Location History:
- Kurita-gun, JP (1997 - 1998)
- Shiga-ken, JP (1997 - 2000)
- Otsu, JP (1998 - 2009)
- Shiga, JP (1995 - 2010)
Company Filing History:
20 out of 27,375 
6 out of 16,453 
Years Active: 1995-2010
Title: The Innovative Mind of Naomi Goto
Introduction
Naomi Goto, a prominent inventor based in Shiga, Japan, has made significant contributions to the field of electrical engineering and power electronics. With an impressive portfolio of 26 patents, Goto has demonstrated a strong ability to innovate and develop advanced technologies that enhance the functionality and efficiency of electric devices.
Latest Patents
Among Goto's latest inventions are two notable patents related to inverter devices. The first patent introduces an inverter device featuring a sophisticated structure that includes an inverter circuit with upper-arm and lower-arm switching elements connected to a DC power source. This design incorporates a current sensor that detects the current flow and a control circuit that uses pulse-width modulation (PWM) techniques, enabling the inverter to output AC current effectively to a motor. The control circuit cleverly applies first and second corrections to the carrier cycle, allowing the current sensor to accurately detect the motor's phase current. When these corrections are applied, ripple currents generated are opposite in polarity, ensuring improved performance.
Additionally, Goto has developed an inverter that calculates an average value of the direct current (DC). This device includes an inverter circuit and a current detector, which utilize PWM to convert DC into AC for load applications. The innovative structure allows the inverter to determine the average DC value flowing between the power supply and the inverter circuit by leveraging the product of the ON-period of the switching elements and the detected current value.
Career Highlights
Goto has enjoyed a fruitful career, working with leading corporations in the electronics sector. Notably, he has been associated with both Matsushita Electric Industrial Co., Ltd. and Panasonic Corporation, where his expertise has driven advancements in power electronics.
Collaborations
Throughout his career, Goto has collaborated with esteemed colleagues such as Makoto Yoshida and Yasufumi Kurahashi. These collaborations have led to various technological advancements and have contributed to developing innovative solutions in the field of inverters and power conversion.
Conclusion
Naomi Goto's remarkable contributions to the field of electrical engineering, coupled with his extensive patent portfolio, exemplify his role as an innovator in power electronics. His inventions have not only provided enhanced functionality for electrical devices but have also paved the way for future advancements in inverter technology. As the industry continues to evolve, Goto's work remains a significant source of inspiration for aspiring inventors and engineers.