Average Co-Inventor Count = 6.22
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. Nippon Kayaku Kabushiki Kaisha (3 from 775 patents)
2. Takara Shuzo Co., Inc. (2 from 190 patents)
3. Takara Shuzo Col., Ltd. (1 from 1 patent)
4. Takaru Shuzo Co., Ltd. (1 from 1 patent)
4 patents:
1. 6350917 - &agr;-crystal of cyclopentenone
2. 5162581 - Crystalline deoxyspergualin, process for its preparation and suppository
3. 4981595 - Process for the purification of spergualin-related compounds
4. 4603015 - Method for producing glyoxylylspermidine and the use thereof for the