Average Co-Inventor Count = 1.36
ph-index = 7
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 (26 from 5,452 patents)
26 patents:
1. D1088108 - Synthesizer
2. D853469 - Electronic keyboard
3. 10156973 - Score displaying method and storage medium
4. 10123122 - Electroacoustic transducer
5. 9940914 - Score displaying method and storage medium
6. D778345 - Electronic keyboard
7. D778343 - Electronic keyboard
8. D778346 - Electronic keyboard
9. D778344 - Electronic keyboard
10. 9275615 - Information processing terminal that displays information related to a function selected based on a positional relation, and system
11. D739049 - Sound control panel
12. D723190 - Sound control panel
13. 8476520 - Sound generation control apparatus
14. D598484 - Electronic keyboard instrument
15. D565641 - Piano