Tokyo, Japan

Kenji Watanabe

This inventor holds 202 USPTO granted patents and 10 published patent applications and 2 EPO patents, primarily in Electron Beam Technology (CPC class 4006152). Top assignees: King Jim Co., Ltd., Seiko Epson Corporation, Ebara Corporation. Active years: 1987-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kenji Watanabe. Retrieved from https://idiyas.com/inventor/kenji-watanabe

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

Calculating rank
USPTO Granted Patents = 202 

% Patents Active = 86.1

 

Average Co-Inventor Count = 3.8

ph-index = 31

Forward Citations = 3,286(Granted Patents)

Forward Citations (Not Self Cited) = 3,119(Dec 10, 2025)


Inventors with similar research interests:

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Location History:

  • Aichi, JP (1987 - 1991)
  • Ohme, JP (1996)
  • Tokyo Katsushika-ku, JP (2000)
  • Kawaguchi, JP (2000)
  • Ebina, JP (2002 - 2005)
  • Fukushima-ken, JP (2010)
  • Hiratsuka, JP (2007 - 2012)
  • Fujisawa, JP (2000 - 2016)
  • Kanagawa-ken, JP (2006 - 2016)
  • Ota, JP (2015 - 2020)
  • Tokyo, JP (1991 - 2022)

Company Filing History:

goldMedal78 out of 168 
 
King Jim Co., Ltd.
 patents
silverMedal76 out of 34,333 
 
Seiko Epson Corporation
 patents
bronzeMedal41 out of 2,583 
 
Ebara Corporation
 patents
4. 10 out of 53,315 
 
Kabushiki Kaisha Toshiba
 patents
5. 9 out of 42,752 
 
Hitachi, Ltd.
 patents
6. 5 out of 58,150 
 
Sony Corporation
 patents
7. 4 out of 313 
 
Meidensha Corporation
 patents
8. 4 out of 36,770 
 
Nec Corporation
 patents
9. 4 out of 5 
 
Seiko Epson Corporation and King Jim Co., Ltd.
 patents
10. 3 out of 2,874 
 
Hitachi-High-Technologies Corporation
 patents
11. 3 out of 10 
 
Wiz Co., Ltd.
 patents
12. 2 out of 4,048 
 
Alps Electric Co., Ltd.
 patents
13. 2 out of 3,132 
 
Asahi Kogaku Kogyo Kabushiki Kaisha
 patents
14. 2 out of 93,258 
 
Canon Kabushiki Kaisha
 patents
15. 1 out of 1 
 
Advanced Smart Mobility Co., Ltd.
 patent
16. 1 out of 129 
 
Bandai Co., Ltd.
 patents
17. 1 out of 16 
 
Inoue Mtp Kabushiki Kaisha
 patents
18. 1 out of 6 
 
Japan Automobile Research Institute
 patents
19. 1 out of 1 
 
Kung Jun Co., Ltd.
 patent
20. 1 out of 1 
 
Meidensha Corpration
 patent
21. 1 out of 1 
 
Meisei International Patent Firm
 patent
22. 1 out of 10 
 
Mizuho Information & Research Institute, Inc.
 patents
23. 1 out of 8 
 
Seiko Epson Corportion
 patents
24. 1 out of 518 
 
Toshiba Mitsubishi-Electric Industrial Systems Corporation
 patents
25. 22 out of 834,659 
Other
 patents
where one patent can have more than one assignee

Years Active: 1987-2026

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Areas of Expertise:
Electron Beam Apparatus
Inspection System
Device Manufacturing
Charged Particle Beam
Astigmatism Adjustment
Sample Observation
Measurement Method
Data Synchronization
Electro-Optical Inspection
Testing Apparatus
Toner Cartridges
Industrial Data Reproduction
202 patents (USPTO):Explore Patents

Title: Kenji Watanabe: Innovating with Precision

Introduction:

Kenji Watanabe, a Tokyo-based inventor, is making waves in the field of electron beam technology. With an impressive portfolio of 180 patents, Watanabe has been at the forefront of developing groundbreaking solutions. Let's delve into his latest patents, career highlights, and collaborations that have solidified his reputation as an innovative force.

Latest Patents:

One of Watanabe's recent patents is the "Electron Beam Irradiation Apparatus and Electron Beam Alignment Method." This cutting-edge invention introduces an aligner that optimizes electron beam alignment through deflection. By utilizing a deflector with multiple electrodes, this apparatus detects and cancels out any electron beam position shifts. Such precision is paramount in various industrial applications, ranging from microelectronics to material science.

Another noteworthy patent attributed to Watanabe is the "Industrial Plant Data Reproduction Device." This invention combines process data collection, video data capture, and graphic data storage to generate synthetic data. This allows for a visual representation of the object's motion target position. By overlaying graphic data onto the video data, this device aids in the analysis, monitoring, and improvement of industrial processes.

Career Highlights:

Watanabe's expertise and groundbreaking innovations have garnered recognition from esteemed organizations. Having worked with renowned companies such as Seiko Epson Corporation and King Jim Co., Ltd., Watanabe has made significant contributions to their research and development divisions. His patents showcase his mastery of electron beam technology, highlighting his ability to bridge the gap between theoretical concepts and practical applications.

Collaborations:

Throughout his career, Watanabe has collaborated with several esteemed individuals, contributing to his professional growth and enabling him to unlock new possibilities. Among his coworkers are Takanobu Kameda and Tomoyuki Shimmura. These collaborations not only enrich his work but also foster knowledge sharing and innovation within the field.

Conclusion:

Kenji Watanabe's multitude of patents and innovations in the realm of electron beam technology have solidified his status as a visionary inventor. His groundbreaking inventions, such as the electron beam irradiation apparatus and the industrial plant data reproduction device, demonstrate his dedication to pushing the boundaries of precision and efficiency. With an extensive career spanning collaborations with esteemed companies and colleagues, Watanabe continues to be a driving force in revolutionizing industrial processes through his remarkable 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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