Location History:
- Shizuoka, JP (2001 - 2004)
- Hamamatsu, JP (1998 - 2006)
Company Filing History:
4 out of 58 
1 out of 9 
1 out of 832,718 Years Active: 1998-2006
Title: Seiji Makita: Innovator in Power Transmission Systems
Introduction
Seiji Makita is a prominent inventor based in Hamamatsu, Japan, known for his contributions to power transmission systems. With a total of six patents to his name, Makita has made significant advancements in the field of vehicle technology.
Latest Patents
One of his latest patents is a transmitting system for small-sized vehicles. This innovative system incorporates a centrifugal clutch and a torque converter, which includes a pump impeller connected to an output drum of the centrifugal clutch and a turbine impeller linked to an output gear. The design allows for the pump impeller and the output drum to be integrally coupled, which helps prevent rotation vibrations and unusual noises without the need for high-precision machining. This design also reduces the number of components and assembly steps while enhancing maintainability.
Another notable patent is a power transmission device for astride-riding vehicles. This device features a torque converter and a clutch arranged in series within the transmission route between an engine and a gear speed change device. The torque converter is designed to maximize pump capacity at a speed ratio of zero, gradually decreasing as the speed ratio increases. This configuration provides linear properties, allowing both the engine and turbine rotational speeds to increase substantially in response to acceleration, thereby improving drivability.
Career Highlights
Throughout his career, Seiji Makita has worked with various companies, including Yutaka Giken Co., Ltd. His work has focused on enhancing the efficiency and performance of power transmission systems in vehicles.
Collaborations
Makita has collaborated with notable coworkers such as Tokuji Yoshimoto and Masafumi Imasaka, contributing to the development of innovative technologies in the automotive sector.
Conclusion
Seiji Makita's contributions to power transmission systems have significantly impacted vehicle technology. His innovative patents demonstrate his commitment to improving drivability and maintainability in automotive engineering.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.