Average Co-Inventor Count = 3.64
ph-index = 3
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 (16 from 58,132 patents)
2. Fukoku Co., Ltd. (1 from 49 patents)
16 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. 7447136 - Optical pickup and optical disc apparatus
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. 6754164 - Disc recording/reproducing apparatus and disc container casing used therein
10. 6751181 - Recording and/or reproducing device for disks
11. 6724713 - Recording and/or reproducing device for disks
12. 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
13. 6654319 - Disc recording and/or reproducing apparatus having control plates and space forming features
14. 6646974 - Disc support plate and disc recording and/or reproducing device
15. 6493308 - Disc recording/reproducing apparatus and disc container casing used therein