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% Expired Patents = 16.7

Forward Citations = 95

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8 inventors (with patents filed for the assignee):

Ki Il Kim (12 out of 30 patents)

Young Kim (12 out of 14 patents)

Sarah Duncanson (8 out of 8 patents)

4. Paul Kim (6 out of 6 patents)

5. Sang Woo Kim (2 out of 106 patents)

6. Seongsu Kim (1 out of 7 patents)

7. Sandra Dyche (1 out of 1 patent)

8. Keunyoung Lee (1 out of 1 patent)

12 patents: Sort by Forward Citations

1. 12456903 - Mobil renewable power plant for military and the other industries (2025-10-28),

2. 12325319 - Apparatus and method for autonomous power generation and battery recharging in electric vehicles (2025-06-10),

3. 11777372 - Portable power generating system uses rotating table (2023-10-03),

4. 11613279 - Train rail power generating system and method (2023-03-28),

5. 11606003 - Portable power generating system uses rotating table (2023-03-14),

6. 11535283 - Train derailment and rollover prevention system (2022-12-27),

7. 11046178 - Vehicle safety and power generating system (2021-06-29),

8. 10476333 - Graphene power generating system using wasting energy from rotating shafts (2019-11-12),

9. 9160222 - Apparatus with power generators driven by electric motors (2015-10-13),

10. 8872368 - Power generating system using wasting energy from moving objects (2014-10-28),

11. 8536760 - Ball-electric power generator (2013-09-17),

12. 8519596 - Graphene triboelectric charging device and a method of generating electricity by the same (2013-08-27),

K-technology Usa, Inc. is a leading technology company specializing in cutting-edge solutions for various industries. With a focus on innovation and quality, we offer a wide range of products and services to meet the needs of our clients. Our team of experts are dedicated to providing top-notch customer service and support. Visit our website to learn more about our offerings and how we can help your business succeed.

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Company Badge

USPTO Data Jan 1 1976 - Sep 15 2026

12 Patents

#166 in Los Angeles, CA

#6,047 in California

#25,496 in US

#48,036 in the World

Los Angeles, CA, United States of America

K-Technology USA, Inc.