Location History:
- Kawagoe, JP (1979 - 1980)
- Saitama, JP (1982 - 2005)
- Tokyo, JP (1982 - 2013)
Company Filing History:
9 out of 58,129 
5 out of 31 
3 out of 7,954 
Years Active: 1979-2013
Title: Innovations of Hiroshi Nakazawa
Introduction
Hiroshi Nakazawa is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of battery technology, holding a total of 17 patents. His work focuses on methods and devices that enhance the efficiency and safety of battery systems.
Latest Patents
Among his latest patents are a method for determining cell number and a cell number determination device. This innovative device allows for the determination of the number of cells in a battery without the need for manual input. It utilizes voltage measuring units to assess the voltage between connected cells, enabling accurate cell number determination. Another notable patent is a battery protection circuit designed to prolong the reusable period of a battery. This circuit prevents abnormal heating during recharging by cutting off the discharge path when the battery voltage falls below a certain threshold.
Career Highlights
Hiroshi Nakazawa has worked with renowned companies such as Sony Corporation and TDK-Lambda Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas in battery technology.
Collaborations
Throughout his career, Nakazawa has collaborated with notable individuals in the industry, including Mitsuo Ohsawa and Akio Koizumi. These partnerships have contributed to the advancement of his inventions and the overall progress in battery technology.
Conclusion
Hiroshi Nakazawa's contributions to battery technology through his patents and collaborations highlight his role as a leading inventor in the field. His innovative approaches continue to influence the development of safer and more efficient battery systems.
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.