Average Co-Inventor Count = 3.75
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. Brother Kogyo Kabushiki-Kaisha (2 from 17,637 patents)
2 patents:
1. 5447378 - Tape printing apparatus
2. 5374131 - Printer capable of spacing characters within frame