Average Co-Inventor Count = 3.00
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. Maxell, Ltd. (6 from 881 patents)
2. Hitachi Maxell, Limited (2 from 1,112 patents)
3. Hitachi, Ltd. (1 from 42,485 patents)
9 patents:
1. 12219202 - Multimedia player displaying operation panel depending on contents
2. 11974007 - Multimedia player displaying operation panel depending on contents
3. 11974008 - Multimedia player displaying operation panel depending on contents
4. 11924502 - Multimedia player displaying operation panel depending on contents
5. 11812091 - Multimedia player displaying operation panel depending on contents
6. 11470379 - Multimedia player displaying operation panel depending on contents
7. 9743129 - Multimedia player displaying operation panel depending on contents
8. 9489985 - Multimedia player displaying operation panel depending on contents
9. 8170394 - Multimedia player displaying operation panel depending on contents