1. Powdertech Co., Ltd. (13 from 94 patents)

1. 12204280 - Carrier, xerographic developer, and carrier production method

2. 11422480 - Ferrite carrier core material for electrophotographic developer, ferrite carrier, manufacturing method thereof, and electrophotographic developer using said ferrite

3. 11112716 - Carrier core material for electrophotographic developer and method for producing the same, and carrier for electrophotographic developer and developer containing said carrier core material

4. 11099495 - Magnetic core material for electrophotographic developer, carrier for electrophotographic developer, developer, method for producing magnetic core material for electrophotographic developer, method for producing carrier for electrophotographic developer, and method for producing developer

5. 11029618 - Carrier, electrophotographic developer and production method of carrier

6. 10996576 - Magnetic core material for electrophotographic developer, carrier for electrophotographic developer, and developer

7. 10996579 - Magnetic core material for electrophotographic developer, carrier for electrophotographic developer, and developer

8. 10969706 - Magnetic core material for electrophotographic developer, carrier for electrophotographic developer, and developer

9. 10754271 - Magnetic core material for electrophotographic developer, carrier for electrophotographic developer, and developer

10. 10248039 - Carrier, electrophotographic developer, and method of manufacturing carrier

11. 10036982 - Carrier and electrophotographic developer using the carrier

12. 9588453 - Resin-filled ferrite carrier for electrophotographic developer and electrophotographic developer using the ferrite carrier

13. 9201328 - Core material for resin-filled ferrite carrier and ferrite carrier for electrophotographic developer, and electrophotographic developer using the ferrite carrier