Average Co-Inventor Count = 1.60
ph-index = 2
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. Sanyo Electric Co., Ltd. (2 from 8,782 patents)
2. Tokyo Sanyo Electric Co. (1 from 69 patents)
2 patents:
1. 6247773 - Cooling storage cabinet
2. 4630451 - Refrigerated display cabinet