Kazuyuki Nonaka

This inventor holds 5 USPTO granted patents. Top assignees: Fujitsu Corporation, Fujitsu Vlsi Limited. Active years: 1990-1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuyuki Nonaka. Retrieved from https://idiyas.com/inventor/kazuyuki-nonaka

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

USPTO Granted Patents = 5

% Patents Active = 100.0

Average Co-Inventor Count = 3.3

ph-index = 5

Forward Citations = 52(Granted Patents)

Location History:

Seto, JP (1990)
Kasugai, JP (1991 - 1997)

Company Filing History:

where one patent can have more than one assignee

Years Active: 1990-1997

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5 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5594382 - Constant voltage circuit (1997-01-14),

2. 5287019 - ECL to CMOS level conversion circuit (1994-02-15),

3. 5218238 - Bias voltage generation circuit of ECL level for decreasing power (1993-06-08),

4. 5047733 - PLL synthesizer providing rapid frequency changeover (1991-09-10),

5. 4897560 - Semiconductor integrated circuit with reduced power consumption (1990-01-30),

Title: Kazuyuki Nonaka: Innovator in Voltage Circuit Technology

Introduction

Kazuyuki Nonaka is a prominent inventor based in Kasugai, Japan. He has made significant contributions to the field of electrical engineering, particularly in the development of innovative voltage circuit technologies. With a total of 5 patents to his name, Nonaka's work has had a considerable impact on the industry.

Latest Patents

One of his latest inventions is a Constant Voltage Circuit. This circuit is designed for connection between high voltage power sources and low voltage power source terminals. It outputs a constant voltage signal in response to a control signal inputted to an input terminal. The circuit features a resistor circuit that includes a MOS transistor, which is activated by the control signal. Additionally, a current mirror section generates an output voltage, while a feedback section ensures that the output voltage remains constant by detecting any deviations.

Another notable patent is the ECL to CMOS Level Conversion Circuit. This level conversion circuit incorporates an ECL logic circuit with a current switch circuit. It includes first and second transistors that are emitter-coupled, with at least one receiving an input signal of ECL logic level. The circuit also features a current control circuit that utilizes a current mirror circuit to manage the current flowing through the output. This design effectively reduces power dissipation without compromising high-speed operation during standby states.

Career Highlights

Kazuyuki Nonaka has worked with notable companies such as Fujitsu Corporation and Fujitsu VLSI Limited. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects in the field of electronics.

Collaborations

Throughout his career, Nonaka has collaborated with talented individuals, including Takehiro Akiyama and Kouzi Takekawa. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Kazuyuki Nonaka's contributions to voltage circuit technology exemplify his innovative spirit and dedication to advancing electrical engineering. His patents reflect a commitment to improving efficiency and performance in electronic systems.

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]