Average Co-Inventor Count = 5.00
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. Kabushiki Kaisha Toshiba (1 from 52,751 patents)
2. Sumitomo Cement Co., Ltd. (1 from 35 patents)
1 patent:
1. 5051650 - Ultraviolet-suppressed light source, coating agent used in the same, and