Average Co-Inventor Count = 3.00
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. Hatsuta Seisakusho Co., Ltd. (2 from 3 patents)
2 patents:
1. 7174965 - Fire extinguishing method by gas and extinguishing device
2. 6988558 - Fire extinguishing method by gas and extinguishing device