Naoto A Kawamura

This inventor holds 56 USPTO granted patents and 2 published patent applications, plus 1 CIPO patent and 3 EPO patents, primarily in Inkjet Printhead Technology (CPC class B41J). Top assignees: Hewlett-Packard Development Company, L.p., Hewlett-Packard Company. Active years: 1997-2009.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Naoto A Kawamura. Retrieved from https://idiyas.com/inventor/naoto-a-kawamura

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

USPTO Granted Patents = 56 (Patent Applications = 2)

% Patents Active = 62.5

CIPO Patents = 1

EPO Patents = 3 (Patent Applications = 1)

Average Co-Inventor Count = 2.7

ph-index = 16

Forward Citations = 858(Granted Patents)

Forward Citations (Not Self Cited) = 850(Dec 10, 2025)

Inventors with similar research interests:

Company Filing History:

31 out of 27,679

Hewlett-Packard Development Company, L.p.

patents

25 out of 9,639

Hewlett-Packard Company

patents

Years Active: 1997-2009

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Areas of Expertise:

Inkjet Printing

Fluid Ejection Device

Thermal Inkjet

Interconnect Circuit

Printhead Calibration

Fluid Control Valve

Drop Weight Chambers

Air Movement System

Substrate Formation

Fluid Channel

Ink Containment System

Direct Imaging Orifice

56 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7478476 - Methods of fabricating fit firing chambers of different drop wights on a single printhead (2009-01-20),

2. 7467862 - Interconnect circuit (2008-12-23),

3. 7204933 - Method of forming pillars in a fully integrated thermal inkjet printhead (2007-04-17),

4. 7137690 - Interconnect circuit (2006-11-21),

5. 7111929 - Magnetically-actuated fluid control valve (2006-09-26),

6. 7101029 - Interconnect circuit (2006-09-05),

7. 7097271 - Printhead calibration (2006-08-29),

8. 7083267 - Slotted substrates and methods and systems for forming same (2006-08-01),

9. 7056444 - Method of forming pillars in a fully integrated thermal inkjet printhead (2006-06-06),

10. 7032994 - Interconnect circuit (2006-04-25),

11. 6997538 - Inkjet printing with air current disruption (2006-02-14),

12. 6966112 - Methods of fabricating FIT firing chambers of different drop weights on a single printhead (2005-11-22),

13. 6962406 - Fluid ejection device and method of manufacture (2005-11-08),

14. 6918657 - Fully integrated thermal inkjet printhead having etched back PSG layer (2005-07-19),

15. 6911155 - Methods and systems for forming slots in a substrate (2005-06-28),

Title: The Innovative Journey of Naoto A Kawamura

Introduction:

Naoto A Kawamura is a renowned inventor based in Corvallis, Oregon, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents:

Naoto A Kawamura holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his diverse range of expertise and innovative spirit.

Career Highlights:

With a career spanning over two decades, Naoto A Kawamura has worked with leading tech companies, research institutions, and universities to develop cutting-edge solutions that have revolutionized various industries.

Collaborations:

Throughout his career, Naoto A Kawamura has collaborated with top engineers, scientists, and researchers from around the world, fostering a culture of innovation and knowledge-sharing that has led to numerous successful projects and inventions.

Conclusion:

Naoto A Kawamura's passion for innovation, coupled with his relentless drive to push the boundaries of technology, has solidified his reputation as a visionary inventor whose work continues to inspire and shape the future of technological advancements.

Profile summary based on public USPTO records.