Average Co-Inventor Count = 1.25
ph-index = 5
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. Hakuba Shashin Sangyo Kabushiki Kaisha (2 from 9 patents)
2. Hakuba Photo Industry Co. Ltd. (2 from 6 patents)
3. Habuka Shashin Sangyo Kabushiki Kaisha (1 from 1 patent)
5 patents:
1. D382288 - Tilting pan head for camera
2. D373133 - Tripod for a camera
3. D371149 - Tripod for a camera
4. D350970 - Tripod for a camera
5. D349914 - Tripod for camera