Chigasaki, Japan

Yasuo Takagi

USPTO Granted Patents = 57 


 

Average Co-Inventor Count = 3.6

ph-index = 12

Forward Citations = 443(Granted Patents)

Forward Citations (Not Self Cited) = 434(Oct 12, 2025)


Inventors with similar research interests:


Location History:

  • Yokohama, JA (1977)
  • Kawasaki, JP (1994 - 1995)
  • Yokohama, JP (1978 - 1999)
  • Nagoya, JP (2005)
  • Toyohashi, JP (2011)
  • Tokyo, JP (2005 - 2015)
  • Kanagawa-ken, JP (2001 - 2017)
  • Chigasaki, JP (1997 - 2018)
  • Kanagawa, JP (2010 - 2018)
  • Komae, JP (2013 - 2018)
  • Gifu, JP (2018)

Company Filing History:


Years Active: 1977-2018

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57 patents (USPTO):

Title: Yasuo Takagi: A Pioneer in Hydrogen Production Technologies

Introduction

Yasuo Takagi, an innovative inventor based in Chigasaki, Japan, holds an impressive portfolio of 55 patents. His work primarily focuses on advancing hydrogen production technologies, utilizing renewable energy sources to enhance efficiency and sustainability.

Latest Patents

Among his latest inventions is a groundbreaking hydrogen production system and method aimed at optimizing hydrogen production operations even with time-varying electric power sources. This system comprises a capacitor that inputs and stores electric power from renewable supplies, a pulse voltage generation unit that produces a specific amplitude and cyclic period of pulse voltage, and an electrolytic cell that harnesses this voltage to generate hydrogen through high-temperature steam electrolysis.

Additionally, Takagi has developed an electric/thermal energy storage schedule optimizing device. This device sets predictive values for energy consumption or supply across multiple control-target devices, allowing for the creation of optimized start-stop schedules based on these predictions.

Career Highlights

Yasuo Takagi has had a distinguished career, with significant contributions during his tenure at notable companies such as Kabushiki Kaisha Toshiba and Nissan Motor Company Limited. His expertise in energy systems and hydrogen production has positioned him as a leading figure in the technological advancements within these sectors.

Collaborations

Throughout his career, Takagi has collaborated with esteemed colleagues, including Dai Murayama and Hiroshi Morimoto. These collaborations have allowed for the exchange of ideas and the development of innovative solutions to complex engineering challenges.

Conclusion

In summary, Yasuo Takagi’s contributions to the field of hydrogen production and energy optimization are remarkable, with a significant number of patents reflecting his dedication to innovation. His work not only addresses current energy needs but also promotes sustainable practices, making him a vital player in the future of energy technology.

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