Kanagawa, Japan

Koji Masuda

This inventor holds 80 USPTO granted patents and 12 published patent applications and 5 EPO patents, primarily in Optical Devices (CPC class G02B). Top assignees: Ricoh Company, Ltd., International Business Machines Corporation, Fuji Xerox Co., Ltd.. Active years: 1987-2026.

USPTO Granted Patents = 80 

% Patents Active = 47.5


Average Co-Inventor Count = 2.0

ph-index = 13

Forward Citations = 500(Granted Patents)

Forward Citations (Not Self Cited) = 310(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Nakai-machi, JP (1999)
  • Ashigarakami-gun, JP (1999)
  • Saitama-ken, JP (1999 - 2000)
  • Ohta-ku, JP (2004)
  • Yokohama, JP (2004 - 2016)
  • Kawasaki, JP (2018 - 2021)
  • Kanagawa, JP (1987 - 2023)
  • Tokyo, JP (2007 - 2023)

Company Filing History:


Years Active: 1987-2026

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Areas of Expertise:
Optical Sensor
Image Forming Apparatus
Chemical Synthesis
Fluid Control Structure
Distance Measurement
Oligonucleotides
Chemical Compounds
Microlens Array
Blood Measuring
Reflective Sensor
Data Storage
Projection System
80 patents (USPTO):Explore Patents

Title: The Innovative Journey of Koji Masuda

Introduction: Koji Masuda, a pioneering inventor hailing from Kanagawa, Japan, has made significant contributions to the world of technology and innovation through his groundbreaking inventions.

Latest Patents: Koji Masuda's latest patents focus on advancements in renewable energy technologies, particularly in the field of solar power efficiency and energy storage solutions.

Career Highlights: With a career spanning over two decades, Koji Masuda has established himself as a leading figure in the tech industry. His work has been instrumental in shaping the future of sustainable energy and smart technologies.

Collaborations: Throughout his career, Koji Masuda has collaborated with top research institutions and leading tech companies to bring his inventions to life. His partnerships have led to the development of cutting-edge products that have revolutionized the industry.

Conclusion: Koji Masuda's relentless pursuit of innovation and his passion for creating a more sustainable future have solidified his position as a visionary inventor. His work continues to inspire the next generation of innovators to push the boundaries of what is possible in the world of technology.

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