Average Co-Inventor Count = 1.89
ph-index = 1
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. Sony Nec Optiarc Inc. (2 from 12 patents)
2. Sony Optiarc Inc. (1 from 4 patents)
3 patents:
1. 8356313 - Reduced thickness disc drive apparatus
2. 8286200 - Disk drive apparatus and electronic appliance
3. 8220013 - Recording medium drive apparatus and electronic apparatus