Hitachinaka, Japan

Yoshitaka Watahiki

This inventor holds 5 USPTO granted patents and 3 published patent applications and 2 EPO patents. Top assignee: Vehicle Energy Japan Inc.. Active years: 2023-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshitaka Watahiki. Retrieved from https://idiyas.com/inventor/yoshitaka-watahiki

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

USPTO Granted Patents = 5 

% Patents Active = 100.0

 

Average Co-Inventor Count = 3.3

ph-index = 1


Company Filing History:


Years Active: 2023-2025

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5 patents (USPTO):Explore Patents

Title: Innovations by Yoshitaka Watahiki

Introduction

Yoshitaka Watahiki is a notable inventor based in Hitachinaka, Japan. He has made significant contributions to the field of battery technology, holding a total of five patents. His work focuses on enhancing the safety and efficiency of battery modules, which are crucial for various applications in modern technology.

Latest Patents

Watahiki's latest patents include a battery module designed to suppress failures in the accurate detection of the state of battery cells. This innovative module features a plurality of battery cells that are stacked and disposed, along with a wiring member that detects the state of these cells. The wiring member consists of an insulating base material, a wiring layer with multiple detection lines, and a ground layer, all strategically arranged to improve functionality. Another patent focuses on a battery module that enhances safety compared to conventional designs. This module includes multiple battery cells and busbars that connect to external terminals. The busbars are equipped with a fuse placed at the current-carrying portion, which surrounds the fuse to ensure safety during operation.

Career Highlights

Watahiki is currently employed at Vehicle Energy Japan Inc., where he continues to innovate in the field of battery technology. His work has been instrumental in advancing the safety and reliability of battery systems, which are essential for electric vehicles and other applications.

Collaborations

Some of Watahiki's notable coworkers include Kazunori Ojima and Osamu Kubota. Their collaborative efforts contribute to the ongoing development of cutting-edge battery technologies.

Conclusion

Yoshitaka Watahiki's contributions to battery technology through his innovative patents highlight his role as a leading inventor in the field. His work not only improves the safety and efficiency of battery modules but also paves the way for future advancements 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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