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For the Inventor, By the Inventor

Kyoto, Japan

Yuichi Okada

This inventor holds 4 USPTO granted patents and 1 EPO patent. Top assignee: Japan Storage Battery Co., Ltd.. Active years: 2001-2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yuichi Okada. Retrieved from https://idiyas.com/inventor/yuichi-okada-cmtrzoi9

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

USPTO Granted Patents = 4

% Patents Active = 75.0

 

Average Co-Inventor Count = 2.1

ph-index = 2

Forward Citations = 31(Granted Patents)


Company Filing History:

goldMedal4 out of 156 
 
Japan Storage Battery Co., Ltd.
 patents

Years Active: 2001-2003

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4 patents (USPTO):Explore Patents
1. 6620551 - Positive plate current collector for lead storage battery and lead storage battery comprising the same (2003-09-16),
2. 6495288 - Lead-acid battery having tin in positive active material and silica in separator (2002-12-17),
3. 6225005 - Lead-acid battery and producing method thereof (2001-05-01),
4. 6169386 - Method for charging lead-acid battery and charging apparatus using the method (2001-01-02),

Title: Yuichi Okada: Innovator in Lead Storage Battery Technology

Introduction

Yuichi Okada is a prominent inventor based in Kyoto, Japan. He has made significant contributions to the field of lead storage batteries, holding a total of 4 patents. His work focuses on enhancing the efficiency and performance of lead-acid batteries, which are widely used in various applications.

Latest Patents

Okada's latest patents include innovative designs for lead storage batteries. One notable patent is for a positive plate current collector for lead storage batteries. Another significant invention involves a lead-acid battery that incorporates tin in the positive active material and silica in the separator. This design specifies that the positive active material should contain tin in an amount ranging from not less than 0.2% to not more than 5% based on its weight. Additionally, the density of the positive active material after formation is required to be between 3.75 g/cc and 5.0 g/cc. The production process for this lead-acid battery also outlines a specific time frame between the injection of an electrolyte and the beginning of battery container formation, which should be from not less than 0.1 hours to not more than 3 hours.

Career Highlights

Throughout his career, Okada has worked with notable companies in the battery industry, including Japan Storage Battery Co., Ltd. and GS Yuasa International Ltd. His expertise in battery technology has positioned him as a key figure in the development of advanced lead-acid batteries.

Collaborations

Okada has collaborated with several professionals in his field, including Masaaki Shiomi and Tadashi Shiroya. These collaborations have contributed to the advancement of battery technology and innovation.

Conclusion

Yuichi Okada's contributions to lead storage battery technology are noteworthy, with several patents that enhance the performance and efficiency of lead-acid batteries. His work continues to influence the industry and drive innovation in battery technology.

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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