This inventor holds 2 USPTO granted patents. Top assignees: Hyundai Motor Company, Kia Motors Corporation, Unick Corporation. Active years: 2014-2023.
Company Filing History:
2 out of 20,217 
1 out of 8,093 
1 out of 16 
Years Active: 2014-2023
Title: Gyu Chull Doh: Innovator in Hydraulic Systems
Introduction
Gyu Chull Doh is a notable inventor based in Yongin-si, South Korea. He has made significant contributions to the field of hydraulic systems, holding a total of 2 patents. His work focuses on enhancing the efficiency and functionality of hydraulic pumps and braking systems.
Latest Patents
One of Gyu Chull Doh's latest patents is an electric oil pump for hydraulic control and oil supplying system. This innovative electric hydraulic pump for a transmission includes a motor with a motor cover and a motor case, housing a stator and a rotor. The pump features a pump case that forms a pump chamber, along with a gear rotor connected to the rotor through a motor shaft. This design allows for effective oil circulation, with multiple oil circulation holes and a connecting hole facilitating the oil flow channel.
Another significant patent is the locking apparatus for a parking brake. This system includes a parking lever and a parking lever spring that applies a restoring force. It also features a cylinder with an oil hole, a piston connected to the parking lever, and a solenoid valve. The locking unit within the cylinder is designed to unlock the piston when the solenoid valve receives electric power and to lock it when power is not supplied.
Career Highlights
Gyu Chull Doh has worked with prominent companies in the automotive industry, including Hyundai Motor Company and Unick Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas in hydraulic technology.
Collaborations
Some of Gyu Chull Doh's notable coworkers include Sung Wook Jang and Chang-Hoon Lee. Their collaboration has likely contributed to the advancement of their projects and innovations in hydraulic systems.
Conclusion
Gyu Chull Doh is a distinguished inventor whose work in hydraulic systems has led to valuable patents that enhance automotive technology. His contributions continue to influence the industry and pave the way for future innovations.