logo

For the Inventor, By the Inventor

Waltham, MA, United States of America

Ztek Corporation


USPTO Granted Patents = 22

% Expired Patents = 18.2

Forward Citations = 941

Loading Chart...
Loading Chart...

7 inventors (with patents filed for the assignee):

goldMedal Michael S Hsu (20 out of 31 patents)

silverMedal Ethan D Hoag (6 out of 23 patents)

bronzeMedal Robin Y P Ong (2 out of 2 patents)

4.  Robin Y Ong (2 out of 2 patents)

5.  Allan P Henderson (1 out of 27 patents)

6.  Bryan Clark (1 out of 17 patents)

7.  Irvine W Wei (1 out of 1 patent)


22 patents:

1. 7910250 - System and method for recharging a metal-air converter used for vehicle propulsion (2011-03-22),
2. 7311986 - Multi-function energy system operable as a fuel cell, reformer, or thermal plant (2007-12-25),
3. 7140328 - Miniature vaporizers for use with chemical converters and energy devices (2006-11-28),
4. 6782667 - Tilt-up and telescopic support tower for large structures (2004-08-31),
5. 6649289 - Fuel cell power supply system (2003-11-18),
6. 6522471 - System of beam narrowing for resolution enhancement and method therefor (2003-02-18),
7. 6458477 - Fuel cell stacks for ultra-high efficiency power systems (2002-10-01),
8. 6380637 - Off-board station and an electricity exchanging system suitable for use with a mobile vehicle power system (2002-04-30),
9. 6183703 - Thermally enhanced compact reformer (2001-02-06),
10. 6083636 - Fuel cell stacks for ultra-high efficiency power systems (2000-07-04),
11. 6054229 - System for electric generation, heating, cooling, and ventilation (2000-04-25),
12. 6024859 - Pressurized integrated electrochemical converter energy system and method (2000-02-15),
13. 5976332 - Ultra-high efficiency turbine and cell combination (1999-11-02),
14. 5948221 - Pressurized, integrated electrochemical converter energy system (1999-09-07),
15. 5858568 - Fuel cell power supply system (1999-01-12),
Company Overview
Ztek Corporation, based in Waltham, MA, specializes in advanced technology solutions, focusing on the development and manufacturing of innovative electronic systems. The company is recognized for its expertise in areas such as signal processing, telecommunications, and embedded systems, catering to a diverse range of industries. Ztek is committed to delivering high-quality products that enhance performance and efficiency, leveraging cutting-edge research to meet the evolving needs of its clients in both domestic and international markets.
Profile summary synthesized from public USPTO records and patent filings.

logo

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

22 Patents

#65 in Waltham, MA

#903 in Massachusetts

#15,021 in US

#28,749 in the World

Waltham, MA (US)
Waltham, MA, United States of America

Ztek Corporation

Forward Citations = 941

7 inventors:

goldMedal Michael S Hsu (20 out of 31 patents)

silverMedal Ethan D Hoag (6 out of 23 patents)

bronzeMedal Robin Y P Ong (2 out of 2 patents)

4.  Robin Y Ong (2 out of 2 patents)

5.  Allan P Henderson (1 out of 27 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ztek Corporation. Retrieved from https://idiyas.com/company/ztek

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

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]
Loading…