Average Co-Inventor Count = 4.44
ph-index = 2
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. Nippon Kayaku Kabushiki Kaisha (1 from 775 patents)
2. Dainippon Ink and Chemicals, Incorporated (1 from 630 patents)
3. Nippon Polytech Corp. (1 from 3 patents)
4. Asahi Chemical Research Laboratory, Ltd. (1 from 1 patent)
2 patents:
1. 5702820 - Photo-imaging resist ink and cured product thereof
2. 4888269 - Resin composition for solder resist ink