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For the Inventor, By the Inventor

Katsuta, Japan

Hiroo Konishi

This inventor holds 10 USPTO granted patents. Top assignee: Hitachi, Ltd.. Active years: 1981-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroo Konishi. Retrieved from https://idiyas.com/inventor/hiroo-konishi

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

USPTO Granted Patents = 10

% Patents Active = 100.0

Average Co-Inventor Count = 1.9

ph-index = 8

Forward Citations = 119(Granted Patents)


Location History:

  • Hitachi, JP (1981)
  • Ibaraki, JP (1981 - 1990)
  • Katsuta, JP (1982 - 1996)
  • Hitachinaka, JP (1997 - 1998)

Company Filing History:

goldMedal10 out of 42,740 
 
Hitachi, Ltd.
 patents

Years Active: 1981-1998

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10 patents (USPTO):Explore Patents
1. 5710492 - Apparatus for monitoring and stabilizing power swing in a power system (1998-01-20),
2. 5703791 - Electric power system stabilization control apparatus and method thereof (1997-12-30),
3. 5535113 - Control equipment for high voltage direct current transmission system (1996-07-09),
4. 5396411 - Power conversion system, and a method of power conversion using such a (1995-03-07),
5. 5349522 - Method and apparatus for controlling the output voltage of an AC (1994-09-20),
6. 4897593 - Reactive power compensator for electric power system (1990-01-30),
7. 4441032 - Converter control apparatus for parallel connected multi-terminal direct (1984-04-03),
8. 4330815 - DC Transmission control system (1982-05-18),
9. 4264951 - DC Power transmission control (1981-04-28),
10. 4263517 - Control method and system for an high voltage direct current system (1981-04-21),

Title: Innovations of Hiroo Konishi

Introduction

Hiroo Konishi is a prominent inventor based in Katsuta, Japan. He has made significant contributions to the field of power system stabilization, holding a total of 10 patents. His work focuses on enhancing the efficiency and reliability of power systems through innovative technologies.

Latest Patents

One of his latest patents is an "Apparatus for monitoring and stabilizing power swing in a power system." This invention addresses the challenges faced by power systems that connect multiple power plants, load systems, and transmission components. By controlling a semiconductor switch in a power system stabilizing apparatus, the invention effectively stabilizes the system and suppresses power swings. This is achieved through a stabilizing command signal generated from various state values, such as voltage and current, detected by specialized circuits.

Another notable patent is the "Electric power system stabilization control apparatus and method thereof." This invention involves a comprehensive system that takes in system information and determines the states of the power system. It includes components that analyze swing modes and decide optimal control plans based on dynamic eigenvalues. The control plans are then output to the system stabilizing components, ensuring efficient operation.

Career Highlights

Hiroo Konishi is associated with Hitachi, Ltd., a leading company in technology and innovation. His work at Hitachi has allowed him to develop groundbreaking solutions that enhance power system stability and efficiency. His contributions have been instrumental in advancing the field of electrical engineering.

Collaborations

Throughout his career, Hiroo has collaborated with notable colleagues, including Masahiko Amano and Masahiro Watanabe. These collaborations have fostered a creative environment that has led to significant advancements in their respective fields.

Conclusion

Hiroo Konishi's innovative work in power system stabilization has made a lasting impact on the industry. His patents reflect a deep understanding of electrical systems and a commitment to improving their functionality. His contributions continue to influence the future of power engineering.

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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