Tokyo, Japan

Takehiro Hirai

USPTO Granted Patents = 64 


Average Co-Inventor Count = 3.3

ph-index = 7

Forward Citations = 144(Granted Patents)

Forward Citations (Not Self Cited) = 140(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Hitachinaka, JP (2005)
  • Ushiku, JP (2008 - 2016)
  • Tokyo, JP (2008 - 2023)

Company Filing History:


Years Active: 2005-2023

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Areas of Expertise:
Wafer Observation
Defect Classification
Anti-GPR20 Antibody
Charged Particle Beam
Defect Inspection
Sample Observation
Defect Analysis
Semiconductor Defects
Image Classification
Defect Quantification
Surface Observation
Region-of-Interest Determination
64 patents (USPTO):Explore Patents

Title: The Innovative Mind of Takehiro Hirai

Introduction: Takehiro Hirai is a visionary inventor hailing from Tokyo, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Takehiro Hirai holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his versatility and forward-thinking approach to problem-solving.

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

Collaborations: Throughout his career, Takehiro Hirai has collaborated with top researchers, engineers, and scientists both locally and internationally, fostering a culture of innovation and knowledge-sharing.

Conclusion: Takehiro Hirai's passion for innovation and his relentless drive to push the boundaries of technology make him a true pioneer in the world of inventions. His work continues to inspire the next generation of inventors and shape the future of technological advancements.

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