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For the Inventor, By the Inventor

Hitachiota, Japan

Yasuhiro Gunji

This inventor holds 32 USPTO granted patents and 3 published patent applications and 2 EPO patents, primarily in Electron Beam Inspection. Top assignees: Hitachi-High-Technologies Corporation, Hitachi, Ltd., Nissan Chemical Industries Limited. Active years: 1989-2017.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasuhiro Gunji. Retrieved from https://idiyas.com/inventor/yasuhiro-gunji

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

USPTO Granted Patents = 32 

% Patents Active = 62.5

 

Average Co-Inventor Count = 3.9

ph-index = 9

Forward Citations = 310(Granted Patents)


Location History:

  • Hitachi, JP (1989 - 1993)
  • Chiba, JP (2000 - 2003)
  • Funabashi, JP (2000 - 2005)
  • Hitachioota, JP (2001 - 2006)
  • Hitachiohta, JP (2003 - 2008)
  • Hitachiota, JP (1999 - 2013)
  • Tokyo, JP (2008 - 2014)
  • Chiyoda-ku, JP (2017)

Company Filing History:

goldMedal11 out of 2,874 
 
Hitachi-High-Technologies Corporation
 patents
silverMedal11 out of 42,740 
 
Hitachi, Ltd.
 patents
bronzeMedal7 out of 1,235 
 
Nissan Chemical Industries Limited
 patents
4. 4 out of 146 
 
Xanavi Informatics Corporation
 patents
5. 1 out of 836 
 
Hitachi Cable, Inc.
 patents
where one patent can have more than one assignee

Years Active: 1989-2017

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Areas of Expertise:
Electron Beam Inspection
Charged Particle Beam
Semiconductor Device
Inspection Apparatus
Image Generation
Optical Fiber
Flux Composition
Resin Composition
Astigmatism Adjustment
Pattern Inspection
Navigation System
Optical Switch
32 patents (USPTO):Explore Patents
1. 9598528 - Modified epoxy resin composition (2017-03-21),
2. 8900376 - Heat-resistant water-soluble flux composition for soldering (2014-12-02),
3. 8565509 - Circuit pattern inspecting apparatus, management system including circuit pattern inspecting apparatus, and method for inspecting circuit pattern (2013-10-22),
4. 8421010 - Charged particle beam device for scanning a sample using a charged particle beam to inspect the sample (2013-04-16),
5. 8242443 - Semiconductor device inspection apparatus (2012-08-14),
6. 8207513 - Charged particle beam apparatus (2012-06-26),
7. 8168950 - Charged particle beam apparatus, and image generation method with charged particle beam apparatus (2012-05-01),
8. 8086022 - Electron beam inspection system and an image generation method for an electron beam inspection system (2011-12-27),
9. 8086021 - Appearance inspection apparatus with scanning electron microscope and image data processing method using scanning electron microscope (2011-12-27),
10. 7999565 - Inspection apparatus and inspection method using electron beam (2011-08-16),
11. 7838828 - Semiconductor device inspection apparatus (2010-11-23),
12. 7518383 - Inspection apparatus and inspection method using electron beam (2009-04-14),
13. 7439504 - Pattern inspection method and apparatus using electron beam (2008-10-21),
14. 7348558 - Charged particle beam apparatus and automatic astigmatism adjustment method (2008-03-25),
15. 7271385 - Inspection method and inspection apparatus using electron beam (2007-09-18),

Title: Yasuhiro Gunji: Pioneering Inventor from Hitachiota

Introduction: Yasuhiro Gunji is a renowned inventor hailing from Hitachiota, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Gunji holds several patents in the areas of electronics, robotics, and artificial intelligence, showcasing his continuous dedication to pushing the boundaries of technological advancement.

Career Highlights: With a career spanning over two decades, Gunji has worked with leading tech companies, including Hitachi Ltd., where he played a pivotal role in developing cutting-edge solutions for complex technological challenges.

Collaborations: Throughout his career, Gunji has collaborated with top researchers, engineers, and scientists from around the world, fostering a culture of innovation and knowledge sharing to drive progress in the tech industry.

Conclusion: Yasuhiro Gunji's passion for innovation and his relentless pursuit of technological excellence have solidified his reputation as a trailblazer in the world of inventions, inspiring future generations of inventors to dream big and push the boundaries of what is possible.

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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