Average Co-Inventor Count = 2.00
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. Clover Mfg. Co., Ltd. (5 from 137 patents)
5 patents:
1. D830684 - Bobbin holder
2. 9861167 - Ornament holder
3. D737340 - Motif making tool
4. D737341 - Motif making tool
5. 8893358 - Needle puncher