Average Co-Inventor Count = 2.73
ph-index = 5
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. Eastman Chemical Company (3 from 2,001 patents)
2. Other (1 from 832,680 patents)
3. Isotag Technology, Inc. (1 from 6 patents)
5 patents:
1. 6174400 - Near infrared fluorescent security thermal transfer printing and marking ribbons
2. 5990197 - Organic solvent based ink for invisible marking/identification
3. 5665151 - Method for making article with and detecting water based inks containing
4. 5614008 - Water based inks containing near infrared fluorophores
5. 5344872 - Ink compositions containing certain methacrylates