This inventor holds 3 USPTO granted patents and 1 published patent application. Top assignees: Panasonic Intellectual Property Management Co., Ltd., Panasonic Corporation. Active years: 2011-2019.
Company Filing History:
2 out of 13,338 
1 out of 16,454 
Years Active: 2011-2019
Title: Harumoto Itou: Innovator in Ventilation Technology
Introduction
Harumoto Itou is a notable inventor based in Aichi, Japan, recognized for his contributions to ventilation technology. With a total of 3 patents, he has developed innovative solutions that enhance the efficiency and effectiveness of ventilation devices.
Latest Patents
Itou's latest patents include a sophisticated ventilation device that features an AC voltage estimation unit. This unit estimates AC voltage based on a DC voltage detected by a voltage detection unit and a current detected by a current detection unit. Additionally, an air volume computation unit determines the rotation speed of a motor based on the estimated AC voltage and a target air volume output from a target air volume computation unit. Another patent describes a ventilation device that incorporates shunt resistors inserted between the lower stage in respective phases of an inverter circuit and the negative potential side. The potential differences across these shunt resistors, caused by current flow, are amplified by an amplifier unit. This setup allows for accurate detection of the current flowing through the motor windings, ensuring that the ventilation device maintains a constant air volume across varying conditions.
Career Highlights
Throughout his career, Harumoto Itou has worked with prominent companies, including Panasonic Intellectual Property Management Co., Ltd. and Panasonic Corporation. His experience in these organizations has significantly contributed to his expertise in the field of ventilation technology.
Collaborations
Itou has collaborated with talented individuals such as Tsuraki Nakajima and Kazuki Doumoto, further enhancing the innovative projects he has undertaken.
Conclusion
Harumoto Itou's work in developing advanced ventilation devices showcases his commitment to innovation and efficiency in technology. His patents reflect a deep understanding of electrical engineering and practical applications in everyday life.