Average Co-Inventor Count = 3.04
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. Fujitsu Takamisawa Component Limited (7 from 107 patents)
2. Mitutoyo Corporation (5 from 1,622 patents)
3. Fujitsu Component Limited (5 from 805 patents)
4. Takamisawa Electric Co., Ltd (5 from 19 patents)
5. Texas Instruments Corporation (1 from 29,263 patents)
6. Kabushiki Kaisha Topcon (1 from 1,033 patents)
24 patents:
1. D1034254 - Digital display for height gauge
2. D1026692 - Operation device with display
3. D1013539 - Height gauge
4. D1012740 - Height gauge
5. D840847 - Machine for measuring surface shape and surface roughness
6. 8279028 - Electromagnetic relay
7. D555016 - Apparatus for measuring refractive power of lens
8. 7283026 - Electromagnetic relay
9. 7106154 - Electromagnetic relay
10. 6972651 - Switch operable under a predetermined condition, external magnetic field generating unit, combination of such a switch and an external magnetic field generating unit and electronic apparatus incorporating the same
11. 6903638 - Complex electromagnetic relay
12. 6853275 - Electromagnetic relay
13. 6831533 - Electromagnetic relay
14. 6756868 - Electromagnetic relay
15. 6731190 - Electromagnetic relay