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Copyer Co., Ltd.

USPTO Granted Patents = 41

Forward Citations = 337

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52 inventors (with patents filed for the assignee):

Shozo Ishikawa (7 out of 38 patents)

Naoki Kiyohara (6 out of 13 patents)

Kazuhiro Murakami (6 out of 8 patents)

4. Ryoma Suzuki (6 out of 8 patents)

5. Iwao Kawamura (6 out of 17 patents)

6. Kensuke Izuma (6 out of 9 patents)

7. Kiyokazu Namekata (6 out of 7 patents)

8. Kazuharu Katagiri (6 out of 126 patents)

9. Makoto Kitahara (6 out of 42 patents)

10. Shigeto Ohta (5 out of 6 patents)

11. Kazuhiro Nishimura (4 out of 15 patents)

12. Katsunori Watanabe (4 out of 15 patents)

13. Yuichi Sugiyama (3 out of 37 patents)

14. Yuji Matsuda (3 out of 32 patents)

15. Yousuke Tatsumi (3 out of 4 patents)

41 patents: Sort by Forward Citations

1. 6582046 - Method and device for image processing (2003-06-24),

2. 6568790 - Printer (2003-05-27),

3. 6530639 - Image forming device (2003-03-11),

4. 6519441 - Roll paper unit having paper path switching member and image forming apparatus employing the same (2003-02-11),

5. 6488424 - Image forming device (2002-12-03),

6. 6478491 - Image forming apparatus (2002-11-12),

7. 6477350 - Fixation unit having contact and pressure rollers (2002-11-05),

8. 6471344 - Ink supply device and ink filling method (2002-10-29),

9. 6470160 - Image forming apparatus with manual sheet feeder tray or discharged-sheet tray (2002-10-22),

10. 6460983 - Ink supply device and ink filling method (2002-10-08),

11. 6409322 - Ink supply apparatus and ink filling method (2002-06-25),

12. 6409301 - Ink-jet image forming device (2002-06-25),

13. 6371668 - Printing data transfer method and printer (2002-04-16),

14. 6348697 - Media detection method and device (2002-02-19),

15. 6312071 - Scanning type image formation apparatus (2001-11-06),

Copyer Co., Ltd. is a leading provider of printing and copying solutions, offering a wide range of products and services for businesses of all sizes. We specialize in digital printing, photocopying, document scanning, and print management services. With a team of highly skilled professionals and state-of-the-art technology, we deliver exceptional quality and efficiency to our clients. Visit our website to explore our products and solutions.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

41 Patents

#794 in Tokyo

#1,896 in Japan

#16,191 in the World

Copyer Co., Ltd.

Forward Citations = 337

52 inventors:

Shozo Ishikawa (7 out of 38 patents)

Naoki Kiyohara (6 out of 13 patents)

Kazuhiro Murakami (6 out of 8 patents)

4. Ryoma Suzuki (6 out of 8 patents)

5. Iwao Kawamura (6 out of 17 patents)

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