Average Co-Inventor Count = 3.43
ph-index = 5
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 (12 from 58,129 patents)
12 patents:
1. 6721118 - Recording medium library device and control method thereof
2. 6690530 - Cassette auto changer system
3. 6598117 - Recording medium library device and control method thereof
4. 6577325 - Recording medium library apparatus and method for operating the same
5. 6553456 - Library device and logical number allocating method therefor
6. 6539459 - Library device, operating mode setting method therefor
7. 6507889 - Recording medium library device and control method thereof
8. 6433947 - Cassette auto changer system
9. 616687 - Cassette auto changer system including tape signal reading means and
10. 6166877 - Cassette auto changer system including tape signal reading means and
11. 5581365 - Remote control system for controlling tape playback apparatus on the
12. 5528746 - Apparatus for controlling cassette auto changer