Average Co-Inventor Count = 3.27
ph-index = 1
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. Hitachi, Ltd. (3 from 42,494 patents)
2. Hitachi Plant Services Co., Ltd. (5 patents)
3 patents:
1. 10167495 - Microbe quantifying apparatus and microbe quantifying method
2. 9988663 - Method for collecting biological material and device for collecting biological material
3. D695397 - Cartridge casing for sample collector