Average Co-Inventor Count = 4.00
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. Snow Brand Milk Products Co., Ltd. (2 from 200 patents)
2. Fuji Machinery Co., Ltd. (2 from 21 patents)
3. Sanwa Machine Co., Inc. (2 from 2 patents)
2 patents:
1. 3979172 - Ice cream freezer
2. 3945614 - Ice cream freezer