Kenneth E Trueba

This inventor holds 58 USPTO granted patents and 1 published patent application, plus 3 CIPO patents and 2 EPO patents, primarily in Inkjet Technology (CPC class 347 ). Top assignees: Hewlett-Packard Company, Hewlett-Packard Development Company, L.p., Videojet Technologies Inc.. Active years: 1989-2015.

USPTO Granted Patents = 58 (Patent Applications = 1)

% Patents Active = 87.9

CIPO Patents = 3 (Patent Applications = 1)

EPO Patents = 2 (Patent Applications = 3)

Average Co-Inventor Count = 3.7

ph-index = 23

Forward Citations = 1,702(Granted Patents)

Forward Citations (Not Self Cited) = 1,671(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Sant Cugat del Valles, ES (1999)
Philoma, OR (US) (2001)
Barcelona, ES (1999 - 2002)
Philomas, OR (US) (2002 - 2005)
Philomath, OR (US) (2003 - 2009)
Corvallis, OR (US) (1989 - 2015)

Company Filing History:

36 out of 9,639

Hewlett-Packard Company

patents

9 out of 27,650

Hewlett-Packard Development Company, L.p.

patents

8 out of 194

Videojet Technologies Inc.

patents

4. 2 out of 156

Hewlett-Packard Corporation

Years Active: 1989-2015

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Areas of Expertise:

Thermal Inkjet Printhead

Ink Containment System

Droplet Generation

Ink Level Sensing

Bioactive Compositions

Fluid Ejector Head

High Density Nozzle Array

Ink Delivery System

Curable Printing Fluid

Printhead Architecture

Multi-Chamber Cartridges

Pump Driven Circulation

58 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8960886 - Thermal inkjet print head with solvent resistance (2015-02-24),

2. 8794750 - Ink containment system and ink level sensing system for an inkjet cartridge (2014-08-05),

3. 8733900 - Thermal inkjet print head with solvent resistance (2014-05-27),

4. 8523313 - Inkjet cartridge (2013-09-03),

5. 8454149 - Thermal inkjet print head with solvent resistance (2013-06-04),

6. 8454146 - Ink containment system and ink level sensing system for an inkjet cartridge (2013-06-04),

7. 8272704 - Ink containment system and ink level sensing system for an inkjet cartridge (2012-09-25),

8. 8113613 - System and method for maintaining or recovering nozzle function for an inkjet printhead (2012-02-14),

9. 8091993 - Ink containment system and ink level sensing system for an inkjet cartridge (2012-01-10),

10. 7956097 - Curable thermally ejectable printing fluid (2011-06-07),

11. 7763668 - Curable thermally ejectable printing fluid (2010-07-27),

12. 7490924 - Drop generator for ultra-small droplets (2009-02-17),

13. 7243648 - Thermal drop generator (2007-07-17),

14. 7198044 - Applicator for dispensing bioactive compositions and methods for using the same (2007-04-03),

15. 7125731 - Drop generator for ultra-small droplets (2006-10-24),

Title: The Innovative Journey of Kenneth E Trueba

Introduction: Kenneth E Trueba, a talented inventor hailing from Philomath, Oregon, has made significant contributions to the world of innovations with his creative mind and dedication.

Latest Patents: Kenneth E Trueba holds several patents in various fields, showcasing his versatility and expertise in inventing groundbreaking solutions to complex problems.

Career Highlights: Throughout his career, Kenneth E Trueba has demonstrated a keen eye for identifying gaps in the market and developing unique inventions to fill those voids. His innovative spirit has led to the creation of several successful products that have improved the lives of many.

Collaborations: Kenneth E Trueba has collaborated with leading research institutions, universities, and companies to bring his inventions to life. His ability to work effectively in a team setting has been instrumental in the success of many projects.

Conclusion: Kenneth E Trueba's passion for innovation and his relentless drive to push the boundaries of what is possible make him a true pioneer in the world of inventions. His contributions have left a lasting impact and continue to inspire future generations of inventors.