Osaka, Japan

Koji Ichikawa

USPTO Granted Patents = 191 


Average Co-Inventor Count = 2.7

ph-index = 9

Forward Citations = 305(Granted Patents)

Forward Citations (Not Self Cited) = 252(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Ashiya, JP (2000 - 2003)
  • Osaka-shi, JP (2014)
  • Osaka, JO (2016)
  • Toyonaka, JP (2012 - 2020)
  • Osaka, JP (1998 - 2024)

Company Filing History:


Years Active: 1998-2025

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Areas of Expertise:
Resist Composition
Photoresist
Acid Generator
Quencher
Carboxylate
Resin
Salt
Compound
Photoresist Pattern
Production Method
Chemical Composition
Patterning Technology
191 patents (USPTO):Explore Patents

Title: Koji Ichikawa: Pioneering Innovations in Resist Composition

Introduction:

Koji Ichikawa, a brilliant inventor and researcher hailing from Osaka, Japan, has made remarkable contributions to the field of resist composition. With an impressive portfolio of 173 patents, Ichikawa continues to push the boundaries of technology in his pursuit of breakthroughs in resist composition and methods for producing resist patterns.

Latest Patents:

Among his recent patents, Ichikawa has developed two significant inventions. The first is a resist composition that includes a compound represented by formula (I), along with a resin containing an acid-labile group and an acid generator. This innovation demonstrates Ichikawa's expertise in designing efficient resist composition for advanced manufacturing processes.

The second patent introduces a carboxylate represented by formula (I), along with a carboxylic acid generator, to formulate a resist composition. This development showcases Ichikawa's mastery in utilizing precise chemical components to enhance resist performance, thus contributing to the improvement of microfabrication techniques.

Career Highlights:

Throughout his career, Ichikawa has been associated with renowned organizations in the industry. Notably, he has worked for Sumitomo Chemical Company, Limited, where he had an exceptional tenure and made significant advancements in the field of resist composition.

Collaborations:

In the pursuit of his groundbreaking research, Ichikawa has collaborated with esteemed colleagues to further his contributions to science. Notably, he has worked alongside Tatsuro Masuyama and Satoshi Yamaguchi, both accomplished researchers in their own right. These collaborations have undoubtedly enriched Ichikawa's work and accelerated the progress of their combined efforts.

Conclusion:

Koji Ichikawa's unwavering commitment to innovation and patent research in the field of resist composition has earned him a prominent position in the realm of advanced manufacturing. With an impressive array of patents and revolutionary inventions to his name, Ichikawa's work promises to shape the future of microfabrication techniques and contribute to technological advancements in a myriad of industries.

Disclaimer: The information provided in this article is based on publicly available data and may not encompass the entirety of Koji Ichikawa's career or patents. For the most accurate and up-to-date information, please refer to official patent databases and reliable sources.

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