Average Co-Inventor Count = 3.00
ph-index = 1
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. Kabushiki Kaisha Toshiba (1 from 52,752 patents)
2. Fuji Photo Film Company, Limited (1 from 16,458 patents)
3. Toshiba Audio-video Engineering Co. (1 from 4 patents)
1 patent:
1. 4654729 - Cassette cover opening mechanism