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For the Inventor, By the Inventor

Musashino, Japan

Eri Matsunaga

USPTO Granted Patents = 12

Average Co-Inventor Count = 3.7

ph-index = 1


Company Filing History:

goldMedal12 out of 5,289 
 
Nippon Telegraph and Telephone Corporation
 patents

Years Active: 2022-2025

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12 patents (USPTO):Explore Patents
1. 12203823 - Looseness detection sensor and method (2025-01-21),
2. 12158389 - Looseness detection device and looseness detection method (2024-12-03),
3. 12085519 - Loosening detection structure and loosening detection method using said structure (2024-09-10),
4. 12085470 - Bolt tightening torque management structure and method (2024-09-10),
5. 12031856 - Looseness detection sensor and how to identify loose bolts (2024-07-09),
6. 12012988 - Abnormality detection device and fixing structure (2024-06-18),
7. 11976993 - Loosening detection structure, loosening detection system and method (2024-05-07),
8. 11976947 - Transducer, loosening detection system and loosening detection method (2024-05-07),
9. 11921055 - Surface change detector and surface change detection method using same (2024-03-05),
10. 11493074 - Loosening detection structure and loosening detection method using said structure (2022-11-08),
11. 11454607 - Crack detection device and method therefor (2022-09-27),
12. 11280752 - Crack detection system and crack detection method (2022-03-22),

Title: Eri Matsunaga: Innovating Bolt Looseness Detection Technology

Introduction

Eri Matsunaga is a distinguished inventor based in Musashino, Japan, known for her innovative contributions to sensor technology. With a total of 12 patents to her name, Eri has made significant advancements in the field, particularly in detecting loose bolts in mechanical systems.

Latest Patents

Eri Matsunaga's most recent patents highlight her cutting-edge research and development in the area of looseness detection. One of her notable inventions is the "Looseness Detection Sensor and Method," which features a resonance unit made from an insulating material that detects looseness in bolts fixing components. This invention includes a cap with a protrusion that contacts the component's surface, enhancing the accuracy of looseness detection.

Another significant patent is the "Looseness Detection Device and Looseness Detection Method." This device employs multiple washers insulated from each other, enabling electric connections through a transmission line. The device measures resonance frequency changes to ascertain the loosening of bolts, demonstrating a sophisticated approach to mechanical integrity monitoring.

Career Highlights

Eri Matsunaga is currently employed at Nippon Telegraph and Telephone Corporation, where she continues to drive innovation in technological solutions. Her work emphasizes practical applications of her inventions, contributing to enhanced safety and reliability in mechanical systems.

Collaborations

Throughout her career, Eri has collaborated with several notable colleagues, including Masahito Nakamura and Masayuki Tsuda. These collaborations have fostered an environment of shared knowledge and innovation, leading to the successful development of her patented technologies.

Conclusion

Eri Matsunaga stands out as a remarkable inventor whose work in bolt looseness detection technology is paving the way for improved mechanical system reliability. Her impactful contributions and collaborations with fellow innovators like Masahito Nakamura and Masayuki Tsuda underscore her commitment to excellence in the field of sensor technology.

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