Tokyo, Japan

Toyohiro Shimogawa

This inventor holds 4 USPTO granted patents and 1 published patent application. Top assignees: Renesas Electronics Corporation, Renesas Technology Corp.. Active years: 2008-2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toyohiro Shimogawa. Retrieved from https://idiyas.com/inventor/toyohiro-shimogawa

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

USPTO Granted Patents = 4 

Average Co-Inventor Count = 4.4

ph-index = 3

Forward Citations = 19(Granted Patents)


Company Filing History:


Years Active: 2008-2012

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4 patents (USPTO):Explore Patents

Title: Toyohiro Shimogawa: Innovator in Semiconductor Technology

Introduction

Toyohiro Shimogawa is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 4 patents. His work focuses on enhancing the efficiency and functionality of semiconductor devices.

Latest Patents

One of his latest patents is for a semiconductor integrated circuit device that features an internal circuit with multiple power supply regions. This innovative design allows for the control of operation power supply, enabling the internal circuit to function in various operational modes. The power supply control circuit includes a storage circuit that holds switching instruction data and low-power-consumption-mode data. This ensures efficient power management and transitions between power supply states.

Another notable patent involves a semiconductor device that incorporates a power switch connecting an internal power supply that remains active and one that is shut down. This device features an internal voltage determining circuit that monitors the voltage of the shut-down power supply. The design allows for seamless transitions between power states, ensuring reliable operation of circuit blocks.

Career Highlights

Throughout his career, Toyohiro Shimogawa has worked with leading companies in the semiconductor industry, including Renesas Technology Corporation and Renesas Electronics Corporation. His experience in these organizations has contributed to his expertise in semiconductor innovations.

Collaborations

He has collaborated with notable colleagues such as Takayasu Ito and Mitsuru Hiraki, further enhancing his contributions to the field.

Conclusion

Toyohiro Shimogawa's work in semiconductor technology exemplifies innovation and dedication. His patents reflect a commitment to advancing the efficiency and functionality of electronic devices. His contributions continue to impact the industry positively.

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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