Average Co-Inventor Count = 3.43
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. Rohm Co., Ltd. (2 from 6,019 patents)
2 patents:
1. 8830067 - Illumination device
2. 8675008 - Calculation device, movement detection device, and electronic instrument