Average Co-Inventor Count = 3.37
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. Alps Electric Co., Ltd. (8 from 4,048 patents)
2. Brinks Hofer Gilson & Lione (1 from 2 patents)
9 patents:
1. 8199134 - Input device
2. 7755603 - Coordinate input device
3. 6791532 - Input device and detection device using resistance type strain sensor element
4. 6556186 - Keyboard input device with pointing device for controlling cursor position on graphic display and the like
5. 6087604 - Thin keyboard
6. 6010406 - Operation device for game machine
7. 5929834 - Liquid crystal display device with tablet
8. 5790106 - Coordinate input apparatus with pen and finger input detection
9. 5298916 - Control ball assembly for a coordinate input device