Location History:
- Ibaraki, JP (1998)
- Tukuba, JP (1998 - 2001)
- Chofu, JP (2004)
- Tokyo, JP (2004 - 2019)
Company Filing History:
18 out of 42,485 
3 out of 1,140 
2 out of 3 
Years Active: 1998-2019
Title: Shigeki Nagaya: Innovating Underwater Power Generation
Introduction
Shigeki Nagaya, based in Tokyo, Japan, is an accomplished inventor with an impressive portfolio of 22 patents. His innovative contributions to underwater devices have positioned him as a significant figure in the field of energy generation technology.
Latest Patents
Nagaya's latest patents include a groundbreaking underwater device and method for controlling the posture of an underwater device. This underwater floating-type power generation device features a main body equipped with two pods containing turbines. It utilizes a connecting beam that links these pods in parallel, along with a sinker and tether cables that anchor the device to the seabed. Each turbine is designed with variable pitch turbine blades, allowing for dynamic adjustments in response to detected deviations in posture. The device also incorporates a depth meter to monitor roll direction deviations and a posture controller to stabilize the device by adjusting the turbine blades accordingly. Furthermore, he has developed a pod for an ocean current power generation device that includes a ballast tank and an air storage tank, facilitating efficient water management to optimize buoyancy and functionality.
Career Highlights
Shigeki Nagaya has had a distinguished career, having worked with major companies such as Hitachi, Ltd. and IHI Corporation. His roles in these organizations have allowed him to apply his innovative designs in practical applications, significantly contributing to advancements in underwater technology.
Collaborations
Throughout his career, Nagaya has collaborated with notable colleagues, including Takehiro Fujita and Takafumi Miyatake. These partnerships have enhanced his creative processes and facilitated the development of revolutionary technologies in the energy sector.
Conclusion
Shigeki Nagaya's contributions to underwater power generation exemplify the spirit of innovation and dedication to harnessing renewable energy sources. His 22 patents reflect a commitment to advancing technology that can potentially transform the way we generate and utilize energy in aquatic environments. As he continues to develop pioneering solutions, the impact of his work on the industry is likely to be profound.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.