Average Co-Inventor Count = 1.71
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. Hitachi, Ltd. (11 from 42,485 patents)
2. Hitachi Maxell, Limited (2 from 1,112 patents)
3. Hitachi Consumer Electronics Co., Ltd. (1 from 365 patents)
14 patents:
1. 9530455 - Video recording method and video recording device
2. 9196311 - Video recording method and video recording device
3. 8724962 - Video recording method and video recording device
4. 8233767 - Information recording apparatus
5. 8223599 - Information recording/reproduction apparatus, information recording method and information recording medium
6. 8224149 - Record/reproduction apparatus and record mode setting method for the same
7. 8184957 - Video recording method and video recording device
8. 8139927 - Information recording apparatus and information recording method
9. 8094529 - Apparatus for recording of information
10. 7852725 - Apparatus for recording of information
11. 7453779 - Apparatus for capturing and recording video information
12. 7391964 - Information recording apparatus and information recording method
13. 7136337 - Apparatus for recording of information
14. 6894960 - Information recording apparatus for modifying the finishing process based on the power supply