Chigasaki, Japan

Hirohisa Wakisaka

This inventor holds 8 USPTO granted patents and 2 published patent applications and 3 EPO patents. Top assignee: Ihi Corporation. Active years: 2012-2017.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hirohisa Wakisaka. Retrieved from https://idiyas.com/inventor/hirohisa-wakisaka

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

USPTO Granted Patents = 8 

 

Average Co-Inventor Count = 2.8

ph-index = 2

Forward Citations = 7(Granted Patents)


Location History:

  • Chigasaki, JP (2012)
  • Naka-gun, JP (2015)
  • Tokyo, JP (2016 - 2017)

Company Filing History:


Years Active: 2012-2017

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8 patents (USPTO):Explore Patents

Title: Hirohisa Wakisaka: Innovator in Waste Heat Power Generation

Introduction

Hirohisa Wakisaka is a prominent inventor based in Chigasaki, Japan. He has made significant contributions to the field of waste heat power generation, holding a total of eight patents. His innovative designs focus on improving energy efficiency and harnessing waste heat for power generation.

Latest Patents

Wakisaka's latest patents include a waste heat power generation device and a waste heat power generator. The waste heat power generation device features an evaporator that recovers waste heat energy to evaporate a working medium. It also includes an expansion turbine generator that generates electric power with the working medium supplied from the evaporator. Additionally, the device has a condenser that condenses the working medium discharged from the expansion turbine generator, a pump that feeds the condensed working medium back to the evaporator, and a measuring device that tracks the power generated per unit time. The control device regulates the pump's operation based on the measurements obtained.

The waste heat power generator consists of an evaporator that produces steam from a working medium, a power-generating device that generates electric power by expanding the steam, and a condenser that condenses the steam after it has passed through the power-generating device. This generator may also include a valve device to selectively supply a cooling medium to the power-generating device and a controller that manages the valve based on the temperature of the power-generating device.

Career Highlights

Hirohisa Wakisaka is currently employed at IHI Corporation, where he continues to develop innovative solutions in energy generation. His work has significantly impacted the efficiency of power generation systems, particularly in utilizing waste heat.

Collaborations

Wakisaka collaborates with notable colleagues, including Toshio Takahashi and Seiichiro Yoshinaga. Their combined expertise contributes to the advancement of technologies in the energy sector.

Conclusion

Hirohisa Wakisaka is a key figure in the field of waste heat power generation, with a strong portfolio of patents that reflect his innovative spirit. His contributions are paving the way for more efficient energy 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]
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