Average Co-Inventor Count = 6.00
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. Hamamatsu-Photonics K.k. (2 from 2,953 patents)
2. Techno Ryowa Ltd. (2 from 3 patents)
3. Harada Corporation (2 from 2 patents)
2 patents:
1. 7397647 - Ionized gas current emission type dust-free ionizer
2. 7126807 - Ionized air flow discharge type non-dusting ionizer