Average Co-Inventor Count = 1.80
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. Funai Electric Company Ltd. (3 from 2,413 patents)
3 patents:
1. 6913220 - Braking device for magnetic tape apparatus
2. 6788491 - Tape loading apparatus and tape recorder
3. 5335877 - Device for exchanging a tape drive mode