This inventor holds 2 USPTO granted patents. Top assignees: Nippon Kokan Kabushiki Kaisha, Japan Marine Machinery Development Association. Active years: 1983-1984.
Company Filing History:
2 out of 487 
1 out of 3 Years Active: 1983-1984
Title: Innovations of Takashi Watari
Introduction
Takashi Watari is a notable inventor based in Kamakura, Japan. He has made significant contributions to marine technology, particularly in ship speed control and sail design. With a total of 2 patents, his work reflects a commitment to enhancing efficiency in maritime operations.
Latest Patents
One of Watari's latest patents is a "Constant Ship Speed Control Method." This innovative method allows for the control of a ship's speed using a controllable pitch propeller. It calculates the desired horsepower based on actual horsepower, detected ship speed, and preset speed values. The system adjusts the main engine's RPM to optimize fuel consumption while maintaining the desired speed, regardless of changing conditions.
Another significant patent is the "Method for Operating a Rigid Marine Sail." This invention features a rigid sail design with left and right portions that pivot around a common axis. The design minimizes air resistance when the sails are folded and maximizes efficiency when deployed. This innovative approach to sail design enhances the performance of marine vessels.
Career Highlights
Throughout his career, Takashi Watari has worked with prominent organizations such as Nippon Kokan Kabushiki Kaisha and the Japan Marine Machinery Development Association. His experience in these companies has allowed him to develop and refine his innovative ideas in marine technology.
Collaborations
Watari has collaborated with notable individuals in his field, including Hideki Namura and Satoshi Hoshino. These partnerships have contributed to the advancement of his inventions and the overall progress in marine engineering.
Conclusion
Takashi Watari's contributions to marine technology through his patents demonstrate his innovative spirit and dedication to improving maritime efficiency. His work continues to influence the industry and inspire future advancements.