Average Co-Inventor Count = 2.57
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. (3 from 5,996 patents)
3 patents:
1. 9351372 - Lighting device and lighting system
2. 8698290 - LED lamp
3. 8613525 - LED illumination unit, LED illumination device, and LED illumination system