Average Co-Inventor Count = 2.44
ph-index = 1
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Powdertech Co., Ltd. (11 from 94 patents)
11 patents:
1. 12455516 - Ferrite particle, carrier core material for electrophotographic developer, carrier for electrophotographic developer, and electrophotographic developer
2. 12436480 - Ferrite particles, electrophotographic developer carrier core material, electrophotographic developer carrier, and electrophotographic developer
3. 12422763 - Ferrite particles, electrophotographic developer carrier core material, electrophotographic developer carrier, and electrophotographic developer
4. 12386281 - Ferrite particles, electrophotographic developer carrier core material, electrophotographic developer carrier, and electrophotographic developer
5. 12253825 - Ferrite particles, electrophotographic developer carrier core material, electrophotographic developer carrier, and electrophotographic developer
6. 12204280 - Carrier, xerographic developer, and carrier production method
7. 11422480 - Ferrite carrier core material for electrophotographic developer, ferrite carrier, manufacturing method thereof, and electrophotographic developer using said ferrite
8. 11029618 - Carrier, electrophotographic developer and production method of carrier
9. 9329515 - Resin-coated carrier for electrophotographic developer and electrophotographic developer using the resin-coated carrier
10. 9201329 - Porous ferrite core material for electrophotographic developer, resin-coated ferrite carrier and electrophotographic developer using the ferrite carrier
11. 8541155 - Resin-coated carrier for electrophotographic developer, and electrophotographic developer