Average Co-Inventor Count = 1.89
ph-index = 6
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. Sugatsune Kogyo Co., Ltd. (14 from 228 patents)
14 patents:
1. 12071796 - Hinge mounting structure
2. 12006750 - Hinge having damper and coil spring
3. 11873673 - Single-axis hinge
4. 11284729 - Damper device set and cooling and/or freezing showcase
5. 11118389 - Retracting device and retracting device set
6. 9353562 - Door opening and closing device
7. D744315 - Door closer
8. 9181743 - Door opening/closing device unit and method for mounting the same
9. 8894162 - Stay for opening and closing of door
10. D716129 - Hinge for furniture
11. D716130 - Hinge for furniture
12. 8739468 - Door opening and closing device
13. D639136 - Door closer
14. 7178199 - Hinge