This inventor holds 4 USPTO granted patents and 1 EPO patent. Top assignees: Semiconductor Components Industries, LLC, Sanyo Semiconductor Co., Ltd.. Active years: 2012-2016.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Gifu, JP (2012 - 2013)
- Hashima-gun, JP (2016)
Company Filing History:
4 out of 3,733 
2 out of 306 Years Active: 2012-2016
Title: The Innovative Contributions of Yoshihiro Niwa
Introduction
Yoshihiro Niwa is a notable inventor based in Gifu, Japan. He has made significant contributions to the field of motor drive technology, holding a total of 4 patents. His work focuses on enhancing the efficiency and control of motor drive circuits.
Latest Patents
Niwa's latest patents include a driver circuit and method that effectively controls the amount of motor drive current to an appropriate value. This innovation involves the use of two coils to rotate a rotor by supplying currents with different phases. During a specific phase where one coil is in a high-impedance state, the induced voltage generated in that coil is detected. The output control circuit then adjusts the motor drive currents supplied to both coils based on the state of the induced voltage. Another patent details a motor drive circuit that rotates a rotor by supplying currents to two coils. This design includes an induced voltage detector that utilizes a differential amplifier circuit to amplify the electric potential across the coils and an analog-to-digital converter to output a digital value to a control unit. The control unit generates and adjusts the drive signal according to the detected induced voltage.
Career Highlights
Throughout his career, Yoshihiro Niwa has worked with prominent companies such as Semiconductor Components Industries, LLC and Sanyo Semiconductor Co., Ltd. His experience in these organizations has contributed to his expertise in semiconductor technology and motor drive systems.
Collaborations
Niwa has collaborated with notable colleagues, including Kazumasa Takai and Takeshi Naganuma. These partnerships have likely fostered innovation and development in their respective fields.
Conclusion
Yoshihiro Niwa's contributions to motor drive technology and his innovative patents demonstrate his significant impact on the industry. His work continues to influence advancements in motor control systems, showcasing the importance of innovation in engineering.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile