Average Co-Inventor Count = 2.40
ph-index = 4
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. Alps Electric Co., Ltd. (6 from 4,048 patents)
6 patents:
1. 6600246 - Vibration generating device having a weight caulked to a shaft
2. 6589118 - Analog input device to input multi directional signals
3. 6567074 - Operation apparatus using operating unit having plural push-buttons formed integrally therewith
4. 6420956 - Detection device in which output varies with amount by which elastically deformable contact element is pressed
5. 6352477 - Signal input device applicable to controllers for game machines
6. 6288459 - Vibration generating device, and method for mounting weight to the same