Average Co-Inventor Count = 2.33
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. Fujitsu Corporation (3 from 39,237 patents)
3 patents:
1. 6238943 - Optical semiconductor device and a method of manufacturing the same
2. 5987046 - Optical semiconductor device and a method of manufacturing the same
3. 5362674 - Method of producing a mesa embedded type optical semiconductor device