Tokyo, Japan

Tomohiro Yamaji

This inventor holds 19 USPTO granted patents and 6 published patent applications and 1 EPO patent, primarily in Superconducting Quantum Circuits. Top assignees: Nec Corporation, National Institute of Advanced Industrial Science and Technology. Active years: 2023-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tomohiro Yamaji. Retrieved from https://idiyas.com/inventor/tomohiro-yamaji

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

Calculating rank
USPTO Granted Patents = 19 

% Patents Active = 68.4


Average Co-Inventor Count = 2.5

ph-index = 1

Forward Citations = 7(Granted Patents)


Company Filing History:


Years Active: 2023-2026

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Areas of Expertise:
Circuit Manufacturing
Superconducting Circuit
Resonator
Quantum Computer
Superconducting Quantum Circuit
Oscillator
Josephson Junction
Quantum Device
Control Method
Frequency-Tunable Resonator
Semiconductor Device
19 patents (USPTO):Explore Patents

Title: Innovations of Tomohiro Yamaji

Introduction

Tomohiro Yamaji is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of superconducting quantum circuits, holding a total of 10 patents. His work is characterized by innovative designs that enhance the functionality and efficiency of quantum devices.

Latest Patents

Among his latest patents, one notable invention is a superconducting quantum circuit that features a coupler with first and second electrodes and a nonlinear element, including a Josephson junction. This design ensures that the electrodes are spaced apart from a surrounding ground plane and arranged in opposition to each other. The configuration of the electrodes includes opposing portions that extend toward qubits, optimizing their performance. Another significant patent involves a superconducting quantum circuit comprising multiple SQUIDs (Superconducting Quantum Interference Devices) connected in parallel. Each SQUID includes a first and second superconducting line, along with Josephson junctions that differ in junction area, allowing for enhanced versatility in quantum applications.

Career Highlights

Tomohiro Yamaji is currently employed at NEC Corporation, where he continues to push the boundaries of quantum technology. His work has garnered attention for its potential applications in quantum computing and advanced electronics.

Collaborations

He collaborates with notable colleagues, including Tsuyoshi Yamamoto and Yoshihito Hashimoto, who contribute to the innovative environment at NEC Corporation.

Conclusion

Tomohiro Yamaji's contributions to superconducting quantum circuits exemplify the cutting-edge advancements in quantum technology. His patents reflect a deep understanding of the complexities involved in quantum mechanics and their practical 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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