Average Co-Inventor Count = 1.50
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. Brother Kogyo Kabushiki-kaisha (3 from 17,503 patents)
3 patents:
1. 5839840 - Tape printing apparatus
2. 4933708 - Image recording apparatus using microcapsules to form a color image
3. 4740797 - Thermo-magnetic recording device