Company Filing History:

11 out of 425

Dialog Semiconductor (uk) Limited

Years Active: 2001-2023

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14 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11736016 - Switching converter with improved load transient response and method of operating the same (2023-08-22),

2. 10749433 - Current balance feedback circuit and method to improve the stability of a multi-phase converter (2020-08-18),

3. 10340935 - Thermometer digital to analog converter (2019-07-02),

4. 10205385 - Circuit and method of a switching converter with adaptive pulse insertion (2019-02-12),

5. 10044265 - Switching converter control robust to ESL ripple (2018-08-07),

6. 10008918 - Phase-shifting optimization for asymmetric inductors in multi-phase DC-DC converters (2018-06-26),

7. 9887625 - Output current monitor circuit for switching regulator (2018-02-06),

8. 9835655 - Output current monitoring circuit (2017-12-05),

9. 9806617 - Switch mode power converter with overshoot and undershoot transient control circuits (2017-10-31),

10. 9606559 - Multi-phase switching converter with phase shedding (2017-03-28),

11. 9379612 - Output current monitor circuit for switching regulator (2016-06-28),

12. 6667663 - Phase locked loop circuit (2003-12-23),

13. 6304144 - Differential amplification circuit (2001-10-16),

14. 6191630 - Delay circuit and oscillator circuit using same (2001-02-20),

Title: The Innovations of Seiichi Ozawa: A Pioneer in Switching Converters

Introduction

Seiichi Ozawa, an accomplished inventor based in Wakoh, Japan, has made significant contributions to the field of electrical engineering and power conversion technologies. With a remarkable portfolio of 14 patents, he has developed inventive solutions that enhance the performance and efficiency of switching converters.

Latest Patents

Among his latest innovations are two notable patents. The first is titled "Switching Converter with Improved Load Transient Response and Method of Operating the Same." This invention provides a switching converter featuring a panic comparator with a reset switch and a panic latch that operates in tandem with a strobe timing mechanism. The design incorporates a timing generator that yields reset and strobe signals, enhancing the converter's response time, particularly during load transients.

The second patent, "Current Balance Feedback Circuit and Method to Improve the Stability of a Multi-Phase Converter," addresses challenges in multi-phase DC-DC switching converters. This innovative approach integrates a current balance feedback signal to the PWM duty signal, effectively mitigating current balance oscillation problems. As a result, the stability of the current balance feedback loop is significantly improved, lowering the design effort required for printed circuit boards (PCBs) during development.

Career Highlights

Seiichi Ozawa has held pivotal roles in prominent companies, including Dialog Semiconductor and Fujitsu Corporation, where he honed his expertise in power electronics. His work in these organizations has led to meaningful advancements in the efficiency and reliability of power conversion systems.

Collaborations

Throughout his career, Ozawa has collaborated with talented professionals such as Daisuke Kobayashi and Daisuke Yamazaki. These partnerships have enriched his research and development efforts, resulting in innovative solutions that address complex industry challenges.

Conclusion

Seiichi Ozawa stands out as an influential inventor within the electrical engineering community. His dedication to advancing switching converter technologies has solidified his reputation as a pioneer in the field. With ongoing innovations and collaborations, Ozawa continues to drive progress, shaping the future of power electronics.

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