Tokushima, Japan

Yoshihiro Okada

This inventor holds 1 USPTO granted patent and 1 EPO patent. Top assignee: Otsuka Chemical Co., Ltd.. Active years: 2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshihiro Okada. Retrieved from https://idiyas.com/inventor/yoshihiro-okada-xpjbpdla

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 = 5.0

ph-index = 1


Company Filing History:


Years Active: 2020

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1 patent (USPTO):Explore Patents

Title: Inventor Spotlight: Yoshihiro Okada

Introduction

Yoshihiro Okada, located in Tokushima, Japan, is a distinguished inventor known for his contributions to the field of electric double layer capacitors. His innovative work has earned him recognition within the industry, particularly through his patented technology.

Latest Patents

Okada holds a significant patent for a nonaqueous electrolytic solution specifically designed for electric double layer capacitors. This invention offers an improved nonaqueous electrolytic solution that enhances the durability of these capacitors. The solution is prepared by dissolving a quaternary ammonium salt as an electrolyte in a nonaqueous solvent, with an alkali metal cation concentration ranging from 0.1 to 30 ppm. This patented technology represents a substantial advancement in the performance and longevity of electric double layer capacitors.

Career Highlights

Yoshihiro Okada’s career is marked by his role at Otsuka Chemical Co., Ltd., where he has been able to apply his expertise in material science and chemical engineering. His innovative mindset and strong commitment to research and development have positioned him favorably within the company and the broader technological community.

Collaborations

Throughout his career, Okada has worked alongside notable colleagues, including Yoshihisa Tokumaru and Taiji Nakagawa. These collaborations have been instrumental in furthering research in innovative solutions related to electrolytic processes and capacitor technology.

Conclusion

Yoshihiro Okada's contributions to the development of nonaqueous electrolytic solutions for electric double layer capacitors exemplify the spirit of innovation. His patent not only enhances the performance of these devices but also demonstrates the importance of research and collaboration in driving technological advancements. As the field continues to evolve, inventors like Okada play a crucial role in shaping the future of electronic components.

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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