Average Co-Inventor Count = 7.00
ph-index = 1
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. Sharp Corporation (1 from 847 patents)
2. Yamamoto Kogaku Co., Ltd. (1 from 120 patents)
1 patent:
1. 7170058 - Device for assisting a person in rescue operations under hazardous situations