Tokyo, Japan

Tsutomu Naganuma

This inventor holds 5 USPTO granted patents. Top assignees: Toppan Printing Co., Ltd., Asahi Glass Company, Limited, Toyo Ink Mfg. Co., Ltd.. Active years: 1979-2017.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tsutomu Naganuma. Retrieved from https://idiyas.com/inventor/tsutomu-naganuma

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


% Patents Active = 100.0

Average Co-Inventor Count = 4.2

ph-index = 3

Forward Citations = 42(Granted Patents)


Location History:

  • Funabashi, JP (1979 - 1981)
  • Yokohama, JP (1995)
  • Tokyo, JP (1986 - 2017)

Company Filing History:


Years Active: 1979-2017

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5 patents (USPTO):Explore Patents

Title: Tsutomu Naganuma: Pioneering Inventor from Tokyo

Introduction: Tsutomu Naganuma is a renowned inventor hailing from Tokyo, Japan, known for his groundbreaking contributions to the field of technology and innovation.

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

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

Conclusion: Tsutomu Naganuma's relentless pursuit of innovation and his passion for creating technology that makes a difference have solidified his position as a trailblazing inventor in the vibrant landscape of Tokyo, Japan.

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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