Average Co-Inventor Count = 1.79
ph-index = 13
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. (23 from 4,048 patents)
2. Alps Electronics Co., Ltd. (1 from 6 patents)
24 patents:
1. 8599141 - Input device having coordinate-inputting unit and switching unit
2. RE41443 - Input device which allows button input operation and coordinate input operation to be performed in the same operation plane
3. 7643013 - Input device
4. 7324021 - Input device
5. 7321361 - Coordinate input device having non-flat operation surface and electronic apparatus
6. 7312790 - Input apparatus for performing input operation corresponding to indication marks and coordinate input operation on the same operational plane
7. 7310083 - Coordinate input device
8. 7242323 - Electronic device having touch sensor
9. 7199789 - Input apparatus having electrostatic sensor
10. 7166813 - Multistep switch having capacitive type sensor
11. 6956559 - Character input apparatus
12. 6955598 - Designated position detector and game controller utilizing the same
13. 6704005 - Input device which allows button input operation and coordinate input operation to be performed in the same operation plane
14. 6589118 - Analog input device to input multi directional signals
15. 6585595 - Vibration generating device and input device for game apparatus using the same