Average Co-Inventor Count = 1.74
ph-index = 4
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. Other (4 from 832,891 patents)
2. Kla Tencor Corporation (1 from 1,787 patents)
3. Optical Research Associates (1 from 25 patents)
4. Speedring Systems, Inc. (1 from 2 patents)
8 patents:
1. 8842272 - Apparatus for EUV imaging and methods of using same
2. 8570356 - Optical system for direct imaging of light markable material
3. 6213044 - Water craft with adjustable fin
4. D387238 - Solar cooking oven
5. 5610751 - Optical scanning device having a spherical exit window
6. 5309276 - Catoptric optical system including concave and convex reflectors
7. 4497470 - Powered cart mounted cable puller
8. 4297586 - Photo-electric digital circuit for monitoring strip loop position