Company Filing History:
6 out of 36,713 
1 out of 5,207 
1 out of 104 Years Active: 1987-1995
Title: Keiji Takeshita: Innovator in Vehicle Transmission Technology
Introduction
Keiji Takeshita is a prominent inventor based in Toyota, Japan. He has made significant contributions to the field of vehicle transmission technology, holding a total of 7 patents. His innovative designs have enhanced the functionality and efficiency of automotive systems.
Latest Patents
Among his latest patents is the "Interlock mechanism in vehicle transmission." This invention involves an interlock mechanism associated with a shift mechanism for change-speed gearing in power transmission. The design includes a plurality of parallel fork shafts that are axially slidably supported from the casing of the power transmission. The interlock mechanism comprises a single interlock plate that is movable in one direction, allowing for selective engagement with the fork shafts. This innovation permits axial movement of one fork shaft while restricting the movement of others.
Another notable patent is the "Electric control apparatus for transfer device in part-time four-wheel drive." This apparatus is designed for part-time four-wheel drive vehicles, allowing for the selection of the four-wheel drive mode during travel in two-wheel drive mode. The system ensures that the engagement of the clutch mechanism occurs without causing heavy loads, thus enhancing the vehicle's performance.
Career Highlights
Keiji Takeshita has worked with renowned companies such as Toyota Motor Corporation and Aisin Seiki Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas in automotive technology.
Collaborations
Throughout his career, Takeshita has collaborated with notable colleagues, including Hideo Hamano and Yasumichi Funato. These partnerships have contributed to the advancement of his projects and the successful implementation of his inventions.
Conclusion
Keiji Takeshita's contributions to vehicle transmission technology exemplify his innovative spirit and dedication to improving automotive systems. His patents reflect a commitment to enhancing vehicle performance and safety, making him a significant figure in the field of automotive engineering.