Kanagawa, Japan

Tadakatsu Kumura

This inventor holds 1 USPTO granted patent. Top assignee: Nippon Telegraph and Telephone Corporation. Active years: 1987.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tadakatsu Kumura. Retrieved from https://idiyas.com/inventor/tadakatsu-kumura

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 5.0

ph-index = 1

Forward Citations = 44(Granted Patents)


Company Filing History:


Years Active: 1987

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1 patent (USPTO):Explore Patents

Title: Tadakatsu Kumura and His Oversampling Converter Patent.

Introduction

Tadakatsu Kumura is an inventor associated with Kanagawa, Japan, and Nippon Telegraph and Telephone Corporation. His patent work includes an oversampling converter design for signal conversion.

Latest Patents

The provided information lists one patent for Kumura: “Oversampling Converter.” The invention describes a converter with first and second integrators and quantizers, feedback paths, a differentiator, and an adder. It also includes a circuit that supplies the first integrator’s output to the second integrator. The design can use two or more quantization loops and can be configured for analog-to-digital or digital-to-analog conversion. Kumura is credited with 1 patent.

Career Highlights

Kumura’s listed patent is associated with Nippon Telegraph and Telephone Corporation. Its subject matter concerns converter architecture and signal-processing circuitry.

Collaborations

The provided information names Kuniharu Uchimura and Toshio Hayashi as Kumura’s coworkers. Their specific roles in developing the patent are not stated.

Conclusion

Tadakatsu Kumura’s listed invention is an oversampling converter designed to support analog-to-digital and digital-to-analog applications.

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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