Location History:
- Susono, JP (2012 - 2017)
- Fujinomiya, JP (2018)
- Mumazu, JP (2019)
- Numazu, JP (2017 - 2022)
Company Filing History:
31 out of 36,499 
1 out of 85 
1 out of 26 
Years Active: 2012-2025
Title: Takahiro Shiina: Innovator and Patent Holder in Automotive Engineering
Introduction
Takahiro Shiina, based in Numazu, Japan, is a prominent inventor known for his contributions to automotive engineering. With an impressive portfolio of 31 patents, Shiina has made significant advancements in vehicle technology, particularly in the areas of transaxles and heat exchangers. His work reflects a commitment to improving vehicle efficiency and performance.
Latest Patents
Among Shiina's latest innovations are two noteworthy patents. The first patent is for a **transaxle** that incorporates a planetary gear reducer and a differential device. This design features a stepped pinion with an integrated pinion shaft, along with needle bearings that enhance its functionality. The structure allows the stepped pinion to rotate in relation to the carrier while ensuring a smooth connection with the differential device.
The second patent focuses on an innovative **heat exchanger** for vehicles. This device is designed to efficiently manage the flow of engine coolant, engine oil, and transmission oil, which each flow at different rates. By layering multiple plates, the heat exchanger creates distinct flow passages for each fluid, optimizing the cooling process in the powertrain system.
Career Highlights
Takahiro Shiina has held pivotal roles at notable companies such as **Toyota Motor Corporation** and **Mahle Filter Systems Japan Corporation**. His experiences at these leading automotive firms have equipped him with a deep understanding of vehicle technologies and an innovative approach to problem-solving.
Collaborations
Throughout his career, Shiina has collaborated with esteemed colleagues, including Akira Murakami and Daisuke Tokozakura. These partnerships have fostered a creative environment that encourages the sharing of ideas and the development of groundbreaking technologies in the automotive sector.
Conclusion
Takahiro Shiina stands out as a remarkable inventor whose patents have significantly impacted the automotive industry. His innovative designs for transaxles and heat exchangers exemplify his dedication to advancing vehicle performance and efficiency. As he continues to build on his impressive legacy, his contributions will undoubtedly inspire future innovations 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.