Location History:
- Tokyo, JP (1995 - 1996)
- Chiba, JP (1997)
Company Filing History:
4 out of 2,899 
3 out of 26 Years Active: 1995-1997
Title: Seiji Yahagi: Innovator in Non-Aqueous Electrolyte Secondary Batteries
Introduction
Seiji Yahagi is a prominent inventor based in Tokyo, Japan, known for his significant contributions to the field of battery technology. With a total of four patents to his name, Yahagi has focused on developing advanced non-aqueous electrolyte secondary batteries that enhance performance and longevity.
Latest Patents
Yahagi's latest patents include innovative designs for non-aqueous electrolyte secondary batteries. One of his notable inventions features a negative electrode composed of lithium or materials capable of absorbing and releasing lithium, paired with a lithium-ion conductive non-aqueous electrolyte and a positive electrode. The positive electrode's active material is represented by a complex composition formula, which includes various metalloid elements and transition metals, ensuring high efficiency and stability. Another patent describes a method of producing a non-aqueous electrolyte secondary battery that utilizes a composite oxide containing lithium, which significantly improves the battery's charging and discharging capacity while extending its cycle life.
Career Highlights
Throughout his career, Seiji Yahagi has worked with reputable companies such as Seiko Instruments Inc. and Seiko Electronic Components Ltd. His experience in these organizations has allowed him to refine his expertise in battery technology and contribute to groundbreaking innovations in the field.
Collaborations
Yahagi has collaborated with notable colleagues, including Kensuke Tahara and Hideki Ishikawa. Their combined efforts have led to advancements in battery technology and have further established Yahagi's reputation as a leading inventor in this domain.
Conclusion
Seiji Yahagi's work in non-aqueous electrolyte secondary batteries showcases his innovative spirit and dedication to improving energy storage solutions. His patents reflect a commitment to advancing technology that benefits various applications in the modern world.