Average Co-Inventor Count = 3.72
ph-index = 4
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 (8 from 6,893 patents)
8 patents:
1. 5053494 - Fiber reactive polyazo dye having two vinylsulfone type reactive groups
2. 4933446 - Triphenodioxazine compounds
3. 4843149 - Fiber reactive yellow dye of acetoacetonilide having vinyl sulfone-type
4. 4841048 - Dioxazine compound having vinylsulfone type fiber reactive group
5. 4780107 - Fiber reactive dioxazine compound having four vinylsulfone type reactive
6. 4701524 - Pyridone monoazo compound having vinylsulfone type fiber-reactive group
7. 4698421 - Fiber-reactive disazo brown dye having vinylsulfone-type reactive group
8. 4618671 - 4-methyl-pyridone monoazo compound having both monochlorotriazinyl and