This inventor holds 6 USPTO granted patents. Top assignee: Kawasaki Jukogyo Kabushiki Kaisha. Active years: 1996-2003.
Company Filing History:
Years Active: 1996-2003
Title: Haruyoshi Maruyama: Innovator in Watercraft Technology
Introduction
Haruyoshi Maruyama is a notable inventor based in Kakogawa, Japan. He has made significant contributions to the field of watercraft technology, holding a total of 6 patents. His innovative designs focus on enhancing the performance and functionality of watercraft.
Latest Patents
One of Maruyama's latest patents involves a watercraft equipped with steering components designed to maintain steering capability even when the amount of water ejected from a propulsion pump is decreased. The steering components are strategically placed on the hull of the watercraft at or below the water level on both sides. This design allows for an "Operating State," where water resistance is greater, and a "Non-operating State," where resistance is reduced, depending on the steering operation. Additionally, a mechanism is included to absorb external forces acting on the steering components, enabling them to transition to the "Non-operating State" when necessary.
Another significant patent focuses on the hull shape of a personal watercraft. This design aims to enhance speed performance while simultaneously reducing the rolling of the body. A bulging face is formed on the outside part of the rear portion of the hull bottom, which has a substantially V-shaped cross-section and protrudes downward. This innovative hull shape includes a fore part inclined downward in the rearward direction and a rear part positioned above a virtual face extended rearwardly from the fore part.
Career Highlights
Maruyama is associated with Kawasaki Jukogyo Kabushiki Kaisha, a leading company in the manufacturing of vehicles and machinery. His work at Kawasaki has allowed him to develop and refine his innovative ideas in watercraft technology.
Collaborations
Throughout his career, Maruyama has collaborated with talented individuals such as Takehiro Nakashima and Yoshinori Tsumiyama. These collaborations have contributed to the advancement of watercraft technology and the successful development of his patents.
Conclusion
Haruyoshi Maruyama is a distinguished inventor whose work in watercraft technology has led to several innovative patents. His contributions continue to influence the industry and enhance the performance of watercraft.