

This inventor holds 5 USPTO granted patents. Top assignees: Mitsui Petrochemical Industries, Ltd., Japan Atomic Energy Institute, Yoshino Kogyosho Co., Ltd.. Active years: 1987-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masanobu Ishiyama. Retrieved from https://idiyas.com/inventor/masanobu-ishiyama

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


% Patents Active = 100.0

Average Co-Inventor Count = 6.0

ph-index = 4

Forward Citations = 123(Granted Patents)


Location History:

  • Iwakuni, JP (1987)
  • Ichihara, JP (1992 - 1998)

Company Filing History:


Years Active: 1987-1998

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5 patents (USPTO):Explore Patents

Title: Masanobu Ishiyama: Innovator in Squeezable Tubular Container Technology

Introduction

Masanobu Ishiyama is a notable inventor based in Ichihara, Japan. He has made significant contributions to the field of packaging technology, particularly with his innovations in squeezable tubular containers. With a total of 5 patents to his name, Ishiyama's work has had a considerable impact on the industry.

Latest Patents

Ishiyama's latest patent focuses on a squeezable tubular container and the process for its production. This innovative container is formed from a composition that includes polyethylene with a density ranging from 0.900 to 0.975 g/cm³, along with an ethylene/α-olefin copolymer that has a density lower than 0.900 g/cm³. The container features crosslinking achieved through electron beam irradiation, making it sterilizable at high temperatures. Additionally, it can be heat-sealed or ultrasonically sealed, enhancing its usability in various applications.

Career Highlights

Throughout his career, Ishiyama has worked with prominent companies such as Mitsui Petrochemical Industries, Ltd. and Yoshino Kogyosho Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to advancements in packaging technology.

Collaborations

Ishiyama has collaborated with notable colleagues, including Mamoru Kioka and Keizo Makuuchi. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.

Conclusion

Masanobu Ishiyama's contributions to the field of squeezable tubular containers demonstrate his commitment to innovation and excellence. His patents reflect a deep understanding of materials and processes that enhance 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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