Average Co-Inventor Count = 7.00
ph-index = 3
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 Kayaku Kabushiki Kaisha (2 from 775 patents)
2. Nippon Kayaku Co., Ltd (1 from 27 patents)
3 patents:
1. 6028220 - Producing acrolein and acrylic acid using a supported dual activity
2. 5959143 - Catalysts and process for the preparation thereof
3. 5929275 - Catalyst and process for producing unsaturated aldehyde and unsaturated