Average Co-Inventor Count = 3.75
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. Toho Chemical Engineering and Construction Co., Ltd. (2 from 2 patents)
2. Nichias Corporation (1 from 254 patents)
2 patents:
1. 5908490 - Organic solvent recovering system and organic solvent recovering method
2. 5701762 - Apparatus for recovering high-boiling point solvents