Average Co-Inventor Count = 2.40
ph-index = 6
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 (6 from 17,580 patents)
6 patents:
1. 5685654 - Printing tape cassette with separated recording medium and ink ribbon
2. 5419648 - Tape feed mechanism having ribbon inked surface directed toward ribbon
3. 5277503 - Tape cassette built into a tape writer
4. 5188469 - Tape feed cassette with tape cutter and guide
5. 4966476 - Tape printer
6. 4927278 - Tape cassette and tape printer for use therewith