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For the Inventor, By the Inventor

Shizuoka, Japan

Tomohiro Kawaguchi

This inventor holds 4 USPTO granted patents. Top assignee: Yazaki Corporation. Active years: 2003-2006.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tomohiro Kawaguchi. Retrieved from https://idiyas.com/inventor/tomohiro-kawaguchi-xpypvn61

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

Calculating rank
USPTO Granted Patents = 4

Average Co-Inventor Count = 3.3

ph-index = 4

Forward Citations = 27(Granted Patents)


Company Filing History:

goldMedal4 out of 8,397 
 
Yazaki Corporation
 patents

Years Active: 2003-2006

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4 patents (USPTO):Explore Patents
1. 7034504 - Battery status monitoring apparatus which monitors internal battery resistance, saturation polarization detecting method and dischargeable capacity detecting method (2006-04-25),
2. 6794876 - Method and device for estimating open circuit voltage of battery (2004-09-21),
3. 6624636 - Method and apparatus for estimating terminal voltage of battery, method and apparatus for computing open circuit voltage of battery, and method and apparatus for computing battery capacity (2003-09-23),
4. 6518735 - Method and apparatus for measuring pure resistance of in-vehicle battery (2003-02-11),

Title: Tomohiro Kawaguchi: Innovator in Battery Technology

Introduction

Tomohiro Kawaguchi is a prominent inventor based in Shizuoka, Japan. He has made significant contributions to the field of battery technology, holding a total of 4 patents. His work focuses on enhancing battery monitoring and performance, which is crucial in today's technology-driven world.

Latest Patents

Kawaguchi's latest patents include a battery status monitoring apparatus that effectively monitors internal battery resistance. This innovative device utilizes a microcomputer to track voltage drops due to internal resistance during battery discharge. It also features a saturation polarization detecting method and a dischargeable capacity detecting method. These advancements allow for accurate assessments of battery status, charging states, and dischargeable capacity.

Another notable patent is a method and device for estimating the open circuit voltage of a battery. This device measures the terminal voltage of the battery in an open circuit state after charging or discharging. It collects this data over specific cycles and computes an assumed open circuit voltage based on the collected terminal voltage. This method enhances the understanding of battery performance over time.

Career Highlights

Kawaguchi is currently employed at Yazaki Corporation, where he continues to innovate in the field of battery technology. His work has been instrumental in developing solutions that improve battery efficiency and reliability.

Collaborations

Throughout his career, Kawaguchi has collaborated with notable colleagues, including Youichi Arai and Hideaki Kamohara. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Tomohiro Kawaguchi's contributions to battery technology through his patents and work at Yazaki Corporation highlight his role as a key innovator in the field. His advancements in battery monitoring and performance are paving the way for future developments in energy storage solutions.

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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