Niihama, Japan

Hirotaka Ozaki

This inventor holds 7 USPTO granted patents and 2 published patent applications and 6 EPO patents. Top assignees: Sumitomo Chemical Company, Limited, Sumitomo Chemical Companylimited. Active years: 2013-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hirotaka Ozaki. Retrieved from https://idiyas.com/inventor/hirotaka-ozaki

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 = 71.4


Average Co-Inventor Count = 2.3

ph-index = 1

Forward Citations = 4(Granted Patents)


Company Filing History:


Years Active: 2013-2025

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7 patents (USPTO):Explore Patents

Title: Innovator Hirotaka Ozaki: Pioneering Advancements in Alumina Technology

Introduction

Hirotaka Ozaki, based in Niihama, Japan, is a notable inventor with a strong record of innovation in the field of materials science. With six registered patents to his name, his work primarily focuses on the development of alumina-based technologies, contributing significantly to advancements in battery production and manufacturing processes.

Latest Patents

Among Hirotaka Ozaki's latest patents are several key innovations:

1. **α-Alumina** - A significant innovation aimed at providing alumina used in slurries for achieving uniform surfaces on porous membranes.

2. **Slurry** - This patent describes an alumina slurry predominantly composed of alpha-alumina particles and water, meeting specific particle diameter distribution conditions and exhibiting the necessary viscosity for practical applications.

3. **Porous Membrane** - The advancements made in this area contribute to the efficiency and consistency of energy storage systems.

4. **Laminated Separator** - Innovations in laminated separators play a vital role in improving battery performance and safety.

5. **Nonaqueous Electrolyte Secondary Battery** - A method for producing this type of battery enhances energy density and longevity in battery technologies.

Career Highlights

Hirotaka Ozaki has enjoyed a successful career with esteemed organizations, including Sumitomo Chemical Company, Limited. His expertise and inventive mindset have allowed him to make significant contributions that have advanced the industry and improved product performance.

Collaborations

Throughout his career, Ozaki has worked alongside talented individuals, including Shinji Fujiwara and Yasuharu Kobashi. Their collaborations have fostered an environment of creativity and innovation, leading to the development of patented technologies that are crucial for modern applications.

Conclusion

Hirotaka Ozaki is a distinguished inventor whose work in alumina technology leaves a lasting impact on various industries, particularly in energy storage solutions. With a robust portfolio of patents, he continues to drive innovation, paving the way for future advancements in materials science. His endeavors exemplify the transformative power of inventive thinking in addressing modern challenges.

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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