Average Co-Inventor Count = 3.60
ph-index = 6
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. Tokyo Electron Limited (4 from 10,346 patents)
2. Tokyo Electron Kabushiki Kaisha (1 from 80 patents)
3. Tel-Varian Limited (1 from 6 patents)
4. Varian Japan K.k.t (1 from 1 patent)
6 patents:
1. 6702865 - Alignment processing mechanism and semiconductor processing device using it
2. 6395094 - Process system with transfer unit for object to be processed
3. 6234107 - Auxiliary vacuum chamber and vacuum processing unit using same
4. 5913978 - Apparatus and method for regulating pressure in two chambers
5. 5474410 - Multi-chamber system provided with carrier units
6. 5332442 - Surface processing apparatus