Average Co-Inventor Count = 1.75
ph-index = 37
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. Fujifilm Corporation (241 from 15,862 patents)
2. Dowa Electronics Materials Co., Ltd. (1 from 313 patents)
241 patents:
1. 12431163 - Magnetic tape, magnetic tape cartridge, and magnetic tape apparatus
2. 12424243 - Magnetic tape cartridge and magnetic recording and reproducing device
3. 12406693 - Magnetic tape, magnetic tape cartridge, and magnetic tape apparatus
4. 12406692 - Magnetic tape, magnetic tape cartridge, and magnetic tape apparatus
5. 12400681 - Magnetic tape, magnetic tape cartridge, and magnetic tape apparatus
6. 12380924 - Magnetic tape with characterized AlFeSil abrasion value, magnetic tape cartridge, and magnetic tape apparatus
7. 12374368 - Magnetic tape apparatus, magnetic tape, and magnetic tape cartridge
8. 12374359 - Magnetic tape with characterized surface recesses, magnetic tape cartridge, and magnetic tape apparatus
9. 12374360 - Magnetic tape, magnetic tape cartridge, and magnetic tape apparatus
10. 12367903 - Magnetic tape apparatus
11. 12367905 - Magnetic tape, magnetic tape cartridge, and magnetic tape apparatus
12. 12334125 - Magnetic tape having characterized magnetic layer, magnetic tape cartridge, and magnetic tape device
13. 12322425 - Magnetic tape having characterized magnetic layer, magnetic tape cartridge, and magnetic tape device
14. 12315540 - Magnetic tape having characterized magnetic layer, magnetic tape cartridge, and magnetic tape apparatus
15. 12308054 - Magnetic tape having characterized magnetic layer surface, magnetic tape cartridge, and magnetic tape device