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. Other (2 from 832,891 patents)
2. Hisaka Works, Ltd. (2 from 46 patents)
2 patents:
1. 5343913 - Wood treating method and apparatus
2. 5247975 - Wood treating method and apparatus