Average Co-Inventor Count = 2.00
ph-index = 1
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. Nippon Yusen Kabushiki Kaisha (1 from 15 patents)
2. Nihon Matai Co., Ltd. (1 from 6 patents)
3. Nippon Yusen Kabushiki Kaisha and Nihon Matai Co., Ltd. (1 from 1 patent)
2 patents:
1. 5887979 - Liner bag used for a container
2. 5639164 - Liner bag used for a container