This inventor holds 1 USPTO granted patent. Top assignee: Renesas Electronics America Inc.. Active years: 2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2026
Title: Xiwen Zhang: Battery-Charging Innovation
Introduction
Xiwen Zhang is an inventor based in Cary, North Carolina, whose patent work addresses voltage regulation in battery-charging devices. The available information identifies one patent associated with Zhang and lists Renesas Electronics America Inc. as his company.
Latest Patents
Zhang’s patent, “Current Spike Reduction in Battery Charging Devices,” describes apparatuses and methods for regulating a battery charger’s system rail voltage. An integrated circuit detects when trickle-charge mode should be activated and sets a reference voltage to an intermediate level above the system rail’s minimum. It then reduces the reference voltage to the minimum at a predefined rate, helping regulate the system rail voltage and reduce current spikes. Zhang is credited with 1 patent in the information provided.
Career Highlights
The patent reflects Zhang’s work on battery-charger control and voltage regulation. His listed company is Renesas Electronics America Inc.
Collaborations
Zhang’s listed coworker is Sivaprakash Kannan, who is identified as a woman. The available information does not specify her role in the patent or the nature of their collaboration.
Conclusion
Xiwen Zhang’s documented patent focuses on controlling system rail voltage during trickle charging, with the aim of reducing current spikes in battery-charging devices.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile