Average Co-Inventor Count = 1.85
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. Yamaha Corporation (6 from 5,452 patents)
2. Suzuki Motor Corporation (2 from 1,420 patents)
8 patents:
1. 8242347 - Pedal output conversion apparatus and method
2. 7829779 - Electronic music recording apparatus, method, and computer-readable medium containing a program therefor inhibiting recording based on copyright
3. 7674964 - Electronic musical instrument with velocity indicator
4. 6857676 - Vehicular cigarette lighter device
5. 6152490 - Rear seat belt device
6. 5010977 - Acoustic apparatus with plural resonators having different resonance
7. 4980920 - Negative impedance driving apparatus having temperature compensation
8. 4949384 - Driving apparatus