Hitachi, Japan

Keiichi Toyoda

This inventor holds 2 USPTO granted patents. Top assignees: Hitachi, Ltd., Hitachi Engineering Co., Ltd.. Active years: 1983-1986.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keiichi Toyoda. Retrieved from https://idiyas.com/inventor/keiichi-toyoda-7squargz

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 = 2.9

ph-index = 2

Forward Citations = 37(Granted Patents)


Location History:

  • Katsuta, JP (1983)
  • Hitachi, JP (1986)

Company Filing History:


Years Active: 1983-1986

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2 patents (USPTO):Explore Patents

Title: Keiichi Toyoda: Innovator in Plant Control Technologies

Introduction

Keiichi Toyoda is a notable inventor based in Hitachi, Japan. He has made significant contributions to the field of plant control technologies, holding 2 patents that showcase his innovative approaches to monitoring and controlling plant operations.

Latest Patents

Toyoda's latest patents include a "Method and apparatus for controlling an operation of plant" and a "Method of and apparatus for monitoring performance of steam power plant." The first patent focuses on an apparatus designed to control the operation of a turbine plant by computing saturation pressure based on detected values. This innovation aims to prevent flashing by maintaining pressure in the downcomer pipe. The second patent outlines a method for monitoring the performance of a steam power plant through calculations based on various operational states, such as feedwater flow rate and steam pressure. This method includes functions for judging load fluctuations and steady-state durations, ensuring accurate performance monitoring.

Career Highlights

Throughout his career, Keiichi Toyoda has worked with prominent companies, including Hitachi, Ltd. and Hitachi Engineering Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas in plant control technologies.

Collaborations

Some of Toyoda's notable coworkers include Hiroshi Tsunematsu and Takeshi Ueno. Their collaboration has likely contributed to the advancements in the technologies he has developed.

Conclusion

Keiichi Toyoda's work in plant control technologies exemplifies the impact of innovation in industrial applications. His patents reflect a commitment to improving the efficiency and safety of plant operations.

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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