Kitakyushu, Japan

Kiyoharu Urakawa

This inventor holds 2 USPTO granted patents. Top assignee: Mitsubishi Chemical Industries Limited. Active years: 1978-1987.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kiyoharu Urakawa. Retrieved from https://idiyas.com/inventor/kiyoharu-urakawa

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 = 4.8

ph-index = 1

Forward Citations = 3(Granted Patents)


Location History:

  • Kitakyushu, JA (1978)
  • Kita-Kyushu, JP (1987)

Company Filing History:


Years Active: 1978-1987

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2 patents (USPTO):Explore Patents

Title: Kiyoharu Urakawa: Innovator in Chemical Processes

Introduction

Kiyoharu Urakawa is a notable inventor based in Kitakyushu, Japan. He has made significant contributions to the field of chemical processes, holding a total of 2 patents. His work focuses on innovative methods for synthesizing complex chemical compounds.

Latest Patents

Urakawa's latest patents include a process for preparing 2-(1-hydroxyalkyl) cyclohexanone and a process for producing high purity methoxyanthraquinones. The first patent describes a method where the reaction of cyclohexanone with an aliphatic aldehyde is conducted in a heterogeneous system of an oil-in-water emulsion. This approach allows for the high selectivity of the desired compounds. The second patent outlines a process for producing methoxyanthraquinones from nitroanthraquinones by reacting them with methanol and an alkali in a specific reaction medium, maintaining a dissolved oxygen concentration of at least 1 ppm.

Career Highlights

Kiyoharu Urakawa is associated with Mitsubishi Chemical Industries Limited, where he has been able to apply his innovative ideas in a practical setting. His work has contributed to advancements in chemical manufacturing processes, enhancing efficiency and product quality.

Collaborations

Urakawa has collaborated with notable colleagues such as Mitsuhiko Tamura and Yasuhito Goto. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Kiyoharu Urakawa is a distinguished inventor whose work in chemical processes has led to valuable patents and advancements in the field. His contributions continue to influence the industry and inspire future innovations.

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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