Company Filing History:
8 out of 8,782 
2 out of 3,597 
1 out of 306 Years Active: 2002-2014
Title: Hiroyuki Tsuda: Innovator in Circuit Design
Introduction
Hiroyuki Tsuda is a prominent inventor based in Ichinomiya, Japan. He has made significant contributions to the field of circuit design, holding a total of 10 patents. His work has had a considerable impact on various technological advancements.
Latest Patents
One of Tsuda's latest patents is a Hall element control circuit. This innovative circuit supplies bias voltage to a high-potential-side input terminal of a Hall element while providing ground potential to a low-potential-side input terminal. It features a P-channel type transistor that connects the source terminal to the power supply potential and the drain terminal to the first terminal. An operational amplifier is utilized to differentially amplify the voltage between a predetermined set voltage and the voltage at the first terminal, effectively controlling the gate voltage of the P-channel type transistor.
Another notable patent is a focus control circuit designed for adjusting the focus by moving a lens. This circuit is integrated into an image pickup apparatus that includes a lens, a driver element for adjusting the lens position, and a position detecting element. The feedback equalizer within the focus control circuit generates a drive signal to adjust the lens position to a target position, based on the difference between the detected position and the externally set target position.
Career Highlights
Throughout his career, Hiroyuki Tsuda has worked with several notable companies, including Sanyo Electric Co., Ltd. and Semiconductor Components Industries, LLC. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects.
Collaborations
Tsuda has collaborated with talented individuals such as Takayuki Suzuki and Tomonori Kamiya. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.
Conclusion
Hiroyuki Tsuda's contributions to circuit design and his impressive portfolio of patents highlight his role as a key innovator in the field. His work continues to influence advancements in technology and inspire future inventors.