Company Filing History:
12 out of 651 
2 out of 211 
1 out of 539 Years Active: 2007-2025
Title: **Takeshi Ouchida: A Pioneer in Underwater Propulsion Technologies**
Introduction
Takeshi Ouchida, an innovative inventor based in Osaka, Japan, has made significant contributions to the field of underwater propulsion systems. With a portfolio of 14 patents, Ouchida is recognized for his forward-thinking designs that enhance the performance and efficiency of watercraft.
Latest Patents
Among Ouchida's latest inventions are two notable patents focused on underwater propulsion devices. The first is an **Underwater Propulsive Device of Watercraft**, which features a flotation unit and a sophisticated propulsion assembly. This device includes a hollow body with two compartments, housing a motor and a propeller, both of which are designed to work seamlessly together. The innovative structure allows for efficient water intake and propulsion, making watercraft more agile and efficient in underwater navigation.
The second invention, the **Underwater Propulsion Unit**, integrates a motor and propeller within a specially designed housing. The motor's positioning further enhances propulsion efficiency, while the introduction inlet and spout outlet facilitate optimal water flow. This clever design is aimed at maximizing performance while ensuring compactness and effectiveness in underwater operations.
Career Highlights
Throughout his career, Ouchida has been associated with prominent companies, including Yanmar Co., Ltd. and Yanmar Power Technology Co., Inc. His work in these organizations has helped elevate the standards of underwater propulsion technologies and streamline watercraft design.
Collaborations
Ouchida has collaborated with notable peers in the industry, including Shuji Shiozaki and Shingo Eguchi. These collaborations reflect a strong network of talented individuals dedicated to advancing innovation in marine engineering.
Conclusion
Takeshi Ouchida stands out as a visionary inventor whose underwater propulsion technologies are paving the way for the future of watercraft design. His dedication to innovation, combined with his extensive patent portfolio, underscores his valuable contributions to the field, making him a key player in the ongoing evolution of marine technology.