Company Filing History:
4 out of 68 
4 out of 4 
4 out of 8 Years Active: 2012-2015
Title: Innovations of Tomomi Maruyama: Pioneering Charging Devices
Introduction
Tomomi Maruyama, an accomplished inventor based in Konosu, Japan, has made significant contributions to the field of charging devices. With a total of four patents to her name, Maruyama is recognized for innovations that enhance energy efficiency and charging safety in battery management systems.
Latest Patents
One of her latest patents is a charging device that supplies charge current to a battery group featuring multiple secondary batteries connected in series. This device includes a discharge route circuit for discharging charge current to each secondary battery when the battery voltage exceeds a predetermined threshold, effectively managing the charging process. Additionally, a cut-off circuit is integrated to disconnect the discharge route circuit from each secondary battery once charging is complete, thereby suppressing unnecessary discharges and improving energy efficiency.
Another notable patent details a charging apparatus that charges a cell group with multiple secondary cells in series. This device incorporates an overcharge protection circuit and discharge route circuits that enable secondary cells to discharge safely during the charging process based on their individual voltages. Moreover, the charger controller adjusts the charging current dynamically, ensuring that the charging continues safely until any overcharge conditions are rectified.
Career Highlights
Throughout her career, Tomomi Maruyama has worked with distinguished companies including Iwasaki Electric Co., Ltd. and Tokyo Rectifier Co., Ltd.. Her roles within these organizations have allowed her to develop and refine her innovations, contributing to advancements in battery technology.
Collaborations
Tomomi has collaborated with esteemed colleagues such as Eiji Saiki and Akitoshi Kato. These partnerships have fostered an environment of innovation, enabling the sharing of ideas and expertise that has propelled her work to new heights.
Conclusion
Tomomi Maruyama’s inventive spirit and dedication to enhancing battery charging systems have solidified her reputation in the industry. With her innovative patents, she continues to contribute significantly to the advancement of energy-efficient technologies, inspiring future developments in the field.