Average Co-Inventor Count = 3.43
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. Nichia Corporation (4 from 3,080 patents)
2. Citizen Electronics Co., Ltd. (1 from 608 patents)
3. Citizen Holdings Company, Ltd. (1 from 450 patents)
4 patents:
1. 9293674 - Light emitting device including light emitting element, outer connection electrodes and resin layer
2. 9123864 - Semiconductor light-emitting element
3. 8823031 - Semiconductor light emitting device including metal reflecting layer
4. 8686441 - Life-improved semiconductor light emitting device