Average Co-Inventor Count = 4.40
ph-index = 12
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 (22 from 58,129 patents)
2. Fujifilm Corporation (13 from 16,042 patents)
3. Panasonic Corporation (3 from 16,453 patents)
4. Waseda University (3 from 158 patents)
5. Yokogawa Electric Corporation (2 from 1,325 patents)
6. Topcon Corporation (1 from 524 patents)
41 patents:
1. 11514940 - Magnetic recording medium and magnetic recording and reproducing device
2. 11508408 - Magnetic tape having characterized magnetic layer, magnetic tape cartridge, and magnetic tape apparatus
3. 11495247 - Recording device, reading device, recording method, recording program, reading method, reading program, and magnetic tape
4. 11373674 - Recording device, reading device, recording method, recording program, reading method, reading program, and magnetic tape
5. 11302357 - Magnetic recording medium having characterized back coat and magnetic recording and reproducing apparatus
6. 11270728 - Magnetic recording medium having characterized back coating layer and magnetic recording and reproducing apparatus
7. 11270725 - Magnetic recording medium having characterized magnetic layer, and magnetic recording and reproducing apparatus
8. 11047989 - GNSS device
9. 10871597 - Polarizing plate, image display device, and polarizing plate protective film
10. 10457792 - Polarizing plate protective film, polarizing plate, and display device
11. 10338277 - Polarizing plate protective film, polarizing plate, and display
12. 10031264 - Polarizing plate and display device
13. 9817156 - Polarizing plate protective film, polarizing plate and display device
14. 9678249 - Polarizing plate protective film, polarizing plate and display device
15. 9236576 - Photoelectric element, process for producing photoelectric element, and photosensitizer