Average Co-Inventor Count = 4.58
ph-index = 5
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 (5 from 17,580 patents)
2. Xing Inc. (5 from 26 patents)
3. Brother Kogyo Kabushiki Kaisha and Xing, Inc. (1 from 3 patents)
6 patents:
1. 5774672 - Data transmission system for distributing video and music data
2. 5725383 - Data transmission system
3. 5612681 - Data transmission system having dedicated clock channel
4. 5611693 - Image karaoke device
5. 5588842 - Karaoke control system for a plurality of karaoke devices
6. 5548281 - Data transmission system