Average Co-Inventor Count = 1.41
ph-index = 3
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 (11 from 212 patents)
2. Arnold and Richter Cine Technik Gmbh and Co. (2 from 9 patents)
3. Betriebs Kg and Arri Cine & Video Gerate Gesellschaft M.b.h. (1 from 1 patent)
13 patents:
1. 5285225 - Motion picture camera with complete or partial frame superimposition
2. 5244137 - Film transport device with sprocket teeth and film pressure skid
3. 5225860 - Film transport for a motion picture camera
4. 5187508 - Film transport device
5. 5175573 - Film transport device
6. 5121982 - Film transport device
7. 5106185 - Control and regulating device for film transport in a film projector
8. 4892404 - Film transport mechanism for a motion picture camera
9. 4826116 - Tipping device for a movie-camera-supporting cradle
10. 4816857 - Interchangeable lens for movie camera with a sound dampening system
11. 4533090 - Apparatus for tensioning band or web portions running off and onto two
12. 4515469 - Motion picture camera having an interchangeable lens
13. 4405070 - Film transport mechanism