Average Co-Inventor Count = 1.89
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. Alps Electric Co., Ltd. (13 from 4,048 patents)
2. Denki Kagaku Kogyo Kabushiki Kaisha (5 from 475 patents)
3. Sony Corporation (3 from 58,130 patents)
4. Japan Synthetic Rubber Co., Ltd. (1 from 377 patents)
18 patents:
1. 9114825 - Input device and control system of in-vehicle device
2. 8937479 - Position detection device
3. 6507483 - Keyboard device with palmrest stored therein
4. 6489576 - Transparent keyboard device
5. 6485209 - Keyboard device capable of changing inclination angle of keyboard main body
6. 6239391 - Keyboard assembly having highly waterproof key switches
7. 6164852 - Keyboard device having a resin-coated connector held in improved fixed
8. 6130388 - Keyboard device
9. 5874946 - Image control device and data input device to be used therefor
10. 5665946 - Combined-operation type switching apparatus including rotational and
11. 5621196 - Rotary operation switch and multidirection input apparatus
12. 5510810 - Display screen control apparatus
13. 5268350 - Binder resin for a heat transfer layer and heat transfer ink ribbon
14. 5238996 - Binder resin for a heat transfer layer and heat transfer ink ribbon
15. 4664900 - Electrically conductive compositions