Average Co-Inventor Count = 5.08
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. Dewertokin Technology Group Co., Ltd. (7 from 45 patents)
2. Okin Refined Electric Technology Co., Ltd (2 from 9 patents)
9 patents:
1. 12478186 - Chair frame and chair
2. 12446693 - Elderly chair support and elderly chair
3. 12408754 - Adjustable bracket and high-feet sofa
4. 12207731 - Sofa seat stretching device
5. 12178325 - Ottoman linkage device, frame body, and seat
6. 11564496 - Interlockingly extending driving mechanism for electric sofa
7. 11478083 - Sofa backrest adjusting apparatus with integrated headrest and lumbar cushion
8. 11000129 - Flip headrest device for sofa
9. 10993539 - Head and waist integrated device