Average Co-Inventor Count = 3.43
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. Seibu Electric Machinery Co., Ltd. (2 from 23 patents)
2. Kao Corporation (1 from 3,602 patents)
3. Japan Tabacco Inc. (1 from 12 patents)
4. Jt Engineering Inc. (1 from 1 patent)
2 patents:
1. 5386677 - Goods arrangement method and apparatus
2. 5101703 - Box cutting method and apparatus thereof