Kanagawa, Japan

Ichiro Sakamoto

This inventor holds 4 USPTO granted patents. Top assignees: Toa Nenryo Kogyo Kabushiki Kaisha, Tonen Sekiyukagaku K.k.. Active years: 1991-1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ichiro Sakamoto. Retrieved from https://idiyas.com/inventor/ichiro-sakamoto-ae1eky30

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 = 5.7

ph-index = 4

Forward Citations = 63(Granted Patents)


Company Filing History:


Years Active: 1991-1992

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4 patents (USPTO):Explore Patents

Title: Ichiro Sakamoto: Innovator in Oriented Polyethylene Film Technology

Introduction

Ichiro Sakamoto is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of materials science, particularly in the development of oriented polyethylene films. With a total of four patents to his name, Sakamoto's work has had a considerable impact on packaging technology.

Latest Patents

Sakamoto's latest patents include an innovative oriented polyethylene film that boasts excellent moistureproofness and optical properties. This film features a uniform or inwardly decreasing degree of crosslinking across its thickness. The composition of this film consists of 50 to 90% by weight of polyethylene with a density of at least 0.935 g/cm³ and a high load melt index to melt index ratio of at most 100, along with 50 to 10% by weight of a petroleum resin or linear low-density polyethylene. Another significant patent involves the production of oriented polyethylene films that exhibit specific elongation and strength, making them ideal for packaging applications. These films are produced by longitudinally stretching a polyethylene resin sheet, which has a decreasing degree of crosslinking across its thickness, at a draw ratio of at least five times at a temperature not exceeding the melting point of the resin.

Career Highlights

Throughout his career, Ichiro Sakamoto has worked with prominent companies such as Toa Nenryo Kogyo and Tonen Sekiyukagaku. His experience in these organizations has allowed him to refine his expertise in polymer technology and film production.

Collaborations

Sakamoto has collaborated with notable colleagues, including Yasushi Itaba and Yutaka Yoshifuji. These partnerships have contributed to the advancement of his research and the successful development of his patented technologies.

Conclusion

Ichiro Sakamoto's innovative work in oriented polyethylene film technology has established him as a key figure in the field. His patents reflect a commitment to enhancing packaging materials, demonstrating the importance of innovation in materials science.

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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