Tokyo, Japan

Shigeki Nagaya

This inventor holds 22 USPTO granted patents and 2 published patent applications, plus 1 CIPO patent and 2 EPO patents, primarily in Image Processing Technology. Top assignees: Hitachi, Ltd., Ihi Corporation, Hitachi Kokusai Electric Co., Ltd.. Active years: 1998-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shigeki Nagaya. Retrieved from https://idiyas.com/inventor/shigeki-nagaya

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 22 

% Patents Active = 77.3


 

Average Co-Inventor Count = 3.5

ph-index = 10

Forward Citations = 505(Granted Patents)


Location History:

  • Ibaraki, JP (1998)
  • Tukuba, JP (1998 - 2001)
  • Chofu, JP (2004)
  • Tokyo, JP (2004 - 2019)

Company Filing History:


Years Active: 1998-2019

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Areas of Expertise:
Underwater Device
Image Processing Circuit
Video Signal Processing
Surveillance Camera
Gaze Direction Measurement
Attention Level Measurement
Object Detection
Image Distribution System
Recording System
High Resolution Video
Subaqueous Survey
Change Detection
22 patents (USPTO):Explore Patents

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.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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