This inventor holds 75 USPTO granted patents and 20 published patent applications and 5 EPO patents, primarily in Sensor Technology (CPC class H01L). Top assignees: Kabushiki Kaisha Toshiba, Canon Kabushiki Kaisha, Toshiba Energy Systems & Solutions Corporation. Active years: 2004-2026.
Inventors with similar research interests:
Location History:
- Kanagawa, JP (2014)
- Kanagawa-ken, JP (2004 - 2016)
- Kawasaki, JP (2006 - 2017)
- Tokyo, JP (2004 - 2022)
- Kawasaki Kanagawa, JP (2017 - 2022)
- Yokohama, JP (2023)
Company Filing History:
67 out of 53,250Â 
6 out of 92,901Â 
3 out of 335Â 
Years Active: 2004-2026
Areas of Expertise:
Title: **Akira Fujimoto: Innovator in Electrical Engineering**
Introduction
Akira Fujimoto is a notable inventor based in Kawasaki, Japan, with an impressive portfolio of 67 patents. His contributions primarily focus on the advancements in partial discharge measurement apparatus and related systems, enhancing the diagnostics for electrical machines.
Latest Patents
Fujimoto's latest inventions include a series of patents such as the **partial discharge measurement apparatus**, which is designed to detect partial discharges in rotating electrical machines connected via insulated conductors. This apparatus integrates several critical components: a calibration signal generator, a sensor, a compensation processor, and a signal processor. The calibration signal generator facilitates the application of a calibration signal on the insulating layer of the conductor, while the sensor measures the physical quantities associated with the partial discharge. The innovative compensation processor generates a compensation coefficient, enhancing the accuracy of the signal processor in processing the sensor output.
Another significant patent is the **insulation diagnostic system** and **insulation diagnostic method**, which detail a system that includes a peak-value acquisition circuit for capturing peak values correlating to local discharge from voltage signals detected by non-contact sensors. This system significantly improves the assessment of the charge amount related to partial discharges, particularly during operation and maintenance of rotating electrical machines.
Career Highlights
Throughout his career, Akira Fujimoto has made substantial contributions while working for major corporations such as Toshiba Corporation and Canon Inc. His work at these companies has been pivotal in bringing innovative electrical diagnostic technologies to the market.
Collaborations
Fujimoto has collaborated with notable colleagues in the field, including Koji Asakawa and Ryota Kitagawa. Together, they have contributed to advancing the technologies in electrical diagnostics and insulation systems.
Conclusion
Akira Fujimoto's ongoing commitment to innovation reflects in his extensive patent portfolio and significant contributions to electrical engineering. His work not only enhances the reliability and efficiency of electrical machines but also fosters advancements in diagnostics and preventive maintenance in the industry.