This inventor holds 2 USPTO granted patents and 2 published patent applications. Top assignee: Mitsubishi Electric Corporation. Active years: 2025.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2025
Title: Seiji Hirai: Innovator in Battery Technology
Introduction
Seiji Hirai is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of battery technology, holding a total of 2 patents. His work focuses on improving battery performance and diagnostics, which is crucial in today's technology-driven world.
Latest Patents
Hirai's latest patents include a battery deterioration diagnosis device and a battery deterioration diagnosis method. The battery deterioration diagnosis device operates by monitoring the temperature of a battery as it rises to a predetermined diagnosis temperature. A charge/discharge control unit manages the charging or discharging of the battery, while a current-voltage detection unit measures the current and voltage during this process. The differential voltage calculation unit then computes the differential voltage based on the detected values, allowing the deterioration state estimation unit to assess the battery's condition based on changes in the calculated differential voltage.
Another notable patent is the power supply device and battery pack charging method. This device features a battery pack composed of multiple battery units, each equipped with a first and second terminal. It includes a capacitor connected in parallel with the battery pack and a current adjusting circuit that regulates the current to the load. The device intelligently manages the current flow to the battery pack, ensuring optimal charging and performance.
Career Highlights
Seiji Hirai is currently employed at Mitsubishi Electric Corporation, where he continues to innovate in the field of battery technology. His work has been instrumental in advancing the capabilities of battery systems, making them more efficient and reliable.
Collaborations
Hirai collaborates with talented colleagues such as Daigo Takemura and Tomoki Takegami. Their combined expertise fosters a creative environment that drives innovation in battery technology.
Conclusion
Seiji Hirai's contributions to battery technology through his patents and work at Mitsubishi Electric Corporation highlight his role as a key innovator in the field. His advancements are paving the way for more efficient energy solutions in various applications.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile