Average Co-Inventor Count = 5.44
ph-index = 4
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. Sumitomo Osaka Cement Co., Ltd. (4 from 476 patents)
2. Keio University (4 from 339 patents)
4 patents:
1. 7630537 - Three-dimensional shape-measuring device
2. 7545279 - Condition-analyzing device
3. 7431700 - Body movement and respiration monitor
4. 7428468 - Monitoring apparatus