Average Co-Inventor Count = 4.85
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 (14 from 58,130 patents)
2. Sony Group Corporation (3 from 3,458 patents)
17 patents:
1. 12347470 - Servo pattern recording method, servo pattern recording apparatus, method of producing magnetic tape, magnetic tape, and tape cartridge
2. 12020730 - Cartridge including tape-shaped magnetic recording medium
3. 11790945 - Cartridge, memory, data recording apparatus, and data reproduction apparatus including information for adjusting magnetic tape width
4. 11715492 - Cartridge including cartridge case housing magnetic tape and memory storing information for adjusting tape width, data recording apparatus, and data reproduction apparatus
5. 11664054 - Cartridge including tape-shaped magnetic recording medium
6. 11562197 - Non-contact communication medium and recording medium cartridge
7. 11551715 - Cartridge memory and control method for the same, cartridge, and recording and reproducing system
8. 11423946 - Cartridge including tape-shaped magnetic recording medium
9. 11393506 - Cartridge memory
10. 11373681 - Cartridge memory used for tape cartridge, tape cartridge, data management system, and cartridge memory used for recording medium cartridge
11. 11348615 - Cartridge memory for magnetic tape cartridge, control method therefor, cartridge, and recording/reproduction system
12. 11328742 - Cartridge memory having a plurality of memory banks , tape cartridge, and recording and reproducing system
13. 11145329 - Recording medium cartridge and drive device
14. 11107505 - Cartridge
15. 10984819 - Magnetic tape recording device including cartridge memory having a plurality of memory banks