Average Co-Inventor Count = 5.77
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. Sumitomo Chemical Company, Limited (5 from 6,893 patents)
5 patents:
1. 4230852 - Triazinyl-antraquinone dyes
2. 4148790 - Metallized triazine reactive dyes
3. 4038267 - Triazine reactive dyes
4. 4018756 - Thiazole and benzothiazole cationic dyes
5. 3974178 - Naphthostyril cationic dyes