Chiba, Japan

Katsumi Ichitani

This inventor holds 14 USPTO granted patents and 4 published patent applications and 2 EPO patents. Top assignees: Idemitsu Kosan Company, Limited, Toyota Jidosha Kabushiki Kaisha. Active years: 1998-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katsumi Ichitani. Retrieved from https://idiyas.com/inventor/katsumi-ichitani

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

USPTO Granted Patents = 14 

% Patents Active = 64.3

 

Average Co-Inventor Count = 2.6

ph-index = 3

Forward Citations = 36(Granted Patents)


Location History:

  • Ichihara, JP (1998 - 2019)
  • Chiba, JP (2008 - 2022)

Company Filing History:


Years Active: 1998-2022

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14 patents (USPTO):Explore Patents

Title: The Innovations of Katsumi Ichitani

Introduction

Katsumi Ichitani, a notable inventor based in Chiba, Japan, has made significant contributions to the field of material science, particularly in the development of water-soluble quenching fluids. With an impressive portfolio of 14 patents, Ichitani's work has been pivotal in enhancing manufacturing processes in the automotive and materials industries.

Latest Patents

Among his most recent patents, Ichitani has developed a water-soluble quenching oil composition. This innovative composition is a blend comprising water, a polyoxyalkylene glycol and its derivatives, and an alkylene glycol ether. The specific molecular weight and solubility parameters are carefully designed to optimize performance in various cooling applications.

Additionally, he has patented a water-based quenching liquid composition and a method for manufacturing metal materials using the same. This particular composition features a slow cooling rate that effectively suppresses the formation of quenching cracks, thus enhancing the quality and durability of metal products.

Career Highlights

Katsumi Ichitani has garnered valuable experience working with several prestigious companies. His tenure at Idemitsu Kosan Company, Limited and Toyota Jidosha Kabushiki Kaisha showcases his ability to translate innovative ideas into practical applications. His contributions in these roles have solidified his reputation as a leading inventor in his field.

Collaborations

Throughout his career, Ichitani has collaborated with remarkable individuals such as Makoto Takeishi and Rikki Homma. These partnerships have been instrumental in advancing his research and promoting the development of new technologies that address current challenges in manufacturing processes.

Conclusion

Katsumi Ichitani's inventive spirit and dedication to research have positioned him as a key player in the world of material science. His latest patents reflect a commitment to innovation, providing solutions that enhance the efficiency of metal manufacturing methodologies. As he continues to work in his field, Ichitani’s contributions will surely pave the way for future advancements in quenching technologies.

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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