For the Inventor, By the Inventor

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Hong Kong, China

Kem Hongkong Limited

USPTO Granted Patents = 27

EPO Patents = 2

Forward Citations = 265

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14 inventors (with patents filed for the assignee):

Ryuta Kuramochi (8 out of 11 patents)

Tetsuo Kondo (5 out of 6 patents)

Satoshi Ogawa (4 out of 7 patents)

4. Hideo Kato (3 out of 20 patents)

5. Qilong Shang (2 out of 2 patents)

6. Eiji Kawamura (1 out of 1 patent)

7. Huawei Lin (1 out of 1 patent)

8. Hideki Motosugi (1 out of 2 patents)

9. Naokazu Suzuki (1 out of 8 patents)

10. Keizo Kumazawa (1 out of 1 patent)

11. Kentaro Yabukoshi (1 out of 1 patent)

12. Fumiaki Miura (1 out of 3 patents)

13. Yoshitaka Taketomi (1 out of 1 patent)

14. Hideya Tajima (0 patent)

27 patents: Sort by Forward Citations

1. 12477049 - Hinge supporting device and electronic equipment using the same (2025-11-18),

2. 12256509 - Document cover closer and office equipment having the same (2025-03-18),

3. 12146364 - Document cover closer and office equipment having the same (2024-11-19),

4. 11953950 - Articulated hinge device and electronic device using the same (2024-04-09),

5. 11802431 - Document cover closer and office equipment using the same (2023-10-31),

6. 11644874 - Multiaxial hinge device and electronic device using the same (2023-05-09),

7. 11603962 - Supporting mechanism and supporting device having the same (2023-03-14),

8. 11136806 - Opening and closing device for opening and closing body, and various opened and closed bodies having the same (2021-10-05),

9. 11072958 - Damper hinge and western-style toilet using the same (2021-07-27),

10. 10845849 - Parallel biaxial hinge and electronic device (2020-11-24),

11. 10788785 - Document cover closer and office equipment having the same (2020-09-29),

12. 10781621 - Hinge device and office equipment using the same (2020-09-22),

13. 10754285 - Original cover closer and office equipment using the same (2020-08-25),

14. 10429896 - Opening and closing device and terminal device (2019-10-01),

15. 10401914 - Biaxial hinge and terminal device using the same (2019-09-03),

KEM Hong Kong Limited is a leading provider of electronic components and solutions. With over 20 years of experience, we specialize in supplying high-quality electronic components to various industries, including automotive, telecommunications, and consumer electronics. Our extensive product range includes semiconductors, resistors, capacitors, connectors, and more. We are committed to delivering reliable and innovative solutions to our clients, ensuring their success in the ever-evolving electronic market. Visit our website to explore our product offerings and learn more about our services.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

27 Patents

#120 in Hong Kong

#997 in China

#23,254 in the World

Hong Kong, China

Kem Hongkong Limited

Forward Citations = 265

14 inventors:

Ryuta Kuramochi (8 out of 11 patents)

Tetsuo Kondo (5 out of 6 patents)

Satoshi Ogawa (4 out of 7 patents)

4. Hideo Kato (3 out of 20 patents)

5. Qilong Shang (2 out of 2 patents)

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