This inventor holds 8 USPTO granted patents. Top assignee: Canon Kabushiki Kaisha. Active years: 2005-2021.
Location History:
- Abiko, JP (2005)
- Saitama, JP (2009 - 2010)
- Tokorozawa, JP (2011 - 2021)
Company Filing History:
Years Active: 2005-2021
Title: Yuichi Naoi: Innovator in Motor Drive Technology
Introduction
Yuichi Naoi is a prominent inventor based in Tokorozawa, Japan. He has made significant contributions to the field of motor drive technology, holding a total of 8 patents. His work focuses on enhancing the efficiency and control of DC motors through innovative circuit designs.
Latest Patents
Among his latest patents, Naoi has developed a motor drive circuit and a method of controlling the same, along with a storage medium. This technique aims to perform PWM control of DC motors using a CPU and a motor drive circuit connected by fewer serial interfaces. The motor drive circuit includes energization control units that switch the directions of energization of motors using switching elements driven by PWM signals. Additionally, it features a reception unit that receives data indicating motor energization and PWM signal duty ratios from a computation apparatus via serial communication. The circuit also comprises a first signal generation unit that generates motor control signals and a second signal generation unit that produces PWM signals with duty ratios set according to the corresponding motor control signals.
Another notable patent involves a control apparatus for an operation panel and electronic apparatus. In this design, a signal line used in a key matrix is shared between signal lines for two display units. Two types of periodic pulse signals are superimposed on a level signal indicating data displayed on the second display unit, facilitating efficient key input detection and data display.
Career Highlights
Yuichi Naoi is currently employed at Canon Kabushiki Kaisha, where he continues to innovate in the field of motor drive technology. His work has significantly impacted the efficiency and functionality of electronic devices.
Collaborations
Naoi has collaborated with notable colleagues, including Koichi Morishita and Yasufumi Ogasawara, contributing to various projects that enhance motor control technologies.
Conclusion
Yuichi Naoi's contributions to motor drive technology through his patents and work at Canon Kabushiki Kaisha highlight his role as a leading inventor in this field. His innovative approaches continue to shape the future of motor control systems.