Average Co-Inventor Count = 3.22
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. Sony Chemicals Corporation (6 from 186 patents)
2. Kibun Food Chemifa Co., Ltd. (2 from 5 patents)
3. Seiko Epson Corporation (1 from 33,418 patents)
8 patents:
1. 6818266 - Backprinting recording medium
2. 6808770 - Heat-resistant film and thermal transfer recording medium
3. 6649564 - Information recording sheet and method of manufacturing information recording sheet
4. 6632505 - Material to be printed by an ink-jet printer
5. 6514744 - External compositions for skin comprising sphingoglycolipid
6. 6348201 - External composition for skin comprising sphingoglycolipid
7. 6238797 - Recording sheets
8. 6068937 - Recording sheet and method of recording image using such recording sheet