Clay Hajime Kishiyama

Title: Innovations and Contributions of Clay Hajime Kishiyama

Introduction

Clay Hajime Kishiyama, based in San Mateo, California, is a prolific inventor with an impressive portfolio of 45 patents. His work primarily revolves around advancements in battery technology, focusing on safety and performance enhancements in lithium-ion batteries. This article delves into his latest patents, career highlights, and collaborations with key figures in the industry.

Latest Patents

Clay’s recent innovations include a **Methodology for Charging Batteries Safely**, which involves an apparatus and method that identifies the presence of a short circuit in a battery pack. This fault-detection system rapidly charges interconnected lithium-ion battery cells while employing a data-acquisition system to monitor various parameters. The monitoring system evaluates these parameters to detect anomalies, and a controller establishes an internal-short state when needed, ensuring safety during the charging process.

Another significant patent is for a **Lithium-Ion Battery Capable of Being Discharged to Zero Volts**. This innovative battery design allows for discharge to a very low voltage—up to zero volts—without incurring permanent damage. It features a Zero Volt Crossing Potential (ZCP) that is lower than the Damage Potential Threshold (DPT), representing a notable advancement in battery longevity and safety.

Career Highlights

Clay Kishiyama has made substantial contributions to the field throughout his career. He has worked with leading companies such as Quallion LLC and Tesla Motors, Inc., where his focus on battery technology has further propelled the industry forward. His expertise and innovative spirit have resulted in numerous advancements that benefit both consumer products and specialized applications.

Collaborations

In the course of his career, Clay has collaborated with notable coworkers such as Hisashi Tsukamoto and Kurt Russell Kelty. These partnerships highlight his ability to work alongside other talented individuals, fostering an environment of creativity and shared vision in the pursuit of technological progress.

Conclusion

Clay Hajime Kishiyama's dedication to innovation in battery technology has led to significant advancements that ensure improved safety and efficiency. His extensive patent portfolio exemplifies his commitment to enhancing the performance of lithium-ion batteries. As he continues to innovate, his work will likely influence future developments in the industry, solidifying his status as a leading inventor in this crucial field.