Average Co-Inventor Count = 2.67
ph-index = 2
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. Other (1 from 832,680 patents)
2. Calpis Co., Ltd. (1 from 35 patents)
2 patents:
1. 6596301 - Anti-stress drugs and functional foods having anti-stress effects
2. 6284243 - Physiologically functional food having brain function-improving, learning ability-enhancing, and memory-enhancing functions