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For the Inventor, By the Inventor

Tokyo, Japan

Yuzo Otani

This inventor holds 7 USPTO granted patents. Top assignees: Diafoil Company, Ltd., Diafoil Hoechst Company, Limited. Active years: 1989-1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yuzo Otani. Retrieved from https://idiyas.com/inventor/yuzo-otani

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

USPTO Granted Patents = 7

% Patents Active = 100.0

Average Co-Inventor Count = 3.8

ph-index = 6

Forward Citations = 94(Granted Patents)


Company Filing History:

goldMedal5 out of 59 
 
Diafoil Company, Ltd.
 patents
silverMedal2 out of 38 
 
Diafoil Hoechst Company, Limited
 patents

Years Active: 1989-1995

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7 patents (USPTO):Explore Patents
1. 5391429 - Polyester film (1995-02-21),
2. 5385768 - Electrically conductive film (1995-01-31),
3. 5206084 - Magnetic recording medium comprising an oriented polyester substrate, an (1993-04-27),
4. 5188891 - Magnetic recording medium comprising a polyester film substrate, a (1993-02-23),
5. 5082730 - Stretched polyester film having an antistatic coating comprising a (1992-01-21),
6. 4895830 - Sublimation type thermal ink transfer printing material (1990-01-23),
7. 4795672 - Magnetic recording medium (1989-01-03),

Title: Yuzo Otani: Innovator in Polyester Film Technology

Introduction

Yuzo Otani is a prominent inventor based in Tokyo, Japan, known for his significant contributions to the field of polyester film technology. With a total of seven patents to his name, Otani has developed innovative solutions that enhance the properties and applications of polyester films.

Latest Patents

Among his latest patents, Otani has created a polyester film that is biaxially oriented and features a coating layer on at least one surface. This coating layer contains at least 50% by weight of a water-soluble or water-dispersible polyester resin, which has a glass transition temperature of at least 20 degrees Celsius. This film is recognized for its excellent adhesion properties. Another notable invention is an electrically conductive polyester film, which comprises a polyester base film and a coating layer formed by applying a coating liquid. This coating liquid contains carbon black in an amount of 30-60% by weight of the solid content, resulting in a layer that exhibits good electric resistivity and light-shielding properties.

Career Highlights

Throughout his career, Yuzo Otani has worked with several companies, including Diafoil Company, Ltd. and Diafoil Hoechst Company, Limited. His work has significantly impacted the development of advanced polyester films, making them more versatile and effective for various applications.

Collaborations

Otani has collaborated with notable coworkers such as Naohiro Takeda and Nariaki Okajima, contributing to the advancement of polyester film technology through teamwork and shared expertise.

Conclusion

Yuzo Otani's innovative work in polyester film technology has led to the development of several patents that enhance the functionality and application of these materials. His contributions continue to influence the industry and pave the way for future advancements.

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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