Location History:
- Sendai, JP (2013)
- Minato-ku, JP (2015)
- Kanagawa, JP (2016)
- Tokyo, JP (2002 - 2019)
Company Filing History:
17 out of 35,658 
5 out of 92 Years Active: 2002-2019
Title: Tatsuji Numata: A Pioneer in Lithium-Ion Battery Technology
Introduction
Tatsuji Numata, based in Tokyo, Japan, is a notable inventor with a remarkable portfolio comprising 19 patents. His innovations, particularly in the field of lithium-ion battery technology, have had significant impacts on the energy storage sector. Through his work, he has contributed to enhancing battery performance, which is crucial for various applications, including consumer electronics and electric vehicles.
Latest Patents
One of Numata's latest patents focuses on a "Lithium Ion Secondary Battery." The invention outlines a battery assembly where a positive electrode and a negative electrode are strategically stacked through a separator. This innovative design aims to enhance charge and discharge cycle properties. The negative electrode includes a collector made from metal and an active material layer that ensures optimal performance. Notably, he has also patented a "System and Method for Detecting a State of a Lithium Secondary Battery." This technology involves measuring the voltage of a negative electrode that utilizes silicon oxide as an active material. By generating a V−dQ/dV curve, this system can accurately assess the state of the battery, thus improving reliability and efficiency.
Career Highlights
Throughout his career, Tatsuji Numata has worked with prominent companies such as NEC Corporation and NEC Energy Devices, Ltd. His roles in these organizations have allowed him to bring forth innovative ideas and solutions that push the boundaries of lithium-ion technology. His extensive experience has played a vital role in his success as an inventor.
Collaborations
Numata has collaborated with talented professionals in his field, notably Daisuke Kawasaki and Jiro Iriyama. These partnerships have fostered a synergistic exchange of ideas and expertise, further enriching Numata's contributions to battery technology and innovation.
Conclusion
Tatsuji Numata's forward-thinking approach and dedication to improving lithium-ion technology have positioned him as a key figure in the industry. With numerous patents reflecting his innovative spirit, he continues to shape the future of energy storage solutions. His passion for invention and collaboration with others highlights the importance of teamwork in driving technological advancements.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.