For the Inventor, By the Inventor

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Taichung, Taiwan

IV Technologies Co., Ltd.

USPTO Granted Patents = 40

Trademarks = 2

Forward Citations = 110

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28 inventors (with patents filed for the assignee):

Yu-Piao Wang (18 out of 21 patents)

Wen-Chang Shih (13 out of 14 patents)

Yung-Chung Chang (10 out of 10 patents)

4. Min-Kuei Chu (8 out of 8 patents)

5. Kun-Che Pai (7 out of 7 patents)

6. Yu-Hao Pan (5 out of 5 patents)

7. Lung-Chen Wei (4 out of 4 patents)

8. Shiuan-Tzung Li (3 out of 3 patents)

9. Chao-Chin Wang (3 out of 3 patents)

10. Chung-Ru Wu (2 out of 2 patents)

11. I-Ping Chen (2 out of 2 patents)

12. Ching-Huang Shen (2 out of 2 patents)

13. Wei-Wen Yang (2 out of 2 patents)

14. Shen-Yu Chang (2 out of 2 patents)

15. Chun-Ming Ting (1 out of 1 patent)

Core Competencies:

Polishing Pad

Polishing Method

Manufacturing Method

Polishing Layer

Substrate Retaining Ring

CMP Technology

Inlaid Polishing Pad

Detection Window

Single-Layer Polishing Pad

Fabrication Techniques

Polishing System

Base Layer

40 patents: Sort by Forward Citations

1. 12420375 - Polishing pad and polishing method (2025-09-23),

2. 11872671 - Polishing pad and polishing method (2024-01-16),

3. 11858089 - Polishing layer and polishing method (2024-01-02),

4. 11850701 - Polishing pad, manufacturing method of polishing pad and polishing method (2023-12-26),

5. 11541505 - Polishing pad, manufacturing method of polishing pad and polishing method (2023-01-03),

6. 11524389 - Polishing pad and polishing method (2022-12-13),

7. 11498181 - Polishing pad and manufacturing method of polishing pad and polishing method (2022-11-15),

8. 10828745 - Polishing pad and polishing method (2020-11-10),

9. 10518386 - Polishing pad and polishing method (2019-12-31),

10. 10478940 - Manufacturing method of polishing layer, and polishing method (2019-11-19),

11. 10421173 - Base layer, polishing pad with base layer, and polishing method (2019-09-24),

12. 10239182 - Polishing pad and polishing method (2019-03-26),

13. 10040167 - Polishing pad, polishing system and polishing method (2018-08-07),

14. 9969049 - Polishing layer of polishing pad and method of forming the same and polishing method (2018-05-15),

15. RE46648 - Polishing pad, polishing method and method of forming polishing pad (2017-12-25),

IV Technologies CO., Ltd. is a technology company specializing in innovative solutions for various industries. With a strong focus on research and development, we aim to provide cutting-edge products and services to meet the evolving needs of our clients. Our dedicated team of experts strive to deliver high-quality solutions that drive growth, efficiency, and digital transformation for businesses worldwide. Visit our website to learn more about our advanced technology offerings.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

40 Patents

#42 in Taichung

#466 in Taiwan

#16,558 in the World

Taichung, Taiwan

IV Technologies Co., Ltd.

Forward Citations = 110

28 inventors:

Yu-Piao Wang (18 out of 21 patents)

Wen-Chang Shih (13 out of 14 patents)

Yung-Chung Chang (10 out of 10 patents)

4. Min-Kuei Chu (8 out of 8 patents)

5. Kun-Che Pai (7 out of 7 patents)

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