Kodaira, Japan

Kunio Uchiyama

This inventor holds 73 USPTO granted patents, primarily in Semiconductor Design (CPC class 3642). Top assignees: Hitachi, Ltd., Renesas Technology Corp., Hitachi Microcomputer Engineering, Ltd.. Active years: 1987-2013.

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

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


% Patents Active = 72.6

Average Co-Inventor Count = 4.2

ph-index = 18

Forward Citations = 1,392(Granted Patents)

Forward Citations (Not Self Cited) = 1,344(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Pittsburgh, PA (US) (1988)
  • Kokubunji, JP (1987 - 1990)
  • Hachioji, JP (1989 - 2004)
  • Kodaira-shi, Tokyo, JP (2005)
  • Kodaira, JP (1995 - 2012)
  • Tokyo, JP (1992 - 2013)

Company Filing History:


Years Active: 1987-2013

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Areas of Expertise:
Low Power Processor
Synchronous Dynamic Memory
Power Reduction Mechanism
Integrated Circuit Device
Floating Point Unit
Data Processor
Cache Memory
Address Indexing
Manufacturing Method
Device Design
Processor System
Pipeline Synchronization
73 patents (USPTO):Explore Patents

Title: **Kunio Uchiyama: Innovator in Low Power Processing Technologies**

Introduction

Kunio Uchiyama, hailing from Kodaira, Japan, is a prolific inventor with an impressive portfolio of 73 patents. His work primarily focuses on innovations in processor technology, specifically in the realm of low power processing and memory management systems.

Latest Patents

One of Uchiyama's latest inventions is a **Substrate Bias Switching Unit for a Low Power Processor**. This innovative technology features a processor main circuit responsible for executing program instruction strings on a processor chip. The substrate bias switching unit is designed to switch voltages of substrate biases applied to the processor's substrate. This invention also includes an operation mode control unit, which manages the switching of biases in response to the processor's operational needs, thus optimizing power consumption.

Another significant patent is the **Processor System Using Synchronous Dynamic Memory**, which integrates a processor with a processor core and a controller core alongside multiple synchronous memory chips. This system is designed to improve operational efficiency by managing communication between the processor and memory chips through an external bus, all while synchronizing operations with a common clock signal.

Career Highlights

Kunio Uchiyama has contributed significantly to the technology sector during his career, notably with established companies such as Hitachi, Ltd. and Renesas Technology Corporation. His role in these organizations has allowed him to influence advancements in semiconductor and processor technologies, reflecting his commitment to pushing the boundaries of innovation.

Collaborations

Throughout his career, Uchiyama has collaborated with a number of talented professionals. Among them are Osamu Nishii and Tadahiko Nishimukai, who have worked alongside him to drive forward the development of cutting-edge technologies. Their joint efforts have likely enhanced the quality and impact of their inventions in the tech industry.

Conclusion

Kunio Uchiyama is a distinguished inventor whose contributions to low power processing technologies and memory systems have had a lasting impact on the field. With an extensive patent portfolio that showcases his innovative spirit, Uchiyama continues to inspire future generations of inventors and engineers seeking to make their mark in the tech world.

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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