Average Co-Inventor Count = 2.25
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. Casio Computer Co., Ltd. (6 from 5,219 patents)
6 patents:
1. 11551647 - Keyboard instrument
2. 11532290 - Method for assembling keyboard instrument
3. 11335308 - Keyboard instrument and manufacturing method therefor
4. 11195499 - Keyboard instrument and manufacturing method therefor
5. 10490175 - Audio device and electronic instrument
6. 7287850 - Portable electronic apparatus