Location History:
- Yamatokooriyama, JP (1993)
- Nara, JP (1994 - 2009)
- Osaka, JP (2009)
- Kashihara, JP (2003 - 2019)
Company Filing History:
Years Active: 1993-2019
Title: **Akihiko Shiina: Innovator in Steering Technology**
Introduction
Akihiko Shiina is a prolific inventor based in Kashihara, Japan, holding an impressive portfolio of 23 patents. His work primarily focuses on innovative steering systems, contributing to advancements in automotive technology.
Latest Patents
Among his latest inventions is a sophisticated **steering system** designed to enhance vehicle control. This system incorporates a steering shaft connected to a steering member, featuring a worm wheel that rotates integrally with the steering shaft. The innovation also includes a housing that encases the worm wheel, along with an output shaft that is coaxial with the steering shaft, allowing rotation relative to it. A notable aspect of this design is the inclusion of a clutch mechanism, which facilitates the transmission of power between the steering shaft and output shaft, housed within the internal space of the housing. Additionally, a solenoid is strategically placed on the opposite side of the worm wheel, optimizing the axial configuration of the clutch mechanism.
Another significant patent from Shiina is a **steering device** that employs a two-way clutch mechanism. This device features a worm wheel that rotates with an input shaft, activated by a coil that generates the drive force necessary for coupling or decoupling the input shaft from the output shaft. The intricate design includes a center circular plate portion fixed to the input shaft, a radial ring portion, and a toothed portion, all working harmoniously to enhance vehicle handling.
Career Highlights
Akihiko Shiina has made notable contributions to major companies in the automotive industry, including Jtekt Corporation and Koyo Seiko Company, Ltd. His career reflects a commitment to innovation and excellence in steering technology, setting a high standard in the field.
Collaborations
Throughout his career, Shiina has collaborated with esteemed colleagues such as Mitsuharu Minami and Hideo Matsubara. These partnerships have undoubtedly enriched his research and development efforts, leading to the creation of cutting-edge steering solutions.
Conclusion
In summary, Akihiko Shiina's contributions to the field of steering technology through his 23 patents showcase his ingenuity and dedication to innovation. His latest inventions reflect a deep understanding of vehicle dynamics, significantly improving how drivers interact with their vehicles. As technology continues to evolve, Shiina's work remains a vital influence within the automotive sector.
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.