Average Co-Inventor Count = 3.75
ph-index = 7
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. Sumitomo Chemical Company, Limited (7 from 6,896 patents)
2. Sumitomo Pharmaceuticals Company Limited (6 from 174 patents)
3. Yamanouchi Pharmaceutical Company Ltd. (1 from 329 patents)
13 patents:
1. 5385738 - Sustained-release injection
2. 5081156 - Sustained-release preparation
3. 5021241 - Long-term sustained-release preparation
4. 4880796 - Antimicrobial preparation
5. 4855134 - Sustained-release preparation
6. 4774091 - Long-term sustained-release preparation
7. 4582845 - Pharmaceutical composition for injection
8. 4514386 - Cream Preparation
9. 4396625 - Treatment of glaucoma or ocular hypertension and ophthalmic composition
10. 4352793 - Pharmaceutical composition comprising bencyclane fumarate and
11. 4244943 - Method for preparing urokinase injection
12. 4226769 - Process for preparing a solid preparation of a penicillin derivative
13. 3962436 - Pharmaceutical compositions having controlled rate of gastro-intestinal