Average Co-Inventor Count = 5.00
ph-index = 2
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. Omron Corporation (2 from 4,116 patents)
2. Panasonic Electric Works Co., Ltd. (2 from 394 patents)
3. Idec Corporation (2 from 25 patents)
4. Sunx Limited (2 from 22 patents)
5. Yamatake Corporation (1 from 180 patents)
6. Yamataka Corporation (1 from 1 patent)
2 patents:
1. 7928610 - Two-hand switch device
2. 7888825 - Worker safety management system