Average Co-Inventor Count = 6.46
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 (1 from 832,680 patents)
2. Nippon Paint Compnay, Ltd. (1 from 827 patents)
2 patents:
1. 6458219 - Metal surface-treating method
2. 6391206 - Method for recovery of aqueous wash in phosphate chemical conversion and apparatus for metal surface treatment