Location History:
- Niwa, JP (2000)
- Aichi-ken, JP (2004 - 2005)
- Aichi, JP (2003 - 2013)
Company Filing History:
9 out of 2,003 
1 out of 6 
1 out of 60 Years Active: 2000-2013
Title: Kouichi Itoigawa: Innovator in Current Sensors and Lighting Devices
Introduction
Kouichi Itoigawa is a notable inventor based in Aichi, Japan. He has made significant contributions to the fields of current sensors and lighting devices, holding a total of 10 patents. His innovative designs reflect a deep understanding of electrical engineering and practical applications.
Latest Patents
One of his latest inventions is a current sensor that features an annular magnetic core. This core includes a closed magnetic path with a void in a portion of it, along with a magnetic body designed to focus the flux of a magnetic field generated around a conductor carrying a measured current. Additionally, the sensor incorporates a magnetic detecting portion that detects the flux of the magnetic field generated in the void of the magnetic core. The design includes multiple pairs of stepped portions on opposing end surfaces that form the void, with these portions descending in a direction that separates from the conductor.
Another significant invention by Itoigawa is a lighting device that utilizes an LED positioned directly below a first illumination window. This device is designed to illuminate not only the first window but also a second illumination window. It features a light guide plate that transmits light from the LED, which includes first and second recess groups corresponding to the first illumination window, as well as a third recess group for the second illumination window.
Career Highlights
Throughout his career, Kouichi Itoigawa has worked with prominent companies such as Kabushiki Kaisha Tokai Rika Denki Seisakusho and K.K. Tokai Rika Denki Seisakusho. His work in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in technology.
Collaborations
Itoigawa has collaborated with several talented individuals in his field, including Hitoshi Muraki and Hiroshi Ueno. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.
Conclusion
Kouichi Itoigawa's contributions to current sensors and lighting devices demonstrate his innovative spirit and technical expertise. His patents reflect a commitment to advancing technology and improving everyday applications.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.