Average Co-Inventor Count = 3.02
ph-index = 22
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. Matsushita Electric Industrial Co., Ltd. (72 from 27,375 patents)
2. Panasonic Corporation (62 from 16,452 patents)
3. Panasonic Intellectual Property Management Co., Ltd. (12 from 13,027 patents)
4. Samsung Electronics Co., Ltd. (4 from 129,274 patents)
5. Sony Corporation (2 from 58,114 patents)
6. Tdk Corporation (2 from 7,875 patents)
7. Hitachi Consumer Electronics Co., Ltd. (2 from 365 patents)
8. Matsushita Electric Industrial (1 from 33 patents)
9. Matushita Electric Industrial Co., Ltd. (1 from 28 patents)
149 patents:
1. 10536008 - Power storage system and power storage systems control method
2. 10424335 - Information reproduction method and information reproduction apparatus
3. 10395689 - Optical disc apparatus
4. 10158226 - Line switching system
5. 10121507 - Writing method of data, reading method of data, and optical disc drive
6. 10049697 - Write-once storage medium capable of recording data blocks on both land and groove of spiral track
7. 9966097 - Optical recording medium having condition management area for managing the recording condition of management information
8. 9825487 - Apparatus and electric power control method
9. 9792942 - Optical information medium having multiple layers with management information areas disposed at the same distance from center
10. 9767844 - Information recording method and information recording apparatus including switching of recording layer in shortage of free space
11. 9680334 - Distribution board and battery pack
12. 9613649 - Changer apparatus for data library apparatus capable of moving recording media between storing position, and recorder and player apparatus
13. 8811140 - Recordable optical disc, recording device, and recording method
14. 8732395 - Write-once information recording medium, information recording method, information recording device, information reproduction method, information reproduction device and method for manufacturing information recording medium
15. 8406107 - Write-once information recording medium, information recording method, information recording apparatus, information reproducing method, information reproducing apparatus and manufacturing method of the information recording medium