Tokyo, Japan

Katsumasa Uchiyama

This inventor holds 3 USPTO granted patents and 1 published patent application. Top assignees: Renesas Electronics Corporation, Renesas Technology Corp.. Active years: 2010-2018.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katsumasa Uchiyama. Retrieved from https://idiyas.com/inventor/katsumasa-uchiyama

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

USPTO Granted Patents = 3 

% Patents Active = 33.3

Average Co-Inventor Count = 4.1

ph-index = 3

Forward Citations = 15(Granted Patents)


Location History:

  • Tokyo, JP (2010 - 2012)
  • Kanagawa, JP (2018)

Company Filing History:


Years Active: 2010-2018

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3 patents (USPTO):Explore Patents

Title: Innovations by Katsumasa Uchiyama

Introduction

Katsumasa Uchiyama is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 3 patents. His work focuses on enhancing the efficiency and functionality of semiconductor devices.

Latest Patents

Uchiyama's latest patents include a semiconductor apparatus designed to obtain output data corresponding to input data by referring to table data. This apparatus features a microcontroller unit (MCU) that includes a data transfer controller (DTC) for transferring data from a source address region to a destination address region based on data transfer information in response to a startup request. The DTC performs operations on second source address information based on data read from first source address information, facilitating efficient data handling.

Another significant patent is for a semiconductor integrated circuit device that incorporates an internal circuit with multiple power supply regions. This device includes a power supply control circuit that manages the supply and interruption of operation power to the internal circuit according to the operation mode. The power supply control circuit features a storage circuit that holds switching instruction data and low-power-consumption-mode data, ensuring optimal power management.

Career Highlights

Uchiyama has worked with prominent companies in the semiconductor industry, including Renesas Electronics Corporation and Renesas Technology Corporation. His experience in these organizations has allowed him to develop innovative solutions that address complex challenges in semiconductor design and functionality.

Collaborations

Throughout his career, Uchiyama has collaborated with talented individuals such as Toyohiro Shimogawa and Hiromichi Ishikura. These collaborations have contributed to the advancement of semiconductor technologies and have fostered a culture of innovation.

Conclusion

Katsumasa Uchiyama's contributions to semiconductor technology through his patents and collaborations highlight his role as a key innovator in the field. His work continues to influence the development of efficient semiconductor devices, showcasing the importance of innovation in technology.

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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