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Trademarks = 1

Forward Citations = 31

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14 inventors (with patents filed for the assignee):

Umehara Kenji (4 out of 5 patents)

Jeong-Ho Kim (2 out of 6 patents)

Seung-kyoon Noh (2 out of 7 patents)

4. Jae-Geol Choi (2 out of 4 patents)

5. Seung-Gweon Lee (2 out of 3 patents)

6. Yeon-Kawan Chung (1 out of 2 patents)

7. Seong-Kyoon Noh (1 out of 2 patents)

8. Yeon-Kwan Jung (1 out of 1 patent)

9. Seung Kyoon Noh (1 out of 3 patents)

10. Frederick J Lawrence (1 out of 23 patents)

11. George M Cross (1 out of 10 patents)

12. William D Baker (1 out of 11 patents)

13. Mark Spitler (1 out of 1 patent)

14. Louis A Rossi (1 out of 1 patent)

7 patents: Sort by Forward Citations

1. 7690636 - Finishing apparatus in copying machine (2010-04-06),

2. 7487959 - Eject mechanism with grip in finisher (2009-02-10),

3. 7217075 - Tape feeder and method of controlling the same (2007-05-15),

4. 7147217 - Paper binding system of image forming apparatus and method for controlling the same (2006-12-12),

5. 7120384 - Paper processing unit for binding device (2006-10-10),

6. 7063248 - Stapler moving guide device (2006-06-20),

7. 5603494 - Sheet mailbox having a rotatable sheet distributor (1997-02-18),

Gradco Ltd. is a leading provider of industrial equipment and services. With over 20 years of experience, we specialize in providing high-quality solutions for the mining, construction, and manufacturing industries. Our team of experts is dedicated to delivering innovative products and exceptional customer service. Visit our website to learn more about our comprehensive range of products and services.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

7 Patents

#2,027 in Tokyo

#5,307 in Japan

Tokyo, Japan

Gradco Ltd.