Average Co-Inventor Count = 6.00
ph-index = 4
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. Kao Corporation (4 from 3,602 patents)
2. Seibu Electric Machinery Co., Ltd. (4 from 23 patents)
4 patents:
1. 5163808 - Layer palletizing apparatus
2. 5024572 - Goods handling method and apparatus thereof
3. 5004401 - Layer palletizing method
4. 5000643 - Goods handling method and apparatus thereof