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Camas, WA, United States of America

Wafertech, Inc.

USPTO Granted Patents = 56

% Expired Patents = 1.8

Trademarks = 1

Forward Citations = 95

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53 inventors (with patents filed for the assignee):

Re-Long Chiu (9 out of 9 patents)

Yimin Wang (8 out of 9 patents)

Daniel Piper (7 out of 17 patents)

4. Shu-Lan Ying (4 out of 4 patents)

5. Phong T Nguyen (4 out of 4 patents)

6. Jason Higgins (3 out of 3 patents)

7. Guy Jacobson (3 out of 3 patents)

8. Shih-Tzung Chang (3 out of 3 patents)

9. Wen-Szu Chung (3 out of 3 patents)

10. Ganesh Yerubandi (3 out of 3 patents)

11. Kun-Yi Liu (3 out of 3 patents)

12. Chang-Kuei Huang (3 out of 3 patents)

13. Chris Lary (2 out of 2 patents)

14. Hsin-I Li (2 out of 2 patents)

15. Wen-Bin Tsai (2 out of 2 patents)

Core Competencies:

Nonvolatile Memory Cell

Fluid Monitoring System

Metal Ion Detection

Integrated Circuits

Semiconductor Manufacturing

High Density Plasma

Silicon Gate

Acoustic Waves

Deep Trench Method

STI Structures

Flash Cell

Optical Lithography

56 patents: Sort by Forward Citations

1. 11175257 - Solid state sensor for metal ion detection and trapping in solution (2021-11-16),

2. 10438826 - Fluid monitoring system and method for semiconductor fabrication tools (2019-10-08),

3. 10128325 - Inductor structures for integrated circuits (2018-11-13),

4. 10115789 - Nonvolatile memory cell with improved isolation structures (2018-10-30),

5. 10067084 - Solid state sensor for metal ion detection and trapping in solution (2018-09-04),

6. 10056276 - Fluid monitoring system and method for semiconductor fabrication tools (2018-08-21),

7. 9831087 - Split gate embedded flash memory and method for forming the same (2017-11-28),

8. 9618929 - Method and priority system for inventory management in semiconductor manufacturing (2017-04-11),

9. 9564382 - Test structure for determining overlay accuracy in semiconductor devices using resistance measurement (2017-02-07),

10. 9520355 - Voltage and temperature independent MIM capacitors (2016-12-13),

11. 9480938 - Method for using acoustic waves for purging filters in semiconductor manufacturing equipment (2016-11-01),

12. 9401367 - Nonvolatile memory cell with improved isolation structures (2016-07-26),

13. 9397227 - Split gate flash cell semiconductor device (2016-07-19),

14. 9378960 - Method and structure for improved floating gate oxide integrity in floating gate semiconductor devices (2016-06-28),

15. 9378954 - Plasma pre-treatment for improved uniformity in semiconductor manufacturing (2016-06-28),

Company Overview

Wafertech, Inc., based in Camas, Washington, specializes in semiconductor technology, focusing on the development and manufacturing of advanced integrated circuits. The company is recognized for its expertise in nonvolatile memory cells and fluid monitoring systems, as well as metal ion detection technologies. With a commitment to innovation, Wafertech leverages high-density plasma processes and silicon gate technology to enhance semiconductor manufacturing capabilities, contributing to various applications in the electronics industry.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

56 Patents

#4 in Camas, WA

#136 in Washington

#6,354 in US

#12,744 in the World

Camas, WA, United States of America

Wafertech, Inc.

Forward Citations = 95

53 inventors:

Re-Long Chiu (9 out of 9 patents)

Yimin Wang (8 out of 9 patents)

Daniel Piper (7 out of 17 patents)

4. Shu-Lan Ying (4 out of 4 patents)

5. Phong T Nguyen (4 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Wafertech, Inc.. Retrieved from https://idiyas.com/company/wafertech

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]

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