Average Co-Inventor Count = 2.86
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. Sanyo Electric Co., Ltd. (1 from 8,782 patents)
2. Sanyo Electric., Ltd. (1 from 11 patents)
2 patents:
1. 8565594 - Opening/closing cover mechanism
2. 5661567 - Complex recording apparatus having analog copying function and a digital