Average Co-Inventor Count = 5.00
ph-index = 3
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. Oki Electric Industry Co., Ltd. (4 from 4,979 patents)
4 patents:
1. 5212472 - Gas discharge type light emission apparatus and method of driving the
2. 5159238 - Gas discharge panel
3. 4661827 - Thermal head
4. 4587400 - Thermal head