Average Co-Inventor Count = 10.29
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. Mitsui Toatsu Chemicals, Incorporated (3 from 1,379 patents)
2. Toyota Jidosha Kogyo Kabushiki Kaisha (1 from 1,838 patents)
3. Kabushiki Kaisha Toyota Chuo Kenkyusho (1 from 1,140 patents)
3 patents:
1. 5545702 - Diguanamines and preparation process, derivatives and use thereof
2. 5480947 - Diguanamines and preparation process, derivatives and use thereof
3. 4319016 - Ultraviolet-absorbing amino compound and method of making