Average Co-Inventor Count = 2.58
ph-index = 6
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 (33 from 58,131 patents)
2. Sony Corportion (1 from 21 patents)
34 patents:
1. 8169644 - Thermal dye sublimation printer and ink ribbon cassette therefor
2. 7693353 - Image processing apparatus, method of the same, and program for the same
3. 7651287 - Printer device having ink ribbon cartridge with protection plate for thermal head
4. 7382324 - Recording/playback apparatus with electric wave transmission
5. 7324053 - Recording/playback apparatus with electric wave transmission
6. 7199976 - Reel lock mechanism of tape cassette and tape cassette
7. 7148853 - Recording/playback apparatus
8. 6950067 - Recording/playback apparatus with electric wave transmission
9. 6937437 - Reel lock mechanism of tape cassette, and tape cassette
10. 6724573 - Tape cassette with front lid held unlocked by lid lock pin caught in lid recess
11. 6697222 - Tape cassette with wide extraction portions and tape drive apparatus
12. 6683752 - Tape cassette
13. 6666397 - Tape cassette and cassette holder
14. 6612513 - Tape cassette and cassette holder
15. 6556378 - Tape cassette having lid and slider overlapping portions