Masahiko Hagiwara

Title: Masahiko Hagiwara: Innovator in Power Source Control

Introduction

Masahiko Hagiwara is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of power source control, holding a total of 4 patents. His work focuses on enhancing the efficiency and reliability of battery systems in electronic devices.

Latest Patents

Hagiwara's latest patents include an innovative apparatus and method for controlling a battery power source. This invention allows for the resetting of battery information stored in memory, ensuring that the battery is discharged until it reaches a prescribed end voltage. This is particularly useful when switching the power supply from the battery to another source. The battery information includes crucial parameters such as realizable capacity and residual capacity, which are essential for assessing battery performance and calculating usable time for devices. Another notable patent involves a battery charge circuit that utilizes a constant voltage/constant current method to charge multiple battery packs. This system includes a current detection circuit to monitor charge current and control mechanisms to maintain a constant voltage charge mode.

Career Highlights

Masahiko Hagiwara is associated with Kabushiki Kaisha Toshiba, a leading company in technology and electronics. His work at Toshiba has allowed him to develop and refine his innovative ideas in power source management.

Collaborations

Hagiwara has collaborated with notable colleagues such as Akihiko Uchida and Yuichiro Hino. Their combined expertise has contributed to advancements in battery technology and power management systems.

Conclusion

Masahiko Hagiwara's contributions to power source control demonstrate his commitment to innovation in battery technology. His patents reflect a deep understanding of the complexities involved in managing battery performance and efficiency.