Average Co-Inventor Count = 1.58
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. Fuji Photo Film Company, Limited (5 from 16,458 patents)
2. Kabushiki Kaisha Toshiba (1 from 52,752 patents)
3. Fujinon Corporation (1 from 695 patents)
4. Toshiba Audio-video Engineering Co. (1 from 4 patents)
5 patents:
1. 7180678 - Lens unit and image taking apparatus
2. 4735499 - Film carrier support mechanism for film projector
3. 4716474 - Camera-combined magnetic recording-reproducing system
4. 4654729 - Cassette cover opening mechanism
5. 4571042 - Disk film projector