Inventors with similar research interests:
Location History:
- Neyagawa, JP (1989)
- Takatsuki, JP (1992 - 1993)
- Yawata, JP (1995 - 1999)
- Kyoto, JP (1995 - 1999)
- Ibaragi, JP (2001)
- Ibaraki, JP (1997 - 2006)
- Kadoma, JP (2009)
- Hirakata, JP (1998 - 2010)
- Osaka, JP (1988 - 2017)
Company Filing History:
49 out of 27,375 
26 out of 16,453 
18 out of 655 
Years Active: 1988-2017
Title: Eiji Fujii: Innovator in All-Solid Lithium Secondary Batteries
Introduction
Eiji Fujii, based in Osaka, Japan, is a prolific inventor with a remarkable portfolio of 110 patents. His innovations primarily focus on advanced battery technology, particularly in the realm of all-solid lithium secondary batteries. Fujii’s work has significantly contributed to the development of more efficient and safer energy storage solutions.
Latest Patents
Eiji Fujii’s latest patents include groundbreaking designs for all-solid lithium secondary batteries. An exemplary patent describes a configuration comprising a positive electrode featuring a positive-electrode active substance layer, a negative electrode, and a solid electrolyte layer. The positive-electrode active substance layer utilizes lithium cobaltate and showcases an α-NaFeO type crystal structure. This innovative design includes both lower and upper layers oriented uniquely in the (110) and (018) planes, enhancing battery performance. Furthermore, the solid electrolyte layer is composed of lithium lanthanum titanate, structured in either a tetragonal perovskite-type configuration, oriented in the (110) or (102) plane, to optimize energy efficiency.
Career Highlights
Eiji Fujii’s career has been marked by notable positions at leading companies in the electronics and energy sectors, including Matsushita Electric Industrial Co., Ltd. and Panasonic Corporation. Throughout his tenure at these organizations, he has played a vital role in advancing battery technologies that are critical to modern electronic devices and electric vehicles.
Collaborations
Throughout his career, Fujii has collaborated with esteemed colleagues, including Hideo Torii and Takakiyo Harigai. These partnerships have fostered innovative ideas and opened new avenues for research and development in energy storage technology.
Conclusion
Eiji Fujii’s impressive portfolio of patents and his commitment to improving lithium secondary battery technology illustrate his significant impact on the field of energy storage. His work not only enhances the safety and efficiency of batteries but also paves the way for future innovations in sustainable energy solutions.
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