This inventor holds 3 USPTO granted patents and 2 EPO patents. Top assignees: Kuraray Co., Ltd., Panasonic Corporation. Active years: 2005-2012.
Location History:
- Okayama-ken, JP (2005)
- Okayama, JP (2010 - 2012)
Company Filing History:
3 out of 1,872 
1 out of 16,454 
Years Active: 2005-2012
Title: Hisashi Nagi: Innovator in Alkaline Battery Technology
Introduction
Hisashi Nagi is a prominent inventor based in Okayama, Japan. He has made significant contributions to the field of battery technology, particularly in the development of alkaline batteries. With a total of 3 patents to his name, Nagi's work focuses on enhancing the performance and efficiency of battery components.
Latest Patents
Nagi's latest patents include innovative designs for alkaline battery separators. One notable patent describes an alkaline battery separator that comprises an alkali-resistant synthetic fiber, fibrillated organic solvent-spun cellulose fiber, and mercerized pulp. This separator includes 25 to 62% by mass of the alkali-resistant synthetic fiber, 5 to 25% by mass of the fibrillated organic solvent-spun cellulose fiber, and 33 to 50% by mass of mercerized pulp. The intertwining of these materials enhances the separator's performance.
Another significant patent involves a separator for alkaline batteries, which is created by bonding a highly hygroscopic macromolecular compound to a wetlaid nonwoven fabric. This innovative design improves electrolyte absorption, reduces electric resistance, and prevents short circuits caused by dendrite growth. The separator's design allows for increased volume of the negative electrode material and enhances the overall durability of the alkaline battery.
Career Highlights
Throughout his career, Hisashi Nagi has worked with notable companies such as Kuraray Co., Ltd. and Panasonic Corporation. His experience in these organizations has contributed to his expertise in battery technology and innovation.
Collaborations
Nagi has collaborated with esteemed colleagues, including Toshimitsu Harada and Hiroyuki Kawai. Their combined efforts have further advanced the field of alkaline battery technology.
Conclusion
Hisashi Nagi's contributions to alkaline battery technology through his innovative patents and collaborations highlight his role as a key inventor in this field. His work continues to influence the development of more efficient and reliable battery systems.