% Expired Patents = 20.0

Trademarks = 2

Forward Citations = 0

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13 inventors (with patents filed for the assignee):

Tamao Okuya (2 out of 2 patents)

Junichi Tayanagi (2 out of 2 patents)

Yukio Matsumura (2 out of 7 patents)

4. Yasushi Yoshida (1 out of 3 patents)

5. Shuichi Ohkawa (1 out of 1 patent)

6. Tadao Yuki (1 out of 1 patent)

7. Kazumi Ohshima (1 out of 1 patent)

8. Kouji Nobuta (1 out of 1 patent)

9. Taigo Ohsawa (1 out of 1 patent)

10. Kazuo Kitamura (1 out of 1 patent)

11. Masato Kamada (1 out of 1 patent)

12. Shouhei Matsui (1 out of 6 patents)

13. Nobuyoshi Shoji (1 out of 1 patent)

5 patents: Sort by Forward Citations

1. 11517894 - Processing method of base material sheet, manufacturing method of modified base material sheet, base material with grafted polymer chain, and ion exchange membrane (2022-12-06),

2. 11052386 - Processing method of base material sheet, manufacturing method of modified base material sheet, base material with grafted polymer chain, and ion exchange membrane (2021-07-06),

3. 9358724 - Method for producing dialysis tank chamber frame (2016-06-07),

4. 8377179 - Moisture control module, process for producing the moisture control module, and apparatus for producing the moisture control module (2013-02-19),

5. 8197658 - Hollow electrode with film for electrodeposition coating (2012-06-12),

Company Overview

AGC Engineering Co., Ltd. is a leading engineering company specializing in providing innovative solutions for a wide range of industries. With over 20 years of experience, we offer high-quality engineering services, consultancy, and project management. Our team of experienced engineers and professionals are dedicated to delivering excellence in all aspects of their work, ensuring customer satisfaction and success. Contact us today to learn more about how AGC Engineering can support your engineering needs.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

5 Patents

#73 in Chiba

#6,654 in Japan

Chiba, Japan

Agc Engineering Co., Ltd.

Forward Citations = 0

13 inventors:

Tamao Okuya (2 out of 2 patents)

Junichi Tayanagi (2 out of 2 patents)

Yukio Matsumura (2 out of 7 patents)

4. Yasushi Yoshida (1 out of 3 patents)

5. Shuichi Ohkawa (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Agc Engineering Co., Ltd.. Retrieved from https://idiyas.com/company/agc-engineering-company

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]