Average Co-Inventor Count = 4.00
ph-index = 3
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. Yuyama Mfg. Co., Ltd. (3 from 249 patents)
3 patents:
1. 7930060 - Medicine supply system
2. 7871234 - Cart transport apparatus
3. 7775756 - Bucket transfer apparatus