This inventor holds 4 USPTO granted patents and 1 published patent application and 4 EPO patents. Top assignees: The University of Tokyo, Kawasaki Jukogyo Kabushiki Kaisha, The Yokohama Rubber Co., Ltd.. Active years: 2021-2023.
Company Filing History:
4 out of 1,352 
3 out of 3,446 
1 out of 2,770 
Years Active: 2021-2023
Title: Koki Maruyama: Innovator in Wave Power Technology
Introduction
Koki Maruyama is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of wave power technology, holding a total of 4 patents. His innovative designs focus on harnessing wave energy for practical applications.
Latest Patents
One of Maruyama's latest patents is a wave receiving mechanism. This mechanism includes a shaft driving a hydraulic pump and a wave receiving member that consists of an arm and a wave receiving plate. The arm is unrotatably attached to the shaft, while the plate receives wave force, allowing the wave receiving member to swing about the shaft. The design features first and second arm portions connected by a bendable portion, enabling the arm to swing integrally or bend relative to each other based on the swing angle.
Another significant patent is a wave power generation system. This system comprises a hydraulic pump device that operates using wave force to discharge an operating liquid. It also includes a hydraulic motor device that rotates due to the flowing liquid, a power generator driven by the hydraulic motor to generate electric power, and a heat exchanger device for performing heat exchange of the operating liquid. The heat exchanger device is equipped with a heat exchange motor device and a refrigerant pump, enhancing the efficiency of the system.
Career Highlights
Koki Maruyama has worked with prestigious organizations, including the University of Tokyo and Kawasaki Heavy Industries. His experience in these institutions has allowed him to develop and refine his innovative technologies in wave energy.
Collaborations
Maruyama has collaborated with notable colleagues such as Chang-Kyu Rheem and Hidetaka Kobayashi. Their combined expertise has contributed to the advancement of wave power technologies.
Conclusion
Koki Maruyama is a pioneering inventor in the field of wave power technology, with a focus on creating efficient systems for harnessing wave energy. His contributions and collaborations continue to influence the development of sustainable energy solutions.