Average Co-Inventor Count = 2.62
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. Semiconductor Energy Laboratory Co., Ltd. (3 from 16,618 patents)
3 patents:
1. 9577209 - Light-emitting device and manufacturing method thereof, lighting device, and display device
2. 7417241 - Ion implantation method and method for manufacturing semiconductor device
3. 6995079 - Ion implantation method and method for manufacturing semiconductor device