Average Co-Inventor Count = 4.75
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. Hitachi Maxell, Limited (4 from 1,112 patents)
4 patents:
1. 5246766 - Thermal recording medium
2. 5008152 - Ink composition for thermal transfer printing and film for thermal
3. 4247606 - Silver oxide cell and its manufacture
4. 4101719 - Silver(II) oxide cell and its manufacture