Average Co-Inventor Count = 5.11
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 Corporation (3 from 58,129 patents)
2. New Oji Paper Co, Ltd. (3 from 57 patents)
3. New Ojl Paper Co., Ltd. (1 from 1 patent)
4 patents:
1. 5665676 - Printing sheet and manufacturing method therefor
2. 5663116 - Thermal transfer dye image-receiving sheet
3. 5534477 - Image receiving sheet for thermal transfer printing
4. 5470817 - Printing sheet and manufacturing method therefor