Average Co-Inventor Count = 2.45
ph-index = 15
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. Nikon Corporation (31 from 8,898 patents)
2. Nippon Kogaku K.k. (7 from 849 patents)
38 patents:
1. 8933878 - Display apparatus and display method
2. 8791989 - Image processing apparatus, image processing method, recording method, and recording medium
3. 8675048 - Image processing apparatus, image processing method, recording method, and recording medium
4. 7868997 - Projection optical system inspecting method and inspection apparatus, and a projection optical system manufacturing method
5. 7843550 - Projection optical system inspecting method and inspection apparatus, and a projection optical system manufacturing method
6. 6963408 - Method and apparatus for point diffraction interferometry
7. 6894763 - Exposure apparatus and methods utilizing plural mask and object stages movable in opposite directions, and methods of producing devices using the same
8. 6522716 - Multilayer-film reflective mirrors, extreme UV microlithography apparatus comprising same, and microelectronic-device manufacturing methods utilizing same
9. 6362926 - Projection exposure apparatus and method
10. 6195213 - Projection exposure apparatus and method
11. 6118596 - Catadioptric reduction projection optical system and method
12. 6108140 - Catadioptric reduction projection optical system and method
13. 5898501 - Apparatus and methods for measuring wavefront aberrations of a
14. 5844728 - Catadioptric reduction projection optical system
15. 5793473 - Projection optical apparatus for projecting a mask pattern onto the