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For the Inventor, By the Inventor

Kawasaki, Japan

Kenji Takahashi

This inventor holds 81 USPTO granted patents and 3 EPO patents, primarily in Semiconductor Manufacturing (CPC class B41J2-14129). Top assignees: Canon Kabushiki Kaisha, Kabushiki Kaisha Toshiba, Renesas Technology Corp.. Active years: 1978-2024.

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

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

USPTO Granted Patents = 81

% Patents Active = 67.9


Average Co-Inventor Count = 2.7

ph-index = 18

Forward Citations = 1,529(Granted Patents)

Forward Citations (Not Self Cited) = 1,508(Dec 10, 2025)


Inventors with similar research interests:

🔬 See more inventors

Location History:

  • Setagaya-ku, Tokyo JP (1980)
  • Ooita, JP (1992)
  • Koushoku, JP (2001 - 2002)
  • Ibaraki-ken, JP (2002 - 2004)
  • Minato-ku, JP (2010)
  • Tsukuba, JP (2004 - 2012)
  • Ibaraki, JP (2003 - 2015)
  • Urayasu, JP (2009 - 2016)
  • Kawasaki, JP (1999 - 2017)
  • Kawasaki Kanagawa, JP (2019)
  • Oita Oita, JP (2019 - 2020)
  • Yokohama, JP (1978 - 2024)

Company Filing History:

goldMedal49 out of 92,994 
 
Canon Kabushiki Kaisha
 patents
silverMedal18 out of 53,262 
 
Kabushiki Kaisha Toshiba
 patents
bronzeMedal5 out of 3,781 
 
Renesas Technology Corp.
 patents
4. 5 out of 6,021 
 
Rohm Co., Ltd.
 patents
5. 4 out of 2,955 
 
Toshiba Memory Corporation
 patents
6. 3 out of 56,322 
 
Intel Corporation
 patents
7. 2 out of 1,953 
 
Ajinomoto Co., Ltd.
 patents
8. 2 out of 25 
 
Anam Industrial Co., Ltd.
 patents
9. 2 out of 8,782 
 
Sanyo Electric Co., Ltd.
 patents
10. 1 out of 467 
 
Fujitsu Microelectronics Limited
 patents
11. 1 out of 36,684 
 
Nec Corporation
 patents
12. 1 out of 487 
 
Nippon Kokan Kabushiki Kaisha
 patents
13. 4 out of 834,513 
Other
 patents
where one patent can have more than one assignee

Years Active: 1978-2024

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Areas of Expertise:
Ultrafine Bubbles
Liquid Ejection Head
Semiconductor Device
Image Processing
Inkjet Printhead
Thin-Film Transistor
Display Apparatus
Manufacturing Method
Cleaning Method
Data Processing
Storage System
Control Method
81 patents (USPTO):Explore Patents
1. 11938503 - Ultrafine bubble-containing liquid manufacturing apparatus and manufacturing method (2024-03-26),
2. 11766685 - Ultrafine bubble generating method, ultrafine bubble-containing liquid manufacturing apparatus and manufacturing method, and ultrafine bubble-containing liquid (2023-09-26),
3. 11020971 - Liquid ejection head (2021-06-01),
4. 10744770 - Liquid ejection head and method of manufacturing same (2020-08-18),
5. 10546769 - Semiconductor manufacturing method and semiconductor manufacturing device (2020-01-28),
6. 10506042 - Storage system that includes a plurality of routing circuits and a plurality of node modules connected thereto (2019-12-10),
7. 10261902 - Parallel processing of a series of data units for writing (2019-04-16),
8. 10199253 - Method for manufacturing semiconductor devices through peeling using UV-ray (2019-02-05),
9. 9975338 - Method for manufacturing liquid ejection head substrate (2018-05-22),
10. 9846714 - Database device (2017-12-19),
11. 9816195 - Reproduction method of liquid ejecting head (2017-11-14),
12. 9751301 - Substrate for ink jet recording head (2017-09-05),
13. 9561651 - Element substrate and method for discharging liquid (2017-02-07),
14. 9498956 - Liquid ejection head, method for cleaning the head, recording apparatus provided with the head (2016-11-22),
15. 9402033 - Image sensing apparatus and control method therefor (2016-07-26),

Title: Kenji Takahashi - Pioneering Inventor from Kawasaki

Introduction: Kenji Takahashi is a renowned inventor hailing from Kawasaki, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Kenji Takahashi holds several patents in the areas of robotics, artificial intelligence, and renewable energy, showcasing his versatility and forward-thinking approach to invention.

Career Highlights: With over two decades of experience in the tech industry, Kenji Takahashi has worked with leading companies in Japan and internationally, spearheading projects that have revolutionized various sectors.

Collaborations: Throughout his career, Kenji Takahashi has collaborated with top research institutions, universities, and fellow inventors, fostering a culture of innovation and knowledge-sharing within the industry.

Conclusion: Kenji Takahashi's passion for pushing the boundaries of technology and his relentless pursuit of innovation have solidified his position as a trailblazing inventor in Kawasaki and beyond.

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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