Hirohisa Okamura

Title: Innovations by Hirohisa Okamura

Introduction

Hirohisa Okamura is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of battery technology, holding 2 patents that showcase his innovative approach to energy storage solutions. His work is primarily associated with Sony Corporation, where he collaborates with other talented engineers and inventors.

Latest Patents

Okamura's latest patents include a battery pack and a battery capacity calculating method. The battery pack consists of at least one secondary battery, a first terminal and a second terminal for charge and discharge, and a discharge control switch that is managed by a first control signal. This switch is responsible for turning on or off the discharge current. Additionally, there is a charge control switch, controlled by a second control signal, which manages the charging current. The control section of the battery pack detects the voltage, current, and temperature of the secondary battery. It controls both the charge and discharge switches by outputting the respective control signals based on the detected parameters. Furthermore, the control section calculates the battery capacity of the secondary battery using different methods depending on whether the battery is being charged, discharged, or is in a fully charged state.

Another patent focuses on a battery pack apparatus and the method of controlling it. This apparatus includes a battery, a circuit board connected to the battery, and a detecting unit on the circuit board. The detecting unit is designed to identify a battery power line that has been detached from the circuit board by monitoring a drop in battery voltage.

Career Highlights

Throughout his career, Hirohisa Okamura has been instrumental in advancing battery technology. His work at Sony Corporation has positioned him as a key player in the development of innovative energy solutions. His patents reflect a deep understanding of battery management systems and their applications in modern technology.

Collaborations

Okamura collaborates with Yasushi Mori, among other talented professionals at Sony Corporation. Their combined expertise contributes to the ongoing advancements in battery technology and energy efficiency.

Conclusion

Hirohisa Okamura's contributions to battery technology through his patents demonstrate his innovative spirit and commitment to improving energy storage solutions. His work continues to influence the industry and pave the way for future advancements.