Setagaya, Japan

Nobumitsu Ohtake

This inventor holds 3 USPTO granted patents. Top assignee: Asahi Kasei Kogyo Kabushiki Kaisha. Active years: 1988-1989.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Nobumitsu Ohtake. Retrieved from https://idiyas.com/inventor/nobumitsu-ohtake

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 1.5

ph-index = 3

Forward Citations = 109(Granted Patents)


Location History:

  • Tokyo, JP (1988)
  • Setagaya, JP (1988 - 1989)

Company Filing History:


Years Active: 1988-1989

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3 patents (USPTO):Explore Patents

Title: Nobumitsu Ohtake: Innovator in Hydrocarbon Conversion

Introduction

Nobumitsu Ohtake is a prominent inventor based in Setagaya, Japan. He has made significant contributions to the field of hydrocarbon conversion, holding a total of 3 patents. His work focuses on developing additives and processes that enhance the efficiency of converting heavy hydrocarbons into more valuable products.

Latest Patents

One of Ohtake's latest patents is an additive for the hydroconversion of heavy hydrocarbon oil. This innovative additive is created by suspending a fine powder of a carbonaceous substance along with a solution of heteropolymolybdic acid and/or transition metal salts in hydrocarbon oil. The use of this additive allows for effective hydroconversion of heavy hydrocarbon oil at high conversion rates without the occurrence of coking. Another notable patent involves a process for converting heavy hydrocarbons into more valuable products, showcasing his expertise in this critical area of research.

Career Highlights

Ohtake is associated with Asahi Kasei Kogyo Kabushiki Kaisha, a leading company in the chemical industry. His work there has been instrumental in advancing technologies related to hydrocarbon processing. His innovative approaches have garnered attention and respect within the scientific community.

Collaborations

Ohtake has collaborated with notable coworkers, including Koji Kuri and Tokitaka Kaneshima. These partnerships have contributed to the development of his patents and the advancement of hydrocarbon conversion technologies.

Conclusion

Nobumitsu Ohtake is a distinguished inventor whose work in hydrocarbon conversion has led to significant advancements in the field. His innovative patents and collaborations reflect his commitment to improving the efficiency of hydrocarbon processing.

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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