Hitachi, Japan

Taiji Inui

This inventor holds 9 USPTO granted patents. Top assignees: Hitachi, Ltd., Hitachi Engineering Co., Ltd.. Active years: 1978-2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Taiji Inui. Retrieved from https://idiyas.com/inventor/taiji-inui-2bp6ngda

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


% Patents Active = 66.7

Average Co-Inventor Count = 2.5

ph-index = 8

Forward Citations = 116(Granted Patents)


Location History:

  • Hitachi, JP (1978 - 2008)
  • Tokyo, JP (2010)

Company Filing History:


Years Active: 1978-2010

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9 patents (USPTO):Explore Patents

Title: **Inventor Taiji Inui: Pioneering Innovations in Energy Systems**

Introduction

Taiji Inui, an accomplished inventor based in Hitachi, Japan, boasts an impressive portfolio of nine patents. His work primarily focuses on designing efficient energy systems, particularly in steam reforming and combined cycle plants, showcasing his commitment to advancing energy technology.

Latest Patents

Among his recent patents is a **steam reforming system**, which integrates high thermal efficiency. This innovative system compensates for the reduced steam generation in a reformer without necessitating an increase in reformer size or limiting layout flexibility. The system includes a gas turbine and a heat recovery exchanger. The gas turbine generates electric power, while the flue gases serve to preheat feedstocks for the reformer and produce steam for the pre-reforming stage. Moreover, the heat recovery exchanger is positioned in the downstream channel of the flue gases (in the range of 500-600°C) to enhance the temperature of the feedstocks, making them suitable for vaporization and desulfurization processes.

Another significant contribution is the **combined cycle plant**, which merges a conventional thermal power plant with a gas turbine plant. This invention features a dump system connecting the main steam pipe to the condenser, allowing steam generated by the boiler to bypass the steam turbine into the condenser. Additionally, it includes HRSG high-pressure and low-pressure turbine bypass systems linked to the pipes of the heat recovery steam generator.

Career Highlights

Taiji Inui has dedicated his professional career to renowned companies such as Hitachi, Ltd. and Hitachi Engineering Co., Ltd. His expertise in energy systems has positioned him as a leading figure in developing innovative technologies aimed at improving energy efficiency.

Collaborations

Throughout his career, Inui has collaborated with esteemed professionals, including Kenji Sakka and Katsumi Ura. These partnerships have facilitated the exchange of ideas and contributed to the advancement of their collective innovations in energy technologies.

Conclusion

Taiji Inui exemplifies the role of an inventor committed to innovation in energy systems. His patents reflect a profound understanding of engineering principles and a drive to enhance energy efficiency. As the world strives for sustainable energy solutions, the contributions of inventors like Inui will play a pivotal role in shaping the future of energy technologies.

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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