Average Co-Inventor Count = 4.29
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. Sony Corporation (5 from 58,129 patents)
2. Sony Mobile Communications Inc. (1 from 729 patents)
3. Sony Ericsson Mobile Communications Japan, Inc. (1 from 150 patents)
5 patents:
1. 8567685 - Short-range wireless communication apparatus and cellular phone terminal
2. 8341217 - Portable recording and/or reproducing device, reproducing method, and recording/reproducing method
3. 8010596 - Portable record and/or reproducing device, reproducing method, and recording/reproducing method
4. 7970815 - Portable record and/or reproduce device, method of reproducing, and method of recording and reproducing
5. 7762469 - Short-range wireless communication apparatus and cellular phone terminal