Tomohiro Yamaji

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

USPTO Granted Patents = 19 (Patent Applications = 6)

% Patents Active = 68.4

EPO Patents = 1

Average Co-Inventor Count = 2.5

ph-index = 1

Forward Citations = 7(Granted Patents)

Company Filing History:

National Institute of Advanced Industrial Science and Technology

patents

where one patent can have more than one assignee

Years Active: 2023-2026

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19 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12733407 - Circuit manufacturing method and superconducting circuit (2026-09-08),

2. 12719141 - Resonator and frequency-tunable resonator (2026-08-25),

3. 12685033 - Superconducting quantum circuit (2026-07-14),

4. 12671416 - Superconducting quantum circuit apparatus having coupler including at least one Josephson junction (2026-06-30),

5. 12657496 - Resonator, oscillator, and quantum computer (2026-06-16),

6. 12656417 - Oscillator (2026-06-16),

7. 12556181 - Superconducting quantum circuit apparatus and control method therefor (2026-02-17),

8. 12505371 - Quantum device and quantum computer (2025-12-23),

9. 12490659 - Oscillator and quantum computer (2025-12-02),

10. 12244306 - Superconducting quantum circuit (2025-03-04),

11. 12188999 - Superconducting quantum circuit (2025-01-07),

12. D1054390 - Semiconductor device (2024-12-17),

13. D1054389 - Semiconductor device (2024-12-17),

14. 12063035 - Superconducting quantum circuit apparatus and control method for a super conducting quantum circuit (2024-08-13),

15. 12021520 - Resonator, oscillator, and quantum computer (2024-06-25),

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.