Average Co-Inventor Count = 2.40
ph-index = 2
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. Arnold&richter Cine Technik Gmbh&co. Betriebs Kg (3 from 212 patents)
2. Arnold and Richter Cine Technik Gmbh and Co. (1 from 9 patents)
3. Betriebs Kg and Arri Cine & Video Gerate Gesellschaft M.b.h. (1 from 1 patent)
4. Arnold & Richter Cline Technik Gmbh & Co. (1 from 1 patent)
5 patents:
1. 6457827 - Film guide for a movie camera
2. 5285225 - Motion picture camera with complete or partial frame superimposition
3. 5244137 - Film transport device with sprocket teeth and film pressure skid
4. 5106185 - Control and regulating device for film transport in a film projector
5. D324061 - Film and video projector