Average Co-Inventor Count = 1.00
ph-index = 3
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. Other (3 from 832,812 patents)
2. Sk Holding Co., Ltd. (2 from 3 patents)
5 patents:
1. RE43197 - Expandable stinger planter
2. 6941880 - Planting machine and method
3. 6615753 - Expandable stinger planter
4. 6341568 - Expandable stinger planter
5. 6158362 - Expandable stinger planter