Average Co-Inventor Count = 3.23
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. Other (3 from 832,843 patents)
2. Fujitsu Corporation (3 from 39,238 patents)
3. Nisshin Engineering Co., Ltd. (1 from 11 patents)
7 patents:
1. 6790281 - Finely-divided powder spray apparatus
2. 6616761 - Finely-divided powder spray apparatus
3. 6501038 - Key switch and keyboard
4. 6257782 - Key switch with sliding mechanism and keyboard
5. 6103979 - Keyboard having plurality of keys therein, each key establishing
6. 6094191 - Keyboard and an information processing apparatus
7. 5715932 - Key switch