Average Co-Inventor Count = 3.60
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. Research Development Corporation of Japan (3 from 255 patents)
2. Nkk Corporation (2 from 614 patents)
3. Other (1 from 832,680 patents)
3 patents:
1. 5869739 - Method for producing formic acid or its derivatives
2. 5763662 - Method for producing formic acid of its derivatives
3. 5639910 - Method for producing formic acid or its derivatives