Average Co-Inventor Count = 1.92
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. Taisei Kako Co., Ltd. (3 from 82 patents)
2. Hitachi-high-technologies Corporation (1 from 2,874 patents)
4 patents:
1. D1088882 - Packaging container
2. D1034217 - Packaging container
3. D1015874 - Cap for packaging container
4. D748813 - Sample preparation container