Location History:
- Tokyo, JP (2018 - 2020)
- Setagaya-ku, JP (2023)
Company Filing History:
Years Active: 2018-2023
Title: **Innovative Contributions of Inventor Hidechika Yokoyama**
Introduction
Hidechika Yokoyama, a prominent inventor based in Tokyo, Japan, has made significant strides in the field of electronic engineering. With a total of three patents to his name, Yokoyama's work, especially in battery charging and DC-DC switching conversion, continues to push the boundaries of technology.
Latest Patents
Among his notable achievements, two of Yokoyama's latest patents include:
1. **Battery Charger with Constant Current Control Loop**
This invention introduces a battery charger equipped with a constant current control loop designed for both linear and switching chargers. The primary advantages of this technology include the integration of digital controls and a comparator, which effectively decrease the charging current as it approaches termination. Furthermore, this technique eliminates the need for a constant voltage loop and amplifier, ensuring that charging time remains unaffected while simplifying the design for various process technology nodes and reducing the overall size of the charger.
2. **Feedback Voltage DC Level Cancelling for Configurable Output DC-DC Switching Converters**
This innovative system provides an effective method for feedback voltage DC level cancelling, enabling a wider output voltage range in DC-DC switching converters. The design's simplification allows the operational amplifier to function effectively across different output voltages. Notably, this invention paves the way for applications in Boost DC-DC switching converters, enhancing performance significantly. The flying capacitor offset introduction stands out as it eliminates the need for trimming while supporting lower supply voltage designs without compromising the differential input signal swing.
Career Highlights
Hidechika Yokoyama is an inventor at Dialog Semiconductor Limited, where he actively contributes to the development of cutting-edge electronic solutions. His expertise in battery chargers and switching converters has solidified his reputation in the industry, showcasing an unwavering commitment to innovation.
Collaborations
Yokoyama collaborates closely with prominent coworkers, including Soichiro Ohyama and Andrey B Malinin. Their combined efforts foster a dynamic creative environment, pushing forward the envelope of technology and innovation.
Conclusion
Through his inventive spirit and technical acumen, Hidechika Yokoyama continues to make impactful contributions to the world of electronic engineering. His patents not only reflect his ingenuity but also underscore the essential role of innovation in driving technological advancements.