Saitama, Japan

Yasuo Shirasaki

This inventor holds 26 USPTO granted patents, plus 7 CIPO patents and 4 EPO patents, primarily in Ink Composition Technology. Top assignees: Nippon Kayaku Kabushiki Kaisha, Nippon Kayaku Co., Ltd. Active years: 1999-2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasuo Shirasaki. Retrieved from https://idiyas.com/inventor/yasuo-shirasaki

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


% Patents Active = 69.2



Average Co-Inventor Count = 3.9

ph-index = 9

Forward Citations = 201(Granted Patents)


Location History:

  • Saitama-ken, JP (1999)
  • Omiya, JP (2000 - 2002)
  • Kita-ku, JP (2008)
  • Saitama, JP (1999 - 2010)

Company Filing History:


Years Active: 1999-2010

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Areas of Expertise:
Water-Soluble Azo Compound
Ink Composition
Colored Article
Aqueous Ink Composition
Anthrapyridone Compound
Water-Based Ink
Dyeing Method
Cyan Dye Mixture
Trisazo Compound
Disazo Compound
Phthalocyanine Compounds
Reactive Dye Composition
26 patents (USPTO):Explore Patents

Title: Yasuo Shirasaki - Innovative Inventor from Saitama, Japan

Introduction: Yasuo Shirasaki is a renowned inventor hailing from Saitama, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Yasuo Shirasaki holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his continuous dedication to pushing the boundaries of technological advancement.

Career Highlights: With a career spanning over two decades, Yasuo Shirasaki has worked with leading tech companies in Japan, spearheading research and development projects that have led to significant technological breakthroughs in various industries.

Collaborations: Throughout his career, Yasuo Shirasaki has collaborated with top researchers, engineers, and scientists both locally and internationally, fostering a culture of innovation and knowledge sharing to drive progress in the field of technology.

Conclusion: Yasuo Shirasaki's passion for innovation, coupled with his relentless drive to solve complex challenges, has solidified his reputation as a visionary inventor in Saitama, Japan, leaving a lasting impact on the world of technology.

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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