Sakura, Japan

Hiroshi Sugai

This inventor holds 8 USPTO granted patents. Top assignees: Hitachi, Ltd., Hitachi Keiyo Eng. Co., Ltd., Hitachi Keiyo Engineering Co., Ltd.. Active years: 1985-1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Sugai. Retrieved from https://idiyas.com/inventor/hiroshi-sugai

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 = 5.3

ph-index = 6

Forward Citations = 102(Granted Patents)


Company Filing History:


Years Active: 1985-1993

Loading Chart...
8 patents (USPTO):Explore Patents

Title: The Innovative Mind of Hiroshi Sugai

Introduction

Hiroshi Sugai, hailing from Sakura, Japan, is an accomplished inventor known for his significant contributions to the field of motor control systems. With a total of 8 patents, Sugai has been at the forefront of innovations that enhance the performance and reliability of various motor driving and detection technologies.

Latest Patents

Among his latest patents is a groundbreaking Motor Driving Control Apparatus. This invention allows for individual testing operations of servomotor driving control apparatuses and inverter apparatuses. By generating test operation commands internally, this device performs both function and performance checks, significantly improving reliability and ease of operation. Another notable patent is the Method and Apparatus for Detecting Positions and/or Speed of a Moving Object. This technology utilizes sine wave signals from a position detector to accurately determine the position and speed of a rotating or moving body. The method ensures optimal control at varying speeds, allowing for superhigh resolution speed detection, thereby minimizing uneven rotation, particularly at extremely low speeds.

Career Highlights

Throughout his career, Hiroshi Sugai has made impactful strides while working with some prominent companies. He gained invaluable experience at Hitachi, Ltd. and later at Hitachi Keiyo Engineering Co., Ltd. His work in these organizations has contributed to advancements in various engineering fields, particularly in motor control systems.

Collaborations

Sugai’s innovative journey has been supported by collaborations with respected colleagues, including Sumio Kobayashi and Hisakazu Ninomiya. Their joint efforts have played a crucial role in the development of Sugai's advancements, fostering a collaborative environment that encourages the exchange of ideas and technological improvements.

Conclusion

Hiroshi Sugai stands out as an influential inventor within the realm of motor control technology. His patents have paved the way for enhancements in both functionality and reliability of motor systems. As a dedicated innovator, Sugai’s contributions continue to impact the industry, driving progress and facilitating advancements in engineering solutions.

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]
Loading…