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For the Inventor, By the Inventor

Tokyo, Japan

Hiroshi Tsuji

This inventor holds 51 USPTO granted patents and 2 published patent applications and 7 EPO patents, primarily in Charged Particle Beam Technology (CPC class H01J). Top assignees: Hitachi, Ltd., Hitachi-High-Technologies Corporation, Japan Atomic Energy Institute. Active years: 1976-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Tsuji. Retrieved from https://idiyas.com/inventor/hiroshi-tsuji

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

USPTO Granted Patents = 51 

% Patents Active = 94.1

 

Average Co-Inventor Count = 3.6

ph-index = 15

Forward Citations = 875(Granted Patents)

Forward Citations (Not Self Cited) = 869(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Tokyo, JA (1976)
  • Amagasaki, JP (1985)
  • Kawasaki, JP (1989 - 1991)
  • Tokai, JP (1992)
  • Naka-gun, JP (1999)
  • Ibaraki, JP (1983 - 2000)
  • Naka-machi, JP (2000)
  • Itami, JP (1995 - 2003)
  • Kokubunji, JP (2003 - 2004)
  • Hitachinaka, JP (2012 - 2015)
  • Ota-ku, JP (2015)
  • Tokyo, JP (1997 - 2020)

Company Filing History:

goldMedal24 out of 42,726 
 
Hitachi, Ltd.
 patents
silverMedal8 out of 2,874 
 
Hitachi-High-Technologies Corporation
 patents
bronzeMedal7 out of 322 
 
Japan Atomic Energy Institute
 patents
4. 6 out of 14 
 
Tohnichi Mfg. Co., Ltd.
 patents
5. 3 out of 53,250 
 
Kabushiki Kaisha Toshiba
 patents
6. 3 out of 10,631 
 
Sumitomo Electric Industries, Limited
 patents
7. 2 out of 4,826 
 
Fuji Electric Co., Ltd.
 patents
8. 2 out of 21,351 
 
Mitsubishi Denki Kabushiki Kaisha
 patents
9. 2 out of 2 
 
Tonichi Manufacturing Co., Ltd.
 patents
10. 1 out of 92,901 
 
Canon Kabushiki Kaisha
 patents
11. 1 out of 2 
 
Hitachi Touhoku Software, Ltd.
 patents
where one patent can have more than one assignee

Years Active: 1976-2020

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Areas of Expertise:
Charged Particle Beam
Electron Beam Lithography
Tensioning Device
Torque Wrench
Sample Positioning Apparatus
LNG Power Plant
Sputtering Method
Superconducting Wire
Workflow Management
Task Tracking
Displacement Detecting Circuit
Computer System
51 patents (USPTO):Explore Patents
1. 10850376 - Tensioning device (2020-12-01),
2. 10828759 - Tensioning device (2020-11-10),
3. 10794416 - Tensioning device (2020-10-06),
4. 9368320 - Stage apparatus, and charged particle beam apparatus using same (2016-06-14),
5. 9093890 - Linear motor, movable stage and electron microscope (2015-07-28),
6. 9021921 - Torque wrench (2015-05-05),
7. 8946652 - Sample positioning apparatus, sample stage, and charged particle beam apparatus (2015-02-03),
8. 8835883 - Charged particle radiation device and soundproof cover (2014-09-16),
9. 8729467 - Charged particle radiation device (2014-05-20),
10. 8629410 - Charged particle radiation device (2014-01-14),
11. 8443702 - Torque wrench (2013-05-21),
12. 8125647 - Charged particle beam apparatus and displacement detecting circuit (2012-02-28),
13. 7603840 - LNG power plant (2009-10-20),
14. 7276709 - System and method for electron-beam lithography (2007-10-02),
15. 6730916 - Electron beam lithography apparatus (2004-05-04),

Title: Hiroshi Tsuji - Pioneering Inventor from Tokyo, JP

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

Latest Patents: Hiroshi Tsuji holds several patents in various technological domains, including robotics, artificial intelligence, and renewable energy sources.

Career Highlights: With a career spanning over three decades, Hiroshi Tsuji has worked with leading tech companies in Japan, spearheading research and development projects that have led to significant advancements in the industry.

Collaborations: Throughout his career, Hiroshi Tsuji has collaborated with top researchers, engineers, and scientists both in Japan and internationally, fostering a culture of innovation and knowledge sharing.

Conclusion: Hiroshi Tsuji's relentless pursuit of innovation and his passion for pushing the boundaries of technology have solidified his position as a trailblazer in the world of inventions.

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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