Hitachi, Japan

Nobuyoshi Iwatsuka

This inventor holds 2 USPTO granted patents. Top assignee: Hitachi, Ltd.. Active years: 1986-1987.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Nobuyoshi Iwatsuka. Retrieved from https://idiyas.com/inventor/nobuyoshi-iwatsuka

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


% Patents Active = 100.0

Average Co-Inventor Count = 4.8

ph-index = 2

Forward Citations = 119(Granted Patents)


Company Filing History:


Years Active: 1986-1987

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2 patents (USPTO):Explore Patents

Title: Nobuyoshi Iwatsuka: Innovator in Manipulator Technology

Introduction

Nobuyoshi Iwatsuka is a prominent inventor based in Hitachi, Japan. He has made significant contributions to the field of robotics, particularly in the development of manipulators designed for challenging environments. With a total of 2 patents, Iwatsuka's work showcases his innovative approach to engineering and technology.

Latest Patents

Iwatsuka's latest patents include a "Manipulator" and a "Multiarticulated Manipulator." The manipulator is designed for tasks in remote locations that are difficult for operators to access. It features an arm composed of a series of modules, each equipped with an articulate and an address decoder. This design allows for easy maintenance and high flexibility. The operation of the arm modules is managed by a control system that includes multiple angular-position commanding circuits and a time-sharing control circuit.

The multiarticulated manipulator includes a multijoint connecting mechanism with several arms, each capable of bending in one plane. These arms are connected at intervals of 90 degrees, enhancing the manipulator's versatility. Each arm is connected to a wire that is guided and driven by a system of wire guides. This manipulator is integrated into a movable remote-controlled visual monitor system, which features a lens, a fiberscope, and a camera for enhanced functionality.

Career Highlights

Nobuyoshi Iwatsuka is associated with Hitachi, Ltd., a leading company in technology and innovation. His work has significantly impacted the development of robotic systems, particularly in applications requiring precision and adaptability.

Collaborations

Iwatsuka has collaborated with notable coworkers such as Norihiko Ozaki and Yoshiaki Ichikawa. Their combined expertise has contributed to the advancement of manipulator technology.

Conclusion

Nobuyoshi Iwatsuka's innovative work in manipulator technology exemplifies the potential of robotics in overcoming challenges in inaccessible environments. His contributions continue to influence the field and inspire future advancements.

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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