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For the Inventor, By the Inventor

Nagano, Japan

Noriaki Okazawa

This inventor holds 59 USPTO granted patents and 5 published patent applications and 6 EPO patents, primarily in Liquid Ejecting Technology (CPC class B41J). Top assignees: Seiko Epson Corporation, Other. Active years: 1992-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Noriaki Okazawa. Retrieved from https://idiyas.com/inventor/noriaki-okazawa

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

USPTO Granted Patents = 59 

% Patents Active = 66.1

 

Average Co-Inventor Count = 2.2

ph-index = 12

Forward Citations = 389(Granted Patents)

Forward Citations (Not Self Cited) = 354(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Suwa-shi, Nagano, JP (1992 - 2002)
  • Nagano-ken, JP (2004 - 2015)
  • Nagano, JP (1996 - 2018)
  • Shiojiri, JP (2010 - 2021)

Company Filing History:

goldMedal57 out of 34,296 
 
Seiko Epson Corporation
 patents
silverMedal2 out of 834,570 
Other
 patents

Years Active: 1992-2026

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Areas of Expertise:
Liquid Ejecting Head
Liquid Ejecting Apparatus
Ink Cartridge
Liquid Jet Head
Piezoelectric Element
Liquid Discharging Device
Liquid Container
Liquid Supply Unit
Injection Method
Manufacturing Method
Liquid Introducing Needle
Protection Member
59 patents (USPTO):Explore Patents
1. 12552174 - Liquid ejecting head, liquid ejecting apparatus, and filter member (2026-02-17),
2. 12251942 - Liquid ejecting apparatus and liquid ejecting method (2025-03-18),
3. 10946656 - Liquid ejection head and liquid ejection apparatus (2021-03-16),
4. 10894400 - Liquid ejecting apparatus (2021-01-19),
5. 10889114 - Liquid ejecting apparatus and liquid ejecting head (2021-01-12),
6. 10857795 - Liquid ejection head, liquid ejection apparatus, and method of manufacturing liquid ejection head (2020-12-08),
7. 10850516 - Liquid ejecting head and liquid ejecting system with a sealing member (2020-12-01),
8. 10703098 - Liquid ejecting apparatus and method (2020-07-07),
9. 10131150 - Injection method and liquid container (2018-11-20),
10. 9855754 - Liquid discharging device (2018-01-02),
11. 9475301 - Protection member for liquid supply unit (2016-10-25),
12. 9399352 - Liquid container (2016-07-26),
13. 9186902 - Liquid containing vessel (2015-11-17),
14. 9156271 - Liquid jet head (2015-10-13),
15. D737135 - Ink cartridge box for printers (2015-08-25),

Title: The Innovative Mind of Noriaki Okazawa

Introduction: Noriaki Okazawa is a pioneering inventor hailing from Nagano, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Noriaki Okazawa holds several recent patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his commitment to pushing the boundaries of what is possible in the modern world.

Career Highlights: With a career spanning over two decades, Noriaki Okazawa has worked with some of the leading tech companies in Japan, spearheading research and development projects that have led to significant advancements in various industries.

Collaborations: Throughout his career, Noriaki Okazawa has collaborated with top researchers, engineers, and scientists both locally and internationally, fostering a culture of innovation and knowledge-sharing that has been instrumental in his success.

Conclusion: Noriaki Okazawa's relentless pursuit of innovation and his passion for creating technologies that have the potential to change the world make him a true visionary in the field of inventing. His work continues to inspire future generations of inventors and innovators to think big and aim for the impossible.

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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