Average Co-Inventor Count = 1.68
ph-index = 10
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. Samsung Electronics Co., Ltd. (10 from 131,611 patents)
2. Kabushiki Kaisha Topcon (6 from 1,033 patents)
3. Topcon Corporation (6 from 525 patents)
4. S-printing Solution Co., Ltd. (1 from 263 patents)
5. Hewlett-packard Development Company, L.P. (27,412 patents)
29 patents:
1. D1088236 - Eye testing apparatus and equipment
2. D1079950 - Eye testing apparatus
3. D1073496 - Surveying instrument
4. D1070616 - Surveying instrument
5. D1069123 - Eye testing apparatus and equipment
6. D1064282 - Eye testing apparatus and equipment
7. D1057170 - Eye testing apparatus and equipment
8. D1051965 - Laser marking instrument for construction
9. D962797 - Surveying instrument
10. D922888 - Laser measuring device
11. D913825 - Remote control for laser measuring devices
12. 10357089 - Carrying case
13. D834970 - Surveying instrument
14. 9888146 - Image forming apparatus and method for controlling the same
15. D780450 - Carrying case