Average Co-Inventor Count = 2.41
ph-index = 6
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 (23 from 58,129 patents)
2. Fukoku Co., Ltd. (2 from 49 patents)
23 patents:
1. RE42763 - Recording and/or reproducing device for disks
2. RE42482 - Disc support plate, disc changer mechanism, and disc recording and/or reproducing device
3. RE42041 - Recording and/or reproducing device for disks
4. 7428743 - In-vehicle player
5. 7308695 - Disk holding member, disk tray, recording and/or reproducing device, and disk changer
6. 6934959 - Disk recording and/or reproducing device
7. 6785897 - Disc support plate, disc changer mechanism, and disc recording and/or reproducing device
8. 6760283 - Disk recording and/or reproducing device with starting and ejection control means
9. 6751181 - Recording and/or reproducing device for disks
10. 6724713 - Recording and/or reproducing device for disks
11. 6683828 - Disc holding device and disc recording and/or reproducing device including disc mounting mechanisms and bias mechanisms for biasing a disc towards the mounting mechanisms
12. 6654319 - Disc recording and/or reproducing apparatus having control plates and space forming features
13. 6646974 - Disc support plate and disc recording and/or reproducing device
14. 5311497 - Pickup feeding apparatus for a double-sided reproducing disc player
15. 4773057 - Apparatus for reproducing selectively loaded discs of different diameters