Company Filing History:
Years Active: 2009-2015
Title: Innovations of Hiroyasu Tagami
Introduction
Hiroyasu Tagami is a prominent inventor based in Fukuoka, Japan. He has made significant contributions to the field of power supply technology, holding a total of 6 patents. His work primarily focuses on enhancing the efficiency and functionality of rechargeable battery systems.
Latest Patents
Tagami's latest patents include a power supply apparatus, a charging method, a rechargeable battery cell unit, and a charging apparatus. The power supply apparatus is designed to supply a power supply voltage to a charge monitor that oversees the charge states of rechargeable battery cells. This innovative apparatus features a first capacitative element that provides voltage to the charge monitor, and a second capacitative element that is charged from the rechargeable battery cell. The system includes a switch group with a first switch connecting the first and second capacitative elements, and a second switch linking the rechargeable battery cell to the second capacitative element. A controller manages the switch group, enabling the repeated charging of the second capacitative element by the rechargeable battery cell and the charging of the first capacitative element by the second capacitative element.
Another notable patent involves a switch for controlling the connection between two terminals. This switch comprises a first transistor circuit made up of two transistors arranged in series, and a second transistor circuit that alters the connection state between the terminals by adjusting the potential at its source terminal.
Career Highlights
Hiroyasu Tagami is currently employed at Sony Corporation, where he continues to innovate and develop new technologies. His work has significantly impacted the efficiency of power supply systems, particularly in the realm of rechargeable batteries.
Collaborations
Tagami has collaborated with notable colleagues such as Takashi Shimono and Kouzi Tsukamoto, contributing to various projects that enhance the functionality of battery technologies.
Conclusion
Hiroyasu Tagami's contributions to power supply technology and rechargeable battery systems are noteworthy. His innovative patents reflect his commitment to advancing technology in this critical field.