Average Co-Inventor Count = 4.00
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. Fujisawa Pharmaceutical Company, Ltd. (2 from 940 patents)
2. Takenaka Komuten Co., Ltd. (1 from 36 patents)
3. Nippon Nyukazai Co., Ltd. (1 from 9 patents)
2 patents:
1. 5443635 - Cement compositions
2. 5009713 - Cement composition and a process for preparation thereof