Location History:
- Hamana, JP (1990)
- Shizuoka, JP (1985 - 1995)
- Hamamatsu, JP (1992 - 1995)
Company Filing History:
9 out of 1,061 
2 out of 4,237 
1 out of 8 Years Active: 1985-1995
Title: The Innovative Contributions of Makoto Toyohara
Introduction
Makoto Toyohara is a prominent inventor based in Hamamatsu, Japan. He has made significant contributions to the field of water jet propulsion technology, holding a total of 11 patents. His innovative designs have enhanced the efficiency and performance of watercraft, showcasing his expertise and creativity in engineering.
Latest Patents
One of Toyohara's latest patents is a jet pump system for a water jet propelled boat. This system allows for the adjustment of the water intake opening area or the water entry angle based on the boat's speed. During low-speed operation, the water inlet opening is maximized to ensure sufficient water enters the duct for efficient impeller operation. As the boat accelerates beyond a certain speed, the water inlet area or angle is reduced to minimize drag. Another notable patent is a navigation stabilizing system for a water jet propulsion vessel. This system features a water jet unit with an impeller housing that draws water through an inlet and discharges it for propulsion. The design includes a rudder positioned off-center to enhance maneuverability.
Career Highlights
Throughout his career, Toyohara has worked with notable companies such as Sanshin Kogyo Kabushiki Kaisha and Yamaha Hatsudoki Kabushiki Kaisha. His experience in these organizations has allowed him to develop and refine his innovative ideas in water jet technology.
Collaborations
Toyohara has collaborated with talented individuals in the field, including Hiroshi Tasaki and Tomonori Suzuki. These partnerships have contributed to the advancement of his projects and the successful implementation of his inventions.
Conclusion
Makoto Toyohara's contributions to water jet propulsion technology are noteworthy and impactful. His innovative patents and collaborations reflect his dedication to enhancing the efficiency of watercraft. His work continues to influence the industry and inspire future innovations.