Kyoto, Japan

Hiroyuki Kumasaka

This inventor holds 3 USPTO granted patents. Top assignee: Rohm Co., Ltd.. Active years: 2013-2018.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroyuki Kumasaka. Retrieved from https://idiyas.com/inventor/hiroyuki-kumasaka

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile


% Patents Active = 66.7

Average Co-Inventor Count = 1.7

ph-index = 1

Forward Citations = 4(Granted Patents)


Company Filing History:


Years Active: 2013-2018

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3 patents (USPTO):Explore Patents

Title: Hiroyuki Kumasaka: Innovator in Digital Control Power Circuits

Introduction

Hiroyuki Kumasaka is a prominent inventor based in Kyoto, Japan. He has made significant contributions to the field of digital control power circuits, holding a total of 3 patents. His work focuses on enhancing the efficiency and stability of power control systems.

Latest Patents

Kumasaka's latest patents include innovative technologies that improve power circuit control. One of his notable inventions is a digital control power circuit, which features a control circuit designed to generate a digital duty command value. This value ensures that the digital feedback corresponding to the output voltage remains close to a target value. The control circuit incorporates a feedback controller, a pulse generator, a non-linear controller, and a driver to optimize the performance of the digital control power circuit.

Another significant patent is a power control device, system, and method that utilizes switches for rapid stabilization of a power source. This device includes a control circuit that manages the power source and a control calculation unit that adjusts the manipulation amount during disturbances, ensuring reliable operation.

Career Highlights

Hiroyuki Kumasaka is currently employed at Rohm Co., Ltd., where he continues to develop cutting-edge technologies in power control. His expertise in digital control systems has positioned him as a key figure in the industry.

Collaborations

Kumasaka has collaborated with notable colleagues such as Sachito Horiuchi and Nobuyuki Suzukawa. Their combined efforts contribute to the advancement of innovative solutions in power control technology.

Conclusion

Hiroyuki Kumasaka's contributions to digital control power circuits demonstrate his commitment to innovation and excellence in engineering. His patents reflect a deep understanding of power management, making him a valuable asset in the field.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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