Average Co-Inventor Count = 1.81
ph-index = 7
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. Seiko Epson Corporation (22 from 33,404 patents)
22 patents:
1. 11666811 - Swing measuring attachment, and swing measuring apparatus
2. 11143877 - Head-mounted image display device and face mask unit
3. 11100887 - Relay apparatus and display system
4. 10281963 - Image display device and head mounted image display device
5. 10073270 - Image display apparatus
6. 10048503 - Head-mounted type image display device
7. 9817236 - Controller and image display system having multiple attachment members
8. 9207456 - Virtual image display device
9. 9052506 - Virtual image display device and manufacturing method of virtual image display device
10. 8994612 - Virtual image display system
11. D723520 - Controller for head-mounted display
12. D716365 - Head mounted display
13. 8792175 - Virtual image display system
14. 8743463 - Virtual image display
15. D704704 - Head mounted display