Average Co-Inventor Count = 1.20
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. Lea Way Hand Tool Corporation (2 from 27 patents)
2. Easco Hand Tools, Inc. (1 from 74 patents)
3. Apex Tool (hk) Limited Taiwan Branch (6 patents)
4. Danaher Tool Limited, Taiwan Branch (2 patents)
3 patents:
1. D555995 - Joint wrench
2. 7118406 - Socket connecting structure
3. 7028590 - Retractable open end wrench