Location History:
- Hyogo, JP (2020)
- Kyoto, JP (2011 - 2022)
Company Filing History:
Years Active: 2011-2022
Title: **Hidekazu Tamai: A Pioneer in Advanced Battery Technologies**
Introduction
Hidekazu Tamai, an innovative inventor based in Kyoto, Japan, has made significant contributions to the field of nonaqueous electrolyte secondary batteries. With a total of three patents under his name, he has played a pivotal role in advancing battery technology, which is essential for modern electrical devices and vehicles.
Latest Patents
Tamai's most recent patents showcase his expertise in battery technologies. One notable invention is titled "Separator for nonaqueous electrolyte secondary batteries," which focuses on a separator that is critical to the performance and safety of batteries. This separator consists of a porous resin sheet featuring a three-layer structure—an A-layer, a B-layer, and a C-layer. Notably, the thermal expansion coefficients of the A-layer and C-layer exhibit a significant difference compared to the B-layer, optimizing battery performance under varying temperatures.
Another important patent is the "Positive electrode active material and nonaqueous electrolyte secondary battery." This invention offers a positive electrode active material designed to minimize the reduction of battery capacity and gas generation when stored at high temperatures in a charged state. The active material includes lithium transition metal oxide particles with specific halogen and rare-earth compound configurations, ensuring enhanced performance and longevity.
Career Highlights
Throughout his career, Hidekazu Tamai has worked with industry leaders such as Sanyo Electric Co., Ltd. and Panasonic Corporation. His time at these companies has allowed him to apply his inventive ideas in practical settings, contributing to the advancement of battery technology on a larger scale.
Collaborations
During his inventive journey, Tamai has collaborated with notable colleagues, including Tetsuo Nanno and Taizou Sunano. Their collective expertise has helped foster a dynamic environment that encourages innovation and pushes the boundaries of what is possible in battery technology.
Conclusion
Hidekazu Tamai's work exemplifies the spirit of innovation in the field of battery technology. With his substantial contributions and ongoing commitment to developing advanced solutions, he continues to inspire future generations of inventors and researchers. As technology evolves, Tamai's inventions stand as a testament to the importance of innovation in enhancing the efficiency and reliability of energy storage systems.