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For the Inventor, By the Inventor

Tokyo, Japan

Kazunari Fujii

This inventor holds 53 USPTO granted patents and 4 published patent applications and 3 EPO patents, primarily in Semiconductor Devices (CPC class B41J). Top assignee: Canon Kabushiki Kaisha. Active years: 2006-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazunari Fujii. Retrieved from https://idiyas.com/inventor/kazunari-fujii

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

USPTO Granted Patents = 53 

% Patents Active = 35.8

 

Average Co-Inventor Count = 2.4

ph-index = 5

Forward Citations = 98(Granted Patents)

Forward Citations (Not Self Cited) = 67(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Atsugi, JP (2006 - 2009)
  • Kanagawa-ken, JP (2008 - 2010)
  • Kawasaki, JP (2008 - 2019)
  • Tokyo, JP (2014 - 2023)

Company Filing History:

goldMedal53 out of 92,994 
 
Canon Kabushiki Kaisha
 patents

Years Active: 2006-2023

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Areas of Expertise:
Semiconductor Device
Liquid Discharge Head
Printing Apparatus
Optical Sensor
Ultrasonic Detection
Electromechanical Transducer
Recording Apparatus
Image Forming Apparatus
Fluid Discharge Head
Oscillator Device
Liquid Ejection Head
Scanner Unit
53 patents (USPTO):Explore Patents
1. 11845274 - Recording element substrate, liquid ejection head and recording apparatus (2023-12-19),
2. 11269177 - Optical sensor, scanner unit, and image forming apparatus (2022-03-08),
3. 11247461 - Recording element substrate, liquid ejection head and recording apparatus (2022-02-15),
4. 10894403 - Semiconductor apparatus, liquid discharge head substrate, liquid discharge head, and liquid discharge apparatus (2021-01-19),
5. 10566069 - Semiconductor apparatus, liquid discharge head substrate, liquid discharge head, and liquid discharge apparatus (2020-02-18),
6. 10538086 - Liquid discharge head substrate, liquid discharge head and liquid discharge apparatus (2020-01-21),
7. 10538082 - Semiconductor device, liquid discharge head, and liquid discharge apparatus (2020-01-21),
8. 10481392 - Optical sensor, scanner unit, and image forming apparatus (2019-11-19),
9. 10464102 - Ultrasonic detection device and ultrasonic diagnostic device (2019-11-05),
10. 10201969 - Recording element substrate, liquid discharge head, and recording apparatus (2019-02-12),
11. 10189249 - Recording element substrate, liquid discharge head, and recording apparatus (2019-01-29),
12. 10147720 - Semiconductor device, liquid-discharge head substrate, liquid-discharge head, and liquid-discharge device (2018-12-04),
13. 10040283 - Semiconductor device and liquid discharge head substrate (2018-08-07),
14. 9895879 - Semiconductor device and recording device (2018-02-20),
15. 9694575 - Semiconductor device, liquid discharge head, liquid discharge cartridge, and liquid discharge apparatus (2017-07-04),

Title: Kazunari Fujii - Innovative Inventor from Tokyo

Introduction: Kazunari Fujii is a renowned inventor based in Tokyo, Japan, known for his groundbreaking contributions to various technological fields.

Latest Patents: Kazunari Fujii holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his diverse expertise and innovative mindset.

Career Highlights: With over two decades of experience in the industry, Kazunari Fujii has worked with leading research institutions and tech companies to develop cutting-edge solutions that have revolutionized the way we interact with technology.

Collaborations: Throughout his career, Kazunari Fujii has collaborated with top engineers, scientists, and designers from around the world, fostering a culture of innovation and creativity in all his projects.

Conclusion: Kazunari Fujii's passion for pushing the boundaries of technology and his relentless pursuit of excellence make him a true pioneer in the world of inventions and innovations.

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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