Location History:
- Hitachinaka, JP (2019 - 2022)
- Tokyo, JP (2024)
Company Filing History:
18 out of 71 
2 out of 2,028 
Years Active: 2019-2025
Title: Innovations and Contributions of Ryohhei Nakao in Battery Management Technology
Introduction
Ryohhei Nakao, based in Hitachinaka, Japan, is a prominent inventor in the field of battery management systems. With an impressive portfolio of 19 patents, Nakao's work has significantly impacted the efficiency and longevity of chargeable batteries. His latest innovations focus on enhanced battery management methodologies, aiming to improve the performance and sustainability of energy storage solutions.
Latest Patents
Nakao's recent patents demonstrate his expertise in battery technology. His first notable patent is for a **battery management apparatus** that includes a battery status calculation unit, a degradation speed calculation unit, and an upper limit temperature setting unit. This innovative apparatus manages chargeable and dischargeable batteries by calculating both the degradation degree and speed, adjusting the upper limit temperature accordingly to optimize battery life.
Another significant patent is his **battery control apparatus**, which sets an appropriate upper limit voltage to maximize the charging performance of secondary batteries while minimizing degradation. This apparatus not only determines the upper limit voltage during charging but also calculates the chargeable power based on the set voltage, utilizing historical voltage data to ensure optimal performance throughout the battery's lifespan.
Career Highlights
Throughout his career, Ryohhei Nakao has contributed to several well-known companies, including Vehicle Energy Japan Inc. and Hitachi Automotive Systems, Ltd. His work with these companies has positioned him as a key player in the advancement of battery technology, focusing on enhancing energy storage solutions for a variety of applications.
Collaborations
Nakao has collaborated with notable colleagues in the field, such as Keiichiro Ohkawa and Kei Sakabe. These partnerships have fostered innovation and helped propel his research and development efforts, leading to breakthroughs in battery management and control systems.
Conclusion
Ryohhei Nakao's contributions to battery management technology showcase his innovative spirit and dedication to improving energy efficiency. With a strong background in engineering and substantial patent filings, Nakao continues to influence the development of advanced battery systems, which are essential for future energy solutions. His work not only benefits the companies he collaborates with but also sets a foundation for future innovations in the field of battery technology.
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.