Average Co-Inventor Count = 5.21
ph-index = 5
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. Zenyaku Kogyo Kabushiki Kaisha (14 from 41 patents)
2. Sony Corporation (1 from 58,132 patents)
15 patents:
1. 9132130 - Purine derivative and antitumor agent using same
2. 9089561 - Methods for treating depression, neurodegeneration, inhibiting amyloid β deposition, delaying senescence, and extending life spans with heterocyclic compounds
3. 8563715 - Pyrimidine derivative having cell protecting effect and uses thereof
4. 8338414 - Immunosuppressive agent and anti-tumor agent comprising heterocyclic compound as active ingredient
5. 7901822 - Fuel cell and voltage supply method
6. 7855199 - Heterocyclic compound and anti-malignant-tumor agent containing the same as active ingredient
7. 7767824 - Heterocyclic compounds and cerebral function improvers containing the same as the active ingredient
8. 7750001 - Immunosuppressive agent and anti-tumor agent comprising heterocyclic compound as active ingredient
9. 7307077 - Heterocyclic compound and antitumor agent containing the same as effective ingredient
10. 7153853 - Heterocyclic compounds and antitumor drugs containing the same as the active ingredient
11. 7141579 - Heterocyclic compounds and cerebral function improvers containing the same as the active ingredient
12. 7071189 - Heterocyclic compound and antitumor agent containing the same as active ingredient
13. 6635652 - Azaindolizinone derivatives and cerebral function improvers containing the same as the active ingredient
14. 6251900 - Heterocyclic compounds and antitumor agent containing the same as active ingredient
15. 5112833 - 1-azaindolizine derivatives, synthetic intermediates thereof and