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For the Inventor, By the Inventor

Musashino, Japan

Yuma Koizumi

USPTO Granted Patents = 15 

 

Average Co-Inventor Count = 3.0

ph-index = 1


Location History:

  • Musashino, JP (2022 - 2023)
  • Tokyo, JP (2022 - 2024)

Company Filing History:

goldMedal15 out of 5,290 
 
Nippon Telegraph and Telephone Corporation
 patents

Years Active: 2022-2025

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15 patents (USPTO):Explore Patents
1. 12387743 - Abnormality estimation device, abnormality estimation method, and program (2025-08-12),
2. 12354620 - Signal processing device, signal processing method, signal processing program, learning device, learning method, and learning program (2025-07-08),
3. 12190904 - Anomaly detection apparatus, probability distribution learning apparatus, autoencoder learning apparatus, data transformation apparatus, and program (2025-01-07),
4. 12182731 - Anomaly detection apparatus, anomaly detection method, and program (2024-12-31),
5. 11996120 - Sound generation apparatus, data generation apparatus, anomaly score calculation apparatus, and program (2024-05-28),
6. 11971332 - Feature extraction apparatus, anomaly score estimation apparatus, methods therefor, and program (2024-04-30),
7. 11922965 - Direction of arrival estimation apparatus, model learning apparatus, direction of arrival estimation method, model learning method, and program (2024-03-05),
8. 11886996 - Training data extension apparatus, training data extension method, and program (2024-01-30),
9. 11835430 - Anomaly score estimation apparatus, anomaly score estimation method, and program (2023-12-05),
10. 11798571 - Acoustic signal processing apparatus, method and program for the same (2023-10-24),
11. 11609115 - Anomalous sound detection apparatus, degree-of-anomaly calculation apparatus, anomalous sound generation apparatus, anomalous sound detection training apparatus, anomalous signal detection apparatus, anomalous signal detection training apparatus, and methods and programs therefor (2023-03-21),
12. 11480497 - Anomalous sound detection training apparatus, acoustic feature extraction apparatus, anomalous sound sampling apparatus, and methods and programs for the same (2022-10-25),
13. 11467570 - Anomalous sound detection apparatus, anomaly model learning apparatus, anomaly detection apparatus, anomalous sound detection method, anomalous sound generation apparatus, anomalous data generation apparatus, anomalous sound generation method and program (2022-10-11),
14. 11322169 - Target sound enhancement device, noise estimation parameter learning device, target sound enhancement method, noise estimation parameter learning method, and program (2022-05-03),
15. 11297418 - Acoustic signal separation apparatus, learning apparatus, method, and program thereof (2022-04-05),

Title: Yuma Koizumi: Innovator in Acoustic Signal Processing

Introduction

Yuma Koizumi is a prominent inventor based in Musashino, Japan. He has made significant contributions to the field of acoustic signal processing, holding a total of 15 patents. His work focuses on developing advanced devices and methods for estimating abnormalities in acoustic signals.

Latest Patents

Koizumi's latest patents include an abnormality estimation device, an abnormality estimation method, and a program. This innovative device is capable of appropriately determining normal data that appears less frequently as normal. The device features an estimation unit that assesses the anomaly degree of an acoustic signal using an optimized abnormality estimation model. This model minimizes the difference between the anomaly degree of a frequently occurring normal sound and that of a less frequently occurring normal sound. Additionally, he has developed a signal processing device, method, and program that utilizes a neural network to extract specific audio classes from a mixture of audio signals.

Career Highlights

Yuma Koizumi is currently employed at Nippon Telegraph and Telephone Corporation, where he continues to push the boundaries of technology in his field. His innovative approaches have garnered attention and respect within the industry.

Collaborations

Koizumi has collaborated with notable colleagues, including Shoichiro Saito and Noboru Harada. Their combined expertise contributes to the advancement of their projects and innovations.

Conclusion

Yuma Koizumi's work in acoustic signal processing exemplifies the spirit of innovation. His patents and contributions are paving the way for future advancements in the field.

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