Location History:
- Moriguchi, JP (2003 - 2004)
- Kadoma, JP (2005)
- Yamatotakada, JP (2008)
- Nara, JP (2009 - 2021)
Company Filing History:
13 out of 16,453 
8 out of 13,289 
4 out of 27,375 
Years Active: 2003-2021
Title: Innovations of Tsuyoshi Ikushima in Electricity Leakage Detection
Introduction
Tsuyoshi Ikushima, an accomplished inventor based in Nara, Japan, holds an impressive portfolio of 25 patents to his name. His work primarily focuses on innovations in electricity leakage detection devices, making significant contributions to the field of electrical safety.
Latest Patents
Among his latest patents are a Direct-Current Electricity Leakage Detection Device and an Electricity Leakage Detection Device. The Direct-Current Electricity Leakage Detection Device features an excitation unit that applies an excitation voltage with alternating voltage levels, allowing for accurate leakage detection. This invention is equipped with a comparison circuit that outputs a comparison signal based on a predefined threshold, while the voltage switching circuit regulates the excitation voltage accordingly.
The Electricity Leakage Detection Device further enhances safety with a first decision unit in the AC leakage detection section that outputs signals based on corrected voltage levels. It includes a DC leakage detection section that applies an excitation voltage with a specific frequency to an excitation coil, ensuring a high level of detection precision. This system integrates a DC component detection unit that measures the magnitude of any DC component detected, along with a second decision unit for reliable voltage level output.
Career Highlights
Ikushima has made a substantial impact in the field through his work at renowned companies such as Panasonic Corporation and Panasonic Intellectual Property Management Co., Ltd. His innovative contributions have placed him at the forefront of electrical engineering innovations.
Collaborations
Throughout his career, Ikushima has collaborated with notable individuals including Masaru Fuse and Satoshi Furusawa. Their combined efforts have resulted in groundbreaking advancements in the technology used for electricity leakage detection.
Conclusion
In summary, Tsuyoshi Ikushima's contributions to the field of electricity leakage detection are notable and impactful. With 25 patents to his name and a commitment to enhancing electrical safety, Ikushima continues to play an essential role in innovation. His work not only exemplifies the importance of technological advancement but also ensures a safer environment in electrical applications.