Average Co-Inventor Count = 3.13
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. Mitsubishi Paper Mills Limited (6 from 622 patents)
2. Nippon Hoso' Kyokai (1 from 374 patents)
6 patents:
1. 5356858 - Receiving sheet for sublimation type heat transfer recording
2. 4756950 - Gradation recording heat-transfer sheet
3. 4387150 - Fixable thermosensitive recording sheet
4. 4330785 - Thermal recording method
5. 4134770 - Gelatin-containing photographic layer incorporated with hardener
6. 4035188 - N-alkoxyethoxyethylphenylenediamine color developing agents