Toyama, Japan

Naofumi Ohashi

This inventor holds 104 USPTO granted patents and 48 published patent applications, primarily in Semiconductor Manufacturing (CPC class C23C16-52). Top assignees: Kokusai Electric Corporation, Hitachi-Kokusai Electric Inc., Renesas Technology Corp.. Active years: 2001-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Naofumi Ohashi. Retrieved from https://idiyas.com/inventor/naofumi-ohashi

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

USPTO Granted Patents = 104 

% Patents Active = 92.3

Average Co-Inventor Count = 3.2

ph-index = 9

Forward Citations = 461(Granted Patents)

Forward Citations (Not Self Cited) = 423(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Hanno, JP (2001 - 2005)
  • Tsukuba, JP (2005 - 2006)
  • Tokyo, JP (2006 - 2011)
  • Hannou, JP (2001 - 2012)
  • Toyama, JP (2015 - 2024)

Company Filing History:


Years Active: 2001-2026

Loading Chart...
Areas of Expertise:
Substrate Processing
Semiconductor Device
Manufacturing Method
Processing Apparatus
Recording Medium
Exhaust System Cleaning
Non-Transitory Computer-Readable
Process Chamber Maintenance
3D Stacking
Thermal Management
TSV Interconnects
104 patents (USPTO):Explore Patents

Title: Naofumi Ohashi: Pioneering Inventor from Toyama

Introduction: Naofumi Ohashi is a distinguished inventor hailing from Toyama, Japan, known for his groundbreaking contributions to the field of technology and innovation.

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

Career Highlights: With a career spanning over two decades, Naofumi Ohashi has worked with leading tech companies and research institutions, playing a pivotal role in the development of cutting-edge solutions that have revolutionized various industries.

Collaborations: Throughout his career, Naofumi Ohashi has collaborated with top engineers, scientists, and researchers from around the world, fostering a culture of innovation and knowledge sharing that has led to numerous breakthrough inventions.

Conclusion: Naofumi Ohashi's relentless pursuit of innovation and his passion for creating transformative technologies have solidified his reputation as a visionary inventor, inspiring the next generation of innovators to push the boundaries of what is possible in the world of technology.

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]
Loading…