Average Co-Inventor Count = 5.36
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. Mitsubishi Pencil Kabushiki Kaisha (2 from 196 patents)
2. Mitsubishi Pencil Company, Limited (1 from 383 patents)
3 patents:
1. 9339452 - High internal water phase water-in-oil emulsified cosmetic and cosmetic liquid applicator
2. 6786958 - Ink for oil-based ball pen
3. 5611279 - Process of producing a printing plate for a stamp