Average Co-Inventor Count = 5.46
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. Nippon Paint Compnay, Ltd. (2 from 827 patents)
2. Nippon Oil Company (1 from 690 patents)
2 patents:
1. 5270392 - Hydroxyl polyglycidyl ether or acrylic copolymer with anhydride copolymer
2. 4730010 - Quarternary ammonium group-containing resins for use in cathodic