Average Co-Inventor Count = 7.66
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. Toyama Chemical Co., Ltd. (3 from 159 patents)
3 patents:
1. 6335447 - Quinolonecarboxylic acid derivatives or salts thereof
2. 5578627 - 1,2-benzoisoxazole derivative or its salt and brain-protecting agent
3. 4948796 - Piperazine derivative or its salt, process for producing the same and