Average Co-Inventor Count = 3.23
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 (6 from 17,580 patents)
2. Brother Kogyo Kabsuhiki Kaisha (1 from 3 patents)
7 patents:
1. 7597493 - Tape printing device and program
2. 7168869 - Tape printer, tape print storage medium, and tape cassette
3. 7052196 - Width and lengthwise direction tape printing control device and program
4. 4701579 - Data entry keyboard
5. 4533267 - Ribbon driving mechanism for typewriter
6. 4407592 - Power-operated typewriter
7. 4401395 - Typewriter