Osaka, Japan

Koji Katayama

This inventor holds 41 USPTO granted patents and 1 published patent application and 1 EPO patent, primarily in Nitride Semiconductor Devices. Top assignees: Sumitomo Electric Industries, Limited, Sony Corporation, Itoki Crebio Corporation. Active years: 2001-2016.

USPTO Granted Patents = 41 

% Patents Active = 29.3


Average Co-Inventor Count = 4.6

ph-index = 9

Forward Citations = 365(Granted Patents)


Location History:

  • Itami, JP (2007 - 2014)
  • Osaka, JP (2001 - 2016)

Company Filing History:


Years Active: 2001-2016

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Areas of Expertise:
Nitride Semiconductors
Laser Diodes
Light Emitting Devices
Semiconductor Fabrication
Optical Devices
Epitaxial Substrates
Scribe Groove Damage
Compound Semiconductors
P-Electrode Structures
ZnSe Devices
41 patents (USPTO):Explore Patents

Title: The Innovative Mind of Koji Katayama

Introduction: Koji Katayama, a visionary inventor hailing from Osaka, Japan, is renowned for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Koji Katayama holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his continuous commitment to pushing the boundaries of what is possible.

Career Highlights: With a career spanning over two decades, Koji Katayama 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, Koji Katayama has collaborated with top researchers, engineers, and scientists both locally and internationally, fostering a culture of innovation and knowledge sharing.

Conclusion: Koji Katayama's relentless pursuit of innovation and his passion for creating solutions to complex challenges have solidified his reputation as a pioneering inventor in the global tech community.

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