Okazaki, Japan

Masahiko Ishii

This inventor holds 84 USPTO granted patents and 28 published patent applications and 6 EPO patents, primarily in Information Management Systems (CPC class C12N9-20). Top assignees: Toyota Motor Corporation, Toyota Motor Engineering & Manufacturing North America, Inc., Regents of the University of Minnesota. Active years: 1989-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masahiko Ishii. Retrieved from https://idiyas.com/inventor/masahiko-ishii

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

USPTO Granted Patents = 84 

% Patents Active = 86.9

 

Average Co-Inventor Count = 4.6

ph-index = 18

Forward Citations = 656(Granted Patents)

Forward Citations (Not Self Cited) = 260(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Aichi-gun, JP (2001 - 2003)
  • Aichi, JP (1989 - 2014)
  • Toyota, JP (2008 - 2017)
  • Okazaki Aichi, JP (2016 - 2020)
  • Nagakute, JP (2020)
  • Okazaki, JP (2011 - 2024)

Company Filing History:


Years Active: 1989-2026

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Areas of Expertise:
Information Management
Biofunctional Materials
Self-Cleaning Coatings
Fingerprint Removal
Multilayer Structures
Enzyme Coatings
Photonic Structures
Organic Stains
Thermolysin
Reflective Coatings
Stain Removal
Color Shifting
84 patents (USPTO):Explore Patents

Title: Innovator Spotlight: Masahiko Ishii - Pioneering Inventor from Okazaki, JP

Introduction:

Meet Masahiko Ishii, a prolific inventor based in Okazaki, JP, whose innovative spirit has led to the creation of 72 patents. Known for his groundbreaking work in developing technologies that enhance our daily lives, Ishii continues to push the boundaries of science and engineering.

Latest Patents:

1. Methods of facilitating removal of a fingerprint: Ishii's latest patent focuses on bioactive coatings that actively promote the removal of organic stains. These coatings are designed to be weathering-resistant and can effectively remove organic material from various surfaces, including food, insects, and the environment.

2. Omnidirectional structural color made from metal and dielectric layers: Another recent patent by Ishii involves the creation of a high-chroma omnidirectional structural color multilayer structure. This innovative technology allows for the precise control of reflected light, resulting in vibrant and dynamic color displays.

Career Highlights:

Throughout his career, Masahiko Ishii has made significant contributions to the field of materials science and engineering. He has held key roles at prestigious organizations such as Toyota Motor Corporation and Toyota Motor Engineering & Manufacturing North America, Inc., where he has played a pivotal role in driving technological advancements in the automotive industry.

Collaborations:

Ishii's innovative work has been enriched by collaborations with esteemed colleagues such as Minjuan Zhang and Hongfei Jia. Together, they have leveraged their expertise to develop cutting-edge solutions that address complex challenges in various industries.

Conclusion:

Masahiko Ishii's relentless pursuit of innovation and his remarkable talent for problem-solving have cemented his status as a trailblazing inventor in the field of materials science. His impressive portfolio of patents stands as a testament to his visionary approach to research and development, inspiring future generations of inventors to push the boundaries of what is possible.

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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