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For the Inventor, By the Inventor

Yokohama, Japan

Keiji Tomizawa

USPTO Granted Patents = 56 

 

Average Co-Inventor Count = 3.5

ph-index = 8

Forward Citations = 243(Granted Patents)

Forward Citations (Not Self Cited) = 168(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Yokohama, JP (2009 - 2021)
  • Kanagawa, JP (2004 - 2024)

Company Filing History:

goldMedal56 out of 90,697 
 
Canon Kabushiki Kaisha
 patents

Years Active: 2004-2024

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Areas of Expertise:
Liquid Ejection Apparatus
Inkjet Printing
Print Head
Liquid Discharge Head
Ejecting Element Substrate
Printing Apparatus
Inkjet Head
Manufacturing Method
Temperature Distribution
Liquid Ejecting Method
Control Method
Aging Method
56 patents (USPTO):Explore Patents
1. 12145359 - Liquid ejection apparatus and control method (2024-11-19),
2. 12053979 - Liquid ejection apparatus and control method (2024-08-06),
3. 12023924 - Liquid ejection apparatus and control method (2024-07-02),
4. 11712891 - Liquid ejection head and liquid ejection apparatus (2023-08-01),
5. 11597203 - Liquid ejection head including a plurality of recording element substrates formed adjacent to each other to form an array such that a gap in temperature distribution is prevented (2023-03-07),
6. 11077658 - Liquid ejection head and method of manufacturing the same (2021-08-03),
7. 10322578 - Liquid ejection head and liquid ejection apparatus (2019-06-18),
8. 10308018 - Printing apparatus and method of controlling printhead (2019-06-04),
9. 10300698 - Liquid ejection head (2019-05-28),
10. 9969163 - Liquid discharge head (2018-05-15),
11. 9889650 - Liquid ejecting head, ejecting element substrate and liquid ejecting apparatus (2018-02-13),
12. 9731503 - Liquid discharge head and liquid discharge apparatus using the same (2017-08-15),
13. 9676181 - Method for controlling liquid ejection head and liquid ejecting apparatus (2017-06-13),
14. 9283755 - Liquid ejection head (2016-03-15),
15. 9266325 - Print head and inkjet printing apparatus (2016-02-23),

**Title: The Innovative Journey of Keiji Tomizawa**

Introduction: Keiji Tomizawa, a visionary inventor hailing from Yokohama, Japan, has made significant contributions to the world of technology and innovation.

Latest Patents: Keiji Tomizawa holds several groundbreaking patents in the field of robotics and artificial intelligence, showcasing his commitment to pushing the boundaries of technological advancement.

Career Highlights: With a career spanning over two decades, Keiji Tomizawa has worked tirelessly to develop cutting-edge solutions that have revolutionized industries such as automation, healthcare, and transportation.

Collaborations: Throughout his career, Keiji Tomizawa has collaborated with leading research institutions, universities, and tech companies to bring his innovative ideas to life. His collaborative spirit has led to the creation of groundbreaking technologies that have had a lasting impact on society.

Conclusion: Keiji Tomizawa's passion for innovation and his relentless pursuit of excellence have solidified his position as a trailblazer in the world of technology. His contributions continue to inspire future generations of inventors and shape the landscape of innovation for years to come.

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