Average Co-Inventor Count = 1.50
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. Teraoka Seiko Co., Ltd. (2 from 46 patents)
2 patents:
1. 9354107 - Item registration apparatus and measuring device
2. 9123214 - Commodity sales data processing device