This inventor holds 4 USPTO granted patents and 1 published patent application. Top assignee: Aisin Seiki Kabushiki Kaisha. Active years: 2004-2008.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2004-2008
Title: Kazutoshi Tsunekawa: Innovator in Automatic Transmission Technology
Introduction
Kazutoshi Tsunekawa is a prominent inventor based in Kariya, Japan. He has made significant contributions to the field of automatic transmission technology, holding a total of 4 patents. His innovative designs have advanced the efficiency and functionality of automatic transmission systems.
Latest Patents
Tsunekawa's latest patents include an automatic transmission apparatus and a torque converter. The automatic transmission apparatus features a torque converter that includes a pump impeller connected to an engine and a turbine connected to an input shaft of the automatic transmission. It also incorporates an oil pump connected to both the pump impeller and the turbine, along with a controlling means for selecting one of the engine and the turbine as a driving power source for the oil pump. This design allows the oil pump to generate oil pressure through the rotation of the selected power source.
The torque converter patent describes a lock-up clutch controlling device that utilizes a three-dimensional back pressure map, a sensor, and a lock-up pressure controlling unit. This system determines the back pressure of a lock-up piston based on the engine's rotational speed, oil temperature, and speed ratio. The sensor monitors parameters that influence the back pressure, while the controlling unit calculates and outputs the necessary lock-up pressure to be applied to the lock-up clutch.
Career Highlights
Kazutoshi Tsunekawa is currently employed at Aisin Seiki Kabushiki Kaisha, a leading company in the automotive parts industry. His work focuses on developing advanced technologies that enhance vehicle performance and reliability. His contributions have been instrumental in improving automatic transmission systems, making them more efficient and user-friendly.
Collaborations
Tsunekawa has collaborated with notable coworkers, including Yuuki Ohta and Keisuke Kurokawa. Their teamwork has fostered innovation and creativity in their projects, leading to successful advancements in automatic transmission technology.
Conclusion
Kazutoshi Tsunekawa's work in automatic transmission technology exemplifies the spirit of innovation. His patents and contributions continue to shape the future of automotive engineering.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile