Yokosuka, Japan

Tokuo Fujisou

This inventor holds 4 USPTO granted patents. Top assignees: Nippon Oil Company, Petroleum Energy Center, Nissan Motor Company Limited. Active years: 1977-1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tokuo Fujisou. Retrieved from https://idiyas.com/inventor/tokuo-fujisou

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 = 3.9

ph-index = 4

Forward Citations = 73(Granted Patents)


Location History:

  • Kawasaki, JA (1977)
  • Yokosuka, JP (1991 - 1992)

Company Filing History:


Years Active: 1977-1992

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4 patents (USPTO):Explore Patents

Title: Tokuo Fujisou: Innovator in Hydrogen Production

Introduction

Tokuo Fujisou is a notable inventor based in Yokosuka, Japan. He has made significant contributions to the field of hydrogen production, holding a total of 4 patents. His innovative processes focus on producing high-purity hydrogen from various hydrocarbon sources.

Latest Patents

Fujisou's latest patents include a process for hydrogen production from kerosene. This process involves bringing a kerosene feed, containing up to 1,000 wt.ppm of sulfur compounds, into contact with a nickel-containing sorbent at pressures below 50 kg/cm² G and temperatures ranging from 150°C to 350°C. The treated kerosene feed is then further processed with a reforming catalyst under standard steam reforming conditions. Another significant patent details a method for producing hydrogen from hydrocarbons. In this process, a selected hydrocarbon feed is treated with a nickel-containing sorbent at similar pressure conditions and temperatures between 150°C and 500°C, followed by reforming with a specified catalyst.

Career Highlights

Throughout his career, Tokuo Fujisou has worked with prominent organizations such as Nippon Oil Company and the Petroleum Energy Center. His work has been instrumental in advancing hydrogen production technologies, which are crucial for sustainable energy solutions.

Collaborations

Fujisou has collaborated with notable individuals in his field, including Akira Obuchi and Hideharu Kato. These partnerships have contributed to the development of innovative processes and technologies in hydrogen production.

Conclusion

Tokuo Fujisou's contributions to hydrogen production through his patented processes highlight his role as an influential inventor in the energy sector. His work continues to pave the way for advancements in sustainable 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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