Average Co-Inventor Count = 3.09
ph-index = 4
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. Kaneka Corporation (5 from 1,700 patents)
2. Sharp Kabushiki Kaisha Corporation (3 from 25,530 patents)
3. Japan Tobacco Inc. (1 from 1,037 patents)
9 patents:
1. 9708581 - Stem cell separating material and method of separation
2. 9649424 - Blood component separation system and separation material
3. 9057052 - Stem cell separating material and method of separation
4. 8963165 - Nitride semiconductor structure, nitride semiconductor light emitting element, nitride semiconductor transistor element, method of manufacturing nitride semiconductor structure, and method of manufacturing nitride semiconductor element
5. 8932854 - Adsorbent for lymphocyte proliferation inhibitor and treating method
6. 8001979 - Shredded tobacco and method of treating tobacco
7. 7850858 - Granulocyte adsorbent
8. 7251076 - Optical component and method for producing thick polyimide film
9. 6498330 - Spherical aberration detector and optical pickup device