For the Inventor, By the Inventor

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Seoul, South Korea

Sindoh Co., Ltd

USPTO Granted Patents = 11

EPO Patents = 1

Trademarks = 4

Forward Citations = 33

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19 inventors (with patents filed for the assignee):

Byoung Bag Lee (5 out of 6 patents)

Jin Sam Park (3 out of 9 patents)

Nam Ik Cho (3 out of 7 patents)

4. Byung Bag Lee (2 out of 2 patents)

5. Woo Sung Jung (2 out of 2 patents)

6. Sung Hoon Lee (2 out of 2 patents)

7. Goo Chul Jung (2 out of 7 patents)

8. Se Woong Yang (1 out of 1 patent)

9. Cheol Ho Ohk (1 out of 2 patents)

10. Jae Han Park (1 out of 14 patents)

11. Ju Sung Lee (1 out of 5 patents)

12. Wan Gyu Kim (1 out of 3 patents)

13. Kun Woo Lee (1 out of 7 patents)

14. In Su Hwang (1 out of 1 patent)

15. Kyu Hoon Han (1 out of 1 patent)

11 patents: Sort by Forward Citations

1. 10417535 - Infill apparatus and method for output of 3D printer (2019-09-17),

2. 9862178 - Apparatus for feeding/discharging filament for 3D printer (2018-01-09),

3. 9661183 - Image correction apparatus and method (2017-05-23),

4. 9575459 - Toner recycling device for image forming apparatus (2017-02-21),

5. 9405228 - Developer discharging device for image forming apparatus (2016-08-02),

6. 9383716 - Cartridge assembly and shutter assembly for image forming apparatus (2016-07-05),

7. D711749 - Developer container for printer cartridge (2014-08-26),

8. 8708325 - Paper clamping apparatus for office machine (2014-04-29),

9. 8520273 - A4-size scanner having function of scanning A3 document and scanning method thereof (2013-08-27),

10. 8223408 - Image forming apparatus having scanning function and scanning method thereof (2012-07-17),

11. D659187 - Printer (2012-05-08),

Sindoh Co., Ltd is a leading Korean manufacturer of printing solutions and 3D printers. The company offers a wide range of high-quality printers, copiers, and MFPs for businesses of all sizes. With a focus on innovation and customer satisfaction, Sindoh continues to be a trusted partner for printing needs worldwide.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

11 Patents

#319 in Seoul

#966 in South Korea

#50,238 in the World

Seoul, South Korea

Sindoh Co., Ltd

Forward Citations = 33

19 inventors:

Byoung Bag Lee (5 out of 6 patents)

Jin Sam Park (3 out of 9 patents)

Nam Ik Cho (3 out of 7 patents)

4. Byung Bag Lee (2 out of 2 patents)

5. Woo Sung Jung (2 out of 2 patents)

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